Lt1 Vortec Heads

Also the LT1 intake does not have a hole for the distributor. These production Vortec heads were used in the new Vortec 350ci engine intended for ½-, ¾-, and 1-ton Chevy pickups. 25 (slow from canada, buy from lingenfelter instead). New and Used Car and Truck Parts and Accessories On Sale. There's something regarding the longer days and also the warmer weather condition that takes out of our wintertime ruts and also obtains us really feeling inspired to take command of lives and also tremble up their lives for the more. The Vortec heads are SBC heads, they just have different runner shapes and such to provide better low end torque for the trucks. Bare pair of LPE LINGENFELTER ALUMINUM CYLINDER head GM LT1 10125374 GM LT1 350 5. Personally, I'd pass on both and and when I get a LT1 block, I'd put stock or ported aluminm heads (Corvette/Trans Am/Camaro) on it vs the cast iron heads from the SS. less than the earlier ones, but they are identical otherwise. Manufactured using the highest grade cast iron. The L99 is a 4. that is why it's good to. LT1 & Vortec combustion chambers are the same, so the ports may line up. These babies produce some good horsepower numbers. Awesome prices on Jdmspeed Chevrolet Vortec! Showcasing our huge collection of Jdmspeed Chevrolet Vortec available for sale right now online. In the mid-1960s, there were 8 separate families of GM V8 engines on sale in the USA. chevy, lt1, gen ii sbc Sort by: Featured Items Newest Items Bestselling Alphabetical: A to Z Alphabetical: Z to A Avg. Ok maybe somebody on here can give me an answer