8062 vortec heads. I've got about 15-20 hours into them.
8062 vortec heads Let’s start with these heads require guided rockers that have two small ridges that straddle the valve stem tip. 02 and 1. 7 VORTEC Cylinder Head CAST# 906/062 Suburban Escalade 1996-2002 BARE (NO CORE RETURN) 1 offer from $37999 $ 379 99. or buy new heads complete for $400 each and bolt on . 7 injectors long tube headers 3 wire 02,,,,can give specs of everything if theres some one that wants to try to make a chip I stock ecm I think 8062 I use tuner pro. We'd like a usable rpm range of 1000 - 4500. Torrecarian says they flow even better than the OEM 243/799 GM heads. Not as good as the good camel back, fuelie heads at the same prep level. 1:1, 64 cc Vortec heads. 50 valves but actually performed a little better at lower engine speeds, they had better mixture velocity. For SB Chevy SBC 350 Vortec 170cc 64cc Straight Cast Iron Bare Cylinder Head. 7 CR, comp cam xs274solid, vortec cylinder heads, edelbrock vortec performer rpm, 750 annular carb, HVH 2" spacer, msd pro billet w/6A box, turbo 350 trans, 3500 stall, 4:10 The castings of cylinder heads are similar to that of 706 heads. Built for durability and performance. The old (good) ones out of St. The edelbrock air gap RPM and non airgap RPM vortec is a bit better. No core required. Shop products from small business brands sold in Amazon’s store. Vortec style intake manifold bolt pattern. 7 CR, comp cam xs274solid, vortec cylinder heads, edelbrock vortec performer rpm, 750 annular carb, HVH 2" spacer, msd pro billet w/6A box, turbo 350 Shop for the best Cylinder Head for your 1998 Chevrolet K1500 Pickup 4WD, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. Don't know what the number is but do know it was the better of the 2 numbers that were available. 60. They're factory by the way. They can also improve the horsepower and torque of LS engines like the common 5. Raised intake roof for enhanced air flow. Seeing that the normal Voretc 350 L31 heads dont accept over 0. 7 Liter Vortec 4 Bolt Mains Complete with cast heads, center bolt valve covers, roller camshaft, oil Would like to hear recommendations for intake manifold gaskets to fit GM "062" Vortec heads and Weiand 8121 Street Warrior manifold. 0L 181 CID Bore 101. $515. I'm considering the heads that Scoggin. CHEVY ASTRO VAN 4. Which bowtie heads do these outflow? This chart shows a flow comparison of an older, 76-cc chamber “441” head versus the stock Vortec 806 head for both intake and exhaust. Please consider creating a new thread. e. Just wondering if I installed on my 1980 with an L-82 engine would I The Vortec chambers are much better than the sportsman II's. Both sets of Vortec's I used in 2019 on my "Vortec head test" that year had low low hours and miles on those 2 sets of heads, then after I looked at both sets the exhaust seat looked horrible and I C3 Tech/Performance - "External coolant bypass line" for Vortec heads? - I have a GM Performance 350 HO in my '80. It is compatible with the following models: CHEVROLET 1500 PICKUP 96-99, CHEVROLET 2500 PICKUP 96-99, CHEVROLET VAN 96-2002, ESCALADE 99-00, GMC 1500 PICKUP 96-99, GMC 2500 PICKUP 96-99, GMC VAN 96-2002, SUBURBAN 1500 96-99, Body, Chassis and Mechanical. 94-inch valves. Fast shipping available. 7 V8 350 Cylinder Heads (906/062 Vortec, 1996-2002) are engineered to deliver superior performance and Here’s what happened when I ran a Competition Cams Comp Magnum 270H (. 375 restrictor plate. Real Vortec heads were Berserk wrote: ↑ Thu Dec 30, 2021 2:17 pm How do the peanut port heads flow compared to l29 voretec heads? I would like to raise the compression on an old 454 big block, but I have heard the vortecs don't flow any better than the peanuts. If this car is not going to need to be a mild daily driver, I would recommed using the ex284h cam in a 383 with the vortecs. 100cc chamber, great compression ratio and good for torque. 7 Angle milling a Vortec head may cause problems with the bolts that attach the intake to the head. 95. They are truck heads and not being used for a performance application. the water goes from the heads then through the block) so those aren't what you want to use. Meaning, they have a cast "ski-jump" in the intake ports that introduces a vortex (swirl) into the combustion chambers to enhance combustion chamber filling and low speed torque but at the same time the ski jump restricts high RPM flow There was a write up on these heads years ago in Chevy High Performance (the Chevy Thunder advertising insert) but the flow chart was terribly screwed up. With the larger AFR heads, the torque peak was raised to 4,200 rpm, where 420 lb-ft were generated, while the new 418hp peak occurred 400 rpm higher at 5,800 rpm. My 99 K3500 has Vortec heads, intake, spider, exhaust manifolds and serpentine belt related, on a TBI era short block. Double humps DO NOT compare. This is the first set of heads I've done. And production exh manifold. 3 V6 262 Vortec cylinder heads (Casting #140 & 772), designed for models from 1996 to 2001. The LS heads feature 210cc intake runner that flows 262cfm, while the 82cc exhaust runner flows 207cfm. Iron 441 head tested on a 4. 7 vortec heads, and they , No. Fitting the RPM Air Gap to these RHS heads was something I never investigated fully in the past. Holley 4412 carb and 1. 6:1 and I have yet to hear it ping on regular grade gas. your style intake have angled bolts. 060x3. than the street engine. Use the Vortec heads, or get an aftermarket head. 120" thick and when having a look with an inspection camera (finally) I can see an offset at the top of the port. The Vortec heads offer great intake port flow despite the rather small 1. 1970 El Camino 383 Stroker, 10. Yes the 1996-02 L31 350 vortec heads will bolt to ANY gen 1 350 engine. Angle or Straight plug design. . the intake Long Block Engine Version: Vortec; Crankshaft Casting Number: 526, 535; Right Head Casting Number: 9906, 8062; Left Head Casting Number: 9906, 8062; Block Casting Number: 3880; Includes: Timing Cover, Oil Pan And Valve Cover; 4 Bolt Main; SAE Thread Block; Roller Camshaft; 1 Piece Rear Main Seal; Valve Cover Mounts Through Center The L31 Vortec heads have larger ports than the older Gen I cast steel heads, so they outflow the older heads. Any guess how much cam one could use if the heads were milled . 510/. Buy It Now. 94 valve vs a 1. valve combo, and 61cc combustion chamber volume. Rated 5 out of 5 by JMCC from Buying new GM cylinder heads I brought two new cylinder heads from JEGS to fit onto my 1999 Chevy Suburban which has the 350 cubic inch Vortex engine. 475" lift cams stock, have pressed in rocker arm studs and that the Vortec large and smallport heads accept up to 0. ride N/A. 300-inch Have 2 sets of Vortec's to test soon, Mild ported 062's that went 250cfm on the bench and a mild set of 206cc Bowtie Vortec heads. These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing (great for circle track applications) engines. I can't find it right now but I had an article with flow bench numbers that showed they flowed about the same as the old 461/462's with 1. The benefits of the L98 heads over the Vortecs will be the reduced weight, a bump in compression ratio (that may or may not be a benefit) and be much less likely The Vortec (L29) heads have a bigass ski-jump in the port, just like the crappy TBI small-block "swirl port" heads. The Vortec heads are a little bit lighter than the older heads and have a kidney or heart shaped combustion chamber that is more efficient than the older Gen I open or closed combustion chamber designs. These would e excellent heads on a 265 or 283 engine. eg, 1. Second is peanut ports, can't remember the casting number off the top of my head, good for trucks and doorstops. 890/1. 54 compression height VORTEC BOWTIE CYLINDER HEADS Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. Aftermarket or All SBC gen I and Gen II heads will bolt onto the block. Cast-iron Vortec Cylinder Head Assembly • Completely assembled with 1. C $151. There are two kinds--the common ones, and a special set for the Beehive valve The intake face of a Vortec head is cut at a slightly different angle than the First-Generation SBC heads and features an eight-bolt-hole intake manifold hold down as opposed to the standard 12 SBC 350 CHEVY CYLINDER HEADS 96 UP VORTEX 906 & 062 Casting - PAIR BARE. The 49 cc Dart heads would likely need to be opened up, or use dished pistons. The 350 designation is the cubic inch measurement that also translates to 5. or Best Offer. Replaces Casting Numbers: 12558062, 10239906, Intake Runner 170cc, Combustion Chamber 64cc, Straight Spark Plug. Post some files, so we can see First is the L-29 Vortec head, great exhaust but intake is lacking. 015 Head gasket - Block Warping - Hi everyone, I am planning to install some 062 vortec heads on my matching numbers L48 engine in the next week or so. The main problem found is the intake runners are taller on vortec heads. it might make sense to get a set of Smallport Bowtie Vortec heads Upgrade your Chevy GM Marine 5. This is an older thread, you may not receive a response, and could be reviving an old thread. 4. 350, Long Block Crate Engine Type, Oil Pan Included Remanufactured Long Block Crate Engine Fits 1996-2000 Chevy / GMC C and K trucks, vans, and SUVs 350 CI / 5. anyone around that can do a chip for a 1988 4. Overheating kills any cylinder head. 041/186 heads - The advertisements for Vortec heads cite a 30hp increae over stock heads. 3 CYLINDER HEADS VORTEC CAST # 113 ONLY (pair) No core require. but the question is. Profile Page. Chevy GM Marine 5. The center bolt non-vortec heads(87-96) use a slightly different intake manifold. 530" lift stock and have screw in studs and flow much better on the exhaust than the stock L31's. 7 Vortec are essentially the same engine with the same displacement. I've got about 15-20 hours into them. The Chevrolet part number is 12691728. If you have a dome, you'll need to grind the "vane" in the combustion chamber for clearance. 827 pins Factory Crank GM Chevy OEM cast iron Vortec Heads GMPP Vortec Aluminum dual-plane + HVH 4 The 062 and 906 vortec heads that started as over the counter performance/ service / bare heads do not shows these cracks in any significant #'s. So what I'm wanting to know is what is the most lift Long Block Engine Version: Vortec; Crankshaft Casting Number: 526, 535; Right Head Casting Number: 9906, 8062; Left Head Casting Number: 9906, 8062; Block Casting Number: 3880; Includes: Timing Cover, Oil Pan And Valve Cover; 4 Bolt Main; SAE Thread Block; Roller Camshaft; 1 Piece Rear Main Seal; Valve Cover Mounts Through Center Period correct vortec heads the center intake bolts are vertical. The engine in my El Camino has a measured static 9. 03. The L30 305 version vortecs have good potential too with hand porting and larger valves too. I'm trying to get the compression up as much as possible with the smaller Vortec combustion chambers, and I also hope I can use a 0. The common solution to this issue is to machine the valve guides, and spring seats to allow upgraded springs and more CHEVY ASTRO VAN 4. 268 flat tap cam 279/280 lift 750 quick fuel carb 1988 corvette stock bottom end So far heads work great, I did try a older intake but it failed to line up , vortec performer dropped right in place, car was TPI Here's the specs on the part from GMPP Vortec TBI MSRP $432. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. derosnopS. After about 30K they are almost always pitted and micro-welded like steelcomp says. We use the new, new Chevrolet produced casting for applications that require the factory Vortec head. 11 posts • Page 1 of 1. These heads worked great on my 355 boat motor. Modifying the heads to accept early intake manifolds Yes, the 9906 and 8062 are the two selections available. a large port race head will not be street friendly on a 350ci motor. Even in 2bbl classes. 327, 9. 0 Reply. partsandcores (12,534) 99. The heads provide outstanding low-lift flow numbers (the more air you flow, the more potential power) and Fast Burn performance all in an affordable, cast-iron head. The stock heads will need porting and valvetrain mods. 7 heads. here is a picture of the boat I have. 84 valve on a 305 . 94/1. 40 and decked . My 92 K1500 has a TBI intake, injector unit, exhaust manifolds and serpentine belt related, on a Squarebody long block. Ericnova72 Vortec heads were not originally equipped with dampener springs, just a single spring due to the enlarged guide boss. Vortec cylinder heads significantly outflow non-Vortec service replacement cylinder heads and earlier OEM cast-iron heads. or Best Offer +C $54. cam and stock rocker arms. I know one thing, GM's valve job on the exhaust side of the heads was pretty lousy as well as how they cut the valves. The Vortec head also requires its own unique Chevrolet Performance Vortec Cylinder Heads. 7 V-8s. 030 over, the cam was a GM grind, was rather mild around 204 duration, Double roller timing chain, edelbrock intake, Q-jet carb, stock exhaust manifolds, single corked exhaust system, peg leg rear end with snail 2. the street and the race track are two dif. 470" lift) on a set of stock Vortec heads. Features 1967 camaro, 327, 9. This was done to eliminate the need for pushrod guide plates. This motor ran very well with the roller cam setup and these heads, Don't know if they are "true" vortec's, but it did run very well, Healthy motor, Problem was, the block cracked and had to replace the motor,,,Hope this helps,,,,Perry. The LT1 and 4 heads are set up for reverse coolant flow(i. 520 lift 230/236 duration roller cam, 2800 stall converter 3. These heads come fully equipped with valves, springs, and a precision 3-angle valve job, ensuring optimal airflow and enhanced engine efficiency. fabr Expert Posts: 626 Joined: Mon Jul 22, 2019 12:35 am Location: Re: Vortec heads cracked. 00 12496821 Intake Manifold, Vortec Head Design for TBI Designed for throttle body fuel injection Aluminum intake will work with all Vortec cylinder heads, including P/N 12529093, P/N 12558060, P/N 12497186 or P/N 12464298 Also accepts EGR Note: The exhaust manifold from 1996-and 3. The last time I checked, a good set of aluminum heads go for $1000 plus. 16 watchers. so i am leaning to the vortec heads. There have been many tech articles written about them over the years, so I won’t get to far into the weeds about the improved combustion chamber and port designs. 500" lift hyd flat tappet, doesn;t even have roller rockers Has a untouched chinese intake manifold etc etc etc. dave w. Our brand-new Chevy GM Marine OHV 5. Description Rebuilt 2 GM Chevy 4. Or go for the Bowtie Vortec castings. I purchased a set of the 185cc vortec Bowtie heads, but due to health issues they have been sitting in my closet for the the past two years. Not as good as vortec heads. I have had both . These heads need porting too , for C3 Tech/Performance - Vortec vs. Upgrade your vehicle’s performance with our rebuilt 2 GM Chevy 4. for the street and for the money the afr SBC various Vortec Dyno Tests and Flow Sheets 426. Even if I put a very mild cam in that 406 engine with an LCA of 112° or higher the engine would still scream with those So Vortec heads will also demand different valve covers and gaskets. Both of the old original heads were cracked and while the engine was still running OK it was "drinking" coolant. Free shipping. Drivetrain & Performance The Vortec heads are more new school with their bowls in how they maximize the air and fuel, where the Fast Burn heads are more of an old school design that relies on larger valves to force more fuel in. Automotive enthusiasts are quick to note that the 350 and the 5. Where you can gain substantially more power is by concentrating on the exhaust side of the head. engines. Vortec Bowtie cylinder heads come with bigger valves, a thicker deck surface Designed to fit 1955 and newer engines, this Vortech head (PN 12558060) is a great mild-performance cylinder head. The original small block Chevy also did not use guide plates but relied on a hole drilled into the head that “guided” the pushrod. On the site's technical notes, it says the maximum cam lift is . Vortec Bowtie cylinder heads come with bigger valves, a thicker deck surface and 66cc combustion chambers. Now we will see if a large port head really outshines a factory Vortec head. 3L V6 Chevy cast iron truck heads going on my 91 GMC Syclone which came with the "TBI/Swirl port" heads (ugh). as for how to identify a true vortec engine- they have centerbolt valve covers just like every other 87 and newer small block, but they only have 4 intake bolts on each side of the intake vs 6 on the old school heads. 00-inch bore while Vortec head was tested on 4. 862 heads do offer some benefits over stock cylinder heads, such as being more durable and less prone to cracking. All the sbc aftermarket heads are better. Vortec; Right Head Casting Number: 9906, 8062; Left Head Casting Number: 9906, 8062; Block Casting Number: 880; Complete Iron Head With Spring And Valves; Valve Cover Mounts Many of the adds for these cylinder heads state: "The Vortec head out flows the Bow tie head out of the box and is a 20 to 40 horsepower bolt on increase over earlier cast iron small block heads. You may find that double thick intake gaskets will make it fit just The vortec head is a better flowing head than the 882 although to be used with that cam they will have to be machined to handle over . Gerry rigging a old sbc pattern standard port intake on vortec port head does not work well. As tested with Vortec heads, this cam made 409 lb-ft at 4,000 rpm and 372 hp at 5,400. (059 casting). Block is a '69 vintage, bored . 500 lift cam, so if you are thinking about a big cam and more modifications down AFR’s Enforcer LS heads are listed as LS1 heads because they use cathedral-ports with a 3. each has its strong points for the intended use. i know i will have to change the intake manifold. I have a set of Vortec heads at the shop that we are doing for a customer. The L31 350 vortec heads (062-906) should be on your short list. $109. By the time you get the Vortec intake to go with the Vortec heads plus the new rocker arms they are no longer that inexpensive, but do flow better than those mentioned above. 041 How are Vortec Heads Different from Other GM Cast Heads? •The intake port is designed with a cast “ski jump” on the port roof which is there to increase port flow velocity. from United States. EQ bare heads – ready to install the valve train! All EQ cylinder heads outperform their competitors Many aftermarket Vortec style heads (including Bow Tie Vortec heads) feature dual bolt patterns allowing the use of the early 12-bolt intakes. Some people knowing Vortech heads are the BEST stock Chevy small block heads ever built hands down. The only difference is the water jacket revision so these heads could be Buy ADV Cylinder Heads NEW 5. Discover more about the small businesses partnering with Amazon and Amazon’s commitment to empowering Free Shipping - Summit Racing™ Vortec Cylinder Heads with qualifying orders of $109. The #062 has a 3-angle grind on a standard induction-hardened seat, as does the non-HD #906 head. It has a hot water under plenum heat passage for winter. If the heads you were offered are fastburn they are the same as the Vortec you will need the SDPC intake. As many know, Chevy Vortec heads make great power out-of-the box but can’t take more than about . Extra thick deck surface. These production Vortec heads were used in the new Vortec 350ci engine intended 1980RS wrote: ↑ Wed Jul 14, 2021 3:00 am I ran factory 062 mild ported Vortec's with a smallish hyd cam last year and it was a 10 sec. 350 Chevy 96 Up Vortex Cylinder Heads 906 & 062 Casting – Pair - Part #EQ-CH350C. Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 hp increase over earlier cast iron small block heads. I just wanted to remove the minimum amount of material to remove the major obstructions to flow (the valve throat ridges, the exhaust Long Block Engine Version: Vortec; Crankshaft Casting Number: 526, 535; Right Head Casting Number: 9906, 8062; Left Head Casting Number: 9906, 8062; Block Casting Number: 3880; Includes: Timing Cover, Oil Pan And Valve Cover; 4 Bolt Main; SAE Thread Block; Roller Camshaft; 1 Piece Rear Main Seal; Valve Cover Mounts Through Center Designed specifically to replace cylinder heads for the 96-02 Chevy 350 5. Features include fast burn combustion chambers, and a high-velocity port design. If you want to make 500hp on 302CID SBC using vortec style heads for a Jeep, supercharge it. may need milling. They flow pretty good as cast for the stock valve size. Remanufactured. The Chevy Vortec head is an excellent choice for a variety of performance and race applications. 94- and 1. 2 out of 5 stars. " Which is difficult to understand because no other casting numbers are used. As a start point. My car runs faster MPH and quicker ET already (first time out) with less flow, less port volume, less of every thing. Out-of-the-box Vortec heads had a slight flow and power advantage over out-of-the-box "round port" heads. However we've found that with some minor work to an LT1 intake we can make that fit. There is a set of stock vortec heads casting number ends in 8062 for $150, should I pounce on them for a later build? I know I know, new guy introduce yourself. 030-inch bore. This cam General Q & A - L-29 heads question? - Long story short, doesn't a 1999 454 mpi 310hp (non mag) have the L-29 vortech heads that was used on the old thread "330 on roids" 454 build, correct?? Since there's so much info coming from all types of people on the web it gets quite confusing. If you know the manufacture of the piston you might be able to call Summit racing or possibly the manufacture itself and ask about compatibility with the Vortec cylinder head. You can tell for sure by looking at the casting numbers which are visible through the oil filler hole on the rocker cover. Or I could run vortec heads with edelbrock performer EPS #2716. 55-inch valves, a 64 cc chamber, and a high-velocity port. The ones you want are L31, 5. Third is good ol' rectangular port heads. ghar_harm (598) 100%. The Vortec head uses a different, guided rocker arm The Canuck heads flow 228cfm stock -eh!- The Mexico-cast vortec heads are reported -10cfm stock. Re: 062 Vortec Heads vs Large port 206cc Vortec Heads Post by NewbVetteGuy » Thu Apr 08, 2021 10:01 pm steve cowan wrote: ↑ Thu Apr 08, 2021 5:38 pm Adam,do you know where the extra 15cc in runner volume is on the 210 head?there is 0. 736") It sure don't slow it down any. 3L heads have the reputation for poor flowing because the intake ports have the infamous "swirl port" design. Post by econo racer » Sat Mar 07, 2020 9:45 am. 475". The Stock heads are a little over $500 a pair. milling o62 vortec heads for screw in studs guide plates and double springs at home with a drill press Check the spring for installed height, coil bind, seal to retainer, retainer to rocker, valve to piston, push rod to guide slot in head, rocker slot length (if using stamped/cast rockers w/pivot balls)and proper geometry (push I'm in the process of changing the stock iron 85 heads to the iron Vortec heads. The whole point of the Vortec is to do away with the minor, reverse swirl off the backside of the valve and emphasis the flow on the spark plug side. vortec heads I wouldn't touch the ports I had a set of these heads on my boat motor and all I had done to them was have them machined for 2. Are the they referring to the smog heads on my '80? How do Vortec heads compare to the double hump 186's or the 041's (with 194 intake) that I have now. Relieving the cylinder wall only encourages these contra eddies and swirls that are unwanted. The 8062 is the one that GMPP sells at $225 each, assembled. So I just took the new heads out of their boxes, and bolted them on the block. 60 2. 7 350 VORTEC L31 EngineQuest 906/062 Cylinder Head PAIR 1996-2002 (CORE RETURN REQUIRED): Cylinder Heads - These days there are better solutions to the maximum performance head than using old Vortecs, to put the kind of effort and money into L31 heads for a race motor is a Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 hp increase over earlier cast iron small block heads. Sponsored. 60 cc or less would probably put you in a workable range on compression ratio with a 283. 7 Peak HP at 6000 RPM originally started out with out-the-box #062 Vortecs and aluminum GM Dual-Plane SBC Mud Truck Engine 361. View media item 32352Pic: Intake sitting with TBI head on the left, Vortec head on the right. The heart shaped combustion chamber on the Vortech head is very narrow and there could be interference with the piston dome in the cylinder head near the chamber. With a common, four-eyebrow flat top piston and a . However, years ago I built a 305 roller engine with 305 vortec heads. The non ported 906's ran mid-11's on my flat top piston 406 and low 12's on a dished piston 400 this year. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY. novadude Guru Posts: 1519 Joined: Thu Oct 11, 2007 7:24 pm You can fix any lack of flow in the new heads by porting them. The 9906 is a take-off from the 3/4 and 1 ton trucks. Rated 5 out of 5 by Ol red 88 from Right out of the box I read every review I could find before I got them , not a lot out there. 84/1. The 083 L98/ Tpi heads have slightly more potential with equal valves and prep. Those 520/059 L30 Vortec 305 heads are no slouches. 940"/1. 3L and 6. The only difference between the #062 and #906 Vortec head is in the exhaust seat of the HD/1-ton truck #906 version, as described above. He will just need an 8 bolt vortec style intake rather than the std 12 bolt intake He will also need the vortec style self alinging rocker arms and center bolt valve covers C3 General - Vortec heads - I have access to a set of Vortec heads that were produced after 96 and carried the better number as some weren't as good. 3L 862 cylinder heads have a cathedral 062 Mexico Vortec flow numbers. 12 As tested with Vortec heads, this cam made 409 lb-ft at 4,000 rpm and 372 hp at 5,400. Small Business. These cylinder heads are ideal for applications up to 350 Our Summit Racing™ Vortec cylinder heads have what it takes to get the job done. The Vortec heads in stock trim can only accomodate about a . I went to the Engine Specifications document for the recommended spark plugs. Trick Flow makes heads for the gen 1 block that are vortec design but utilize angled manifold bolts. I've had very good results on street driven 350's with vortec heads. 3 watchers. Check the following article on this subject; There were two types of Vortec heads, small heads were used on the small V-8 truck engine, the larger L31 heads were used on all 5. They have obviously spent the time to develop the combo, but it definitely is workable. 040" in pinch area but that's only a couple of cc. I always recommend starting with new GM 062 or 906 castings for a vortec head buildup. Last I heard about the 305 "S/R" WP heads the chamber volume needs to be verified if you actually want a 58cc chamber. Opens in a new Vortec Heads outflow Bow Tie Heads right out of the box and are a 20 to 40 horsepower bolt-on increase over earlier cast iron small block heads. 040" (the maximum recommeded) and what the new compression ratio would be if these heads were in fact milled that amount? Welcome to Heavy Duty Parts Company, your trusted source for high-performance cylinder heads. 0L variants, Vortec heads are easily identified, as they only have 4 intake manifold bolts per side that are straight up compared to the older style which used a 6 per side intake mounting that are angled. 55 Sodium exhaust valves in the heads, minor porting (same as I did on the 062's), so I am wondering what do you guys thing the car will pickup with these over the 062 Mild ported heads that I ran My Vortec heads are the later model ones (came off of like a 2000 truck I believe) and the intake has 2 bolts in each corner. Summit offers a good replacement Vortec 350 head that is more beefy than the stock L31 head and resists cracking The 1987-1995 4. 3 2002 CHEVY S10 TRUCK 113 VORTEC BOLT DOWN ROCKERS CYLINDER HEAD V-6 NO CORE. 24. Vortec heads were designed based on the 1996 Caprice 9C1/Impala SS LT1 cast-iron head castings. 125" thick. Long Block Engine Version: Vortec; Crankshaft Casting Number: 526, 535; Right Head Casting Number: 9906, 8062; Left Head Casting Number: 9906, 8062; Block Casting Number: 3880; Includes: Timing Cover, Oil Pan And Valve Cover; 4 Bolt Main; SAE Thread Block; Roller Camshaft; 1 Piece Rear Main Seal; Valve Cover Mounts Through Center GM Vortec 185cc Cylinder Heads. Featuring wide-open intake runners, efficient combustion chambers, and a high-performance valve job, Find Chevrolet Performance Vortec Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and That creates an 8. $672. The Vortec combustion chamber Long Block Engine Version: Vortec; Crankshaft Casting Number: 526, 535; Right Head Casting Number: 9906, 8062; Left Head Casting Number: 9906, 8062; Block Casting Number: 3880; Includes: Timing Cover, Oil Pan And Valve Cover; 4 Bolt Main; SAE Thread Block; Roller Camshaft; 1 Piece Rear Main Seal; Valve Cover Mounts Through Center After reading the link on the Vortec head it makes my old camel humps just some shop art. 500 lift. Another difference is that the Vortec heads do not use a traditional pushrod guide plate. In addition, the 2002-2004 LS6 springs are also a behive spring deisgn and will work on the GEN 1-E Vortec head. 10 sec. ) moderate "Pocket porting" adds little or nothing,but looks pretty. 44 mm 3. Note the gap at the top of the intake port and the bolt holes above the manifold mounting surface The Vortec heads are missing the coolant bypass hole that the TBI and earlier heads have. 7 V8 350 engine (1996-2000) with a new pair of Vortec cylinder heads, casting numbers 906 and 062. 7L VORTEC engines. The AFR heads were worth about 45 hp and 12 lb-ft with the same cam, a trend we would see with C3 Tech/Performance - Compression Ratio Question with Vortec heads - I'm trying to finalize parts specifications for a very mild 350 rebuild. Free returns. You'll need two sets of rotator-eliminator shims. The $679 is for heads that have LT4 valve springs, posi seals and machine work. :idea: I understand the intake, carb, and exhaust being marine application as well as the electriacal components but I read Marine heads for vortec, I read marine 5. 050" quench, most of the 350 engines Gm built have way more than that and they seem to run fine. econo racer Expert Posts: 787 Joined: Tue Nov 27, 2007 4:44 am Location: Re: 307 Chevy with Vortec Heads. I was told that the LS6 springs will rub on some part of the valvetrain. I will addmit, I have not seen any other head work better in that HP range. bore size engine (3. They are not as good as the RHS or EQ heads that were made 5-6 years ago. 7 liters. And any gm head except bowtie. The pistons were basic flat tops . 50 Valves, 170CC Intake, 64CC, SINGLE. So it doesn't look like TPI will bolt right up. The intake ports measured 175 cc and Dart says they flow 232cfm @ . THIS CYLINDER HEAD HAS THE FOLLOWING: 190CC intake ports. 00. 60 mm 4. . Flat top pistons 350 max . 15 watchers. Insert Quotes Post Reply The crosswind vortec intake is good. Lots of room to grow with porting and larger valves. The AFR heads were worth about 45 hp and 12 lb-ft with the same cam, a trend we would see with Bigger valves help too. SHARE POST #28. (and thru the exhaust no less) Same cid same raw Vortec head they moved the spark plug in the combustion chamber closer to the exhaust valve, so that puts those two center spark plugs closer together outside the head and right where the Ramshorn outlet needs the space. Moderator: Team. Vortec heads instantly added 55 or more horsepower to a regular 350 head with the same displacement. The L-29 heads use valve rotators on both intake and exhaust. 02/1. The intake manifold gaskets had been previously replaced. 56 gears. They have the 1. You have to fully port The 416's have very similar ports to the old 461 and 462 Double Hump heads and almost identical port volume. 2 watchers. Don't get too hung up on the . Ports measure smaller too. I have "heard" that the LS6 springs wont allow as much lift on a Vortec 305/350 heads as the Comp Cams 915/918 springs. What gives? Don't waste time with the Dart S/R vortec heads either. 2%. Top Rated Seller Top Rated SBC Chevy Dual Plane Satin Aluminum Intake Manifold for Vortec 350 Heads. 3 tbi with 1996 vortec heads comp cam 46mm throttle body 5. You can't beat the price of the Vortec $224 ea compleat or the fastburns for $545 ea compleat the one thing you have to remember is the intake $399(It's a Vortec 305 L30 230hp@4600rpm/285lb/ft torque@2800rpm through single cats. General engine tech -- Drag Racing to Circle Track. 500" valves I'm considering the 350 HO and 383 HT, which have the same 9. The Dart heads had extra material added into the bowl area to allow for seat inserts to be installed for stationary applications etc. If there's photos to be had of sawed-apart L-29 heads, I'd love to see them, too. Very similar to 990's but the short turn seems a bit tighter to me. Cylinder Head Left Or Right; Engine Version: Vortec; Right Head Casting Number: 9906, 8062; Left Head Casting Number: 9906, 8062; Block Casting Number: 880; Complete Iron Head With Spring And Valves; Valve Cover Mounts Through Center. Top. 3 CYLINDER HEADS VORTEC CAST # 113 ONLY (pair) No core require (For: Chevrolet) Opens in a new window or tab. 550 in. On a 383, a cam will operate at about 300-500 rpm lower than what it is rated to operate at. 65@125mph 406 with home ported Dart 215 heads. I don`t know what they flow. C3 Tech/Performance - 0. 12-23-2015, 04:23 AM. In essence, the Vortec head uses the iron LT1 chamber intake and exhaust ports in a standard-water-flow iron head. (The Canadian casting plant that used to do the vortec heads now does the LS vette heads and the new 2010 Camaro V6 motors heads. 08 rear. 30 over i was going to use the stock gm heads (supposed to have been reworked with triple ground valves and z28 springs)but i doubt it. The Bowtie vortecs are even better. The L-29 Vortec heads drop right onto a flat-top-piston engine. 060 over. Vortec design combustion chamber. Vortec 062's 406 w/hyd. You also might have to open up the head bolt holes especially the long ones to avoid interference with the head bolts, sometimes this happens and sometimes it does not. find a set of 1996-2002 305 V8 heads in a u-pull it salvage yard for $100, spend $200 to get them redone and bolt them on. The conclusion was that swapping from peanut port to Vortec heads provided modest power gains. 42 to 1 Compression, 62CC aluminum heads . CGT Guru Posts: 2063 Joined: Sun May 10, 2009 4:29 pm Location: If the heads are cut and you don't want to cut the intake manifold, BLP has these. Would a set of 049/781 heads work as good with the higher flow and lower compression? mild 454 with stock shortblock and a hydraulic flat Vortec heads work just fine on the 283, relieving the bore for valve flow is totally unnecessary. Since its introduction in the late 1990’s there have been a few “versions” of the factory Vortec head. Mizumo Auto MA-9761290855 Pair Complete Cylinder Head I just picked up a pair of these Dart vortec heads for a good price, they look like they have decks that are a lot thicker than the stock GM vortec heads and come set up with screw in studs and guideplates so that's a plus. I'm taking them to a machine shop to get them cleaned up a little basically but they have stock springs and everything. 7 removed from 1 ton work truck I was given if possible. 862 heads feature the following; 200cc intake runners, 1. I have the GM Hollow stem intake valves and the 1. 73 The 305 version 305 vortec heads #059 have tons of potential. My vortec heads flow less than his do, my cam is a off the shelf . can i use the existing pistons? or is the The stock OEM gm vortec heads won't make 500hp without heavy modification. 900˝ minimum bore size to fit the intake and exhaust valves. 13 shipping. https: The vortec type heads work VERY Well on engines that make 375 to 425 HP= For me, that is a mild street 350 engine. Most Vortec intake gaskets are ~. 305 vortec heads have smaller valves than the 350. These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds. About 5000--5200 rpm is their upper limit; I'm told porting does wonders. Commonly available 12 bolt SBC dual plane intakes do not have enough metal above the port to be ported to match the Vortec port, w/o having a vacuum leak or razor thin I had a 355 with the xe268h cam and vortec heads, and although it ran very well, it could have benefitted from the 274h. 95 $ 109. Shop Cylinder Heads at Summit Racing. 0:1. Get a vortec intake what i have is a 72 chev 350 4 bolt,278 cam, flat top pistons. This has a very limited use. 0L ENGINE SERVICE MANUAL 6 7 Application Metric English General Data Engine Type L4 Displacement 3. They come fully assembled, and feature 1. I don't know what other restrictions/mods the 49 cc chambers need or require. The 5. 10. vortec heads significantly out flow L98 stock heads the difference is an easy 30 hp or more in potential, when matched with a cam that allows the heads to breath, the best direct replacement cam to work with vortec heads NEW GM GMC 350 5. I might be down at the Vortec Heads Single Plane High Rise Intake Manifold For Small Block Chevy 350. Last one. Joined: May 1, 2007 Posts: 658. Just trust me, they are really good. Without a coolant bypass circuit you will get weird overheating Ok I've got a set of 062 vortec heads and since I'm putting a carb on my truck, I'm wondering what the cam size limit is on these vortec heads. 490 Factory powdered metal rods ARP bolts . Show More Vortec Heads require a Vortec-style intake manifold due to an improved manifold mounting flange and gasket design and raised intake ports. GM 12558062 SB Chevy Vortec Head, 1. For now, as truck is going Qjet, hei (would prefer points) and Th350/NP241. Note that intake flow improves roughly 30 cfm across the entire lift I have a 5. I emailed summit about there Crane Cam’s 10309-1 drop-in valve spring and retainer kit on a stock set of 5. 000 in Stroke 91. Curtis, I have a set of GM heads that I pulled off a Mercrusier 350 engine that have casting #'s 14096217. Catharines flowed 228cfm with a radius inlet on the port and A GM Vortec head will run at that compression ratio with pump gas. The heads that were tested included the two versions of the Vortec Bow-Tie, as well as the GM's Vortec truck head, Fast Burn aluminum head, and the stock aluminum ZZ4 production head. 470” valve lift without binding. The Vortec heads are much like other stock small-block heads in that the intake port flows fairly well, but higher rpm power is limited by a weak exhaust port. If this Since it's winter and things are slow right now I have my set of 206cc 1st design Large Port Vortec heads done. ghar_harm (588) 100%. Ericnova72, Jul 9, 2019. 60 Blocking the twinned egr heat riser passages helps. 60 in lets not get carried away with who has the best heads out there. Vortec Bowtie Cylinder Head Technical Notes: Vortec cylinder heads have been around for over 20 years and are still a great option for a performance small block build. The trouble with junk yard vortec heads is the whole reason they ended up in the junk yard instead of being rebuilt with the original vortec motor and put back into service is they got cracked in the original trucks. 3 V6 262 Vortec Cylinder Heads. 450-. Save Share Reply Quote Like. AFR's 190cc Vortec Street heads are the preferred choice over reworked factory heads. EngineQuest makes a copy of the Vortec head which has a better casting and larger water jackets for better cooling - I have used them and really like them. Vehicle/Engine Search Would like to get feeback on this cam selection and also if Vortec heads are friendly with steel shim gaskets. Opens in a new window or tab. Chevy Vortec Aluminum 350 Cylinder Heads 64cc 2. 015. Brand New. 2004 new OEM Vortec 4. Made from the highest grade cast iron. 6 valves ,the bowles opend up and guide work so I could run a bigger cam. •Port flow was designed to be high in the . The worst are the exhaust seats and valves on 350 Vortec heads. FREE delivery Wed, Dec 4 . FWIW, even Chevy uses the Fast Burn heads on the ZZ6 now which is basically an aluminum version of the cast iron Vortec head, instead of the old L98 heads, if that tells you anything. Shop for the best Cylinder Head for your 1999 Chevrolet K1500 Suburban 4WD, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. Tech Inspector I read some of your previous posts and you saved me a great deal of disappointment. You'd have to dyno test compare if a equal worked over head works better with a 1. places and the demands of a race engine are much dif. Now, when using a FelPro 1255 gasket, it's . I have a set of camel hump heads with under cover porting from brezezinski and would have to run edelbrock torker ll intake #5001. as Bondo said, nothing special about the heads. 0:1 compression ratio, but if all you did was swap on a set of Vortec heads, the compression jumps nearly a full point to a more efficient 9. These are Vortec patterned ports and so is the manifold. 0 vortec installed in my 98 sea ray and would like to rebuild a 1999 5. The paragraph above the Ignition System section says: Any small block engine, regardless of year, that uses Vortec heads, will I saw this while researching Vortec heads and decided I would share with the group. I had heard conflicting reports of how much lift a stock Vortec head would take, and was ignorant of how to check it myself. However, when you move the HP level up to 500 or more HP , the vortec can NOT keep up with say a small AFR head== At the 500 HP level, THe AFR head is The Vortec head also requires several components that are different from the traditional small-block Chevy parts list. 015 head Next spot face all of the head bolt holes so that they are now once again parallel to the deck of the head. Ok, 8062. I had a brand new set of flat top pistons I was going to use, but after reading one of the topics I discovered that they were the 1. 5 cid 4. 40" valves and 58cc chambers. As for an estimate of power I can't say but if the vortec heads work well with the bottom end it has its a safe bet that it will have more power than it did. All tests were performed at 28 inches of water. The Vortex head outflows stock non-Vortec heads, and according to Chevrolet, deliver a 20 to 40 horsepower increase over Keith Morganstein wrote: ↑ Fri Sep 14, 2018 4:19 pm There are some that get the large Bowtie vortec head to run very well, front of the pack on power, on a 355 SBC. Recommended for street, towing, or street/strip engines from 350-383 cubic inches, operating up to 6000 RPM. They did not share the same clean cast port quality. Our criteria is for a street engine, AT with stock torque converter, 3. 450" lift. My shop guy said there is tons of retainer to seal clearance because the eBay seller did do a lot of grinding and did the right things for more valve lift on the heads but failed to install the correct spring. vno epy fgbw olluba ltnumgd wawke gzubtjqmp adngt pdwopr gdulvo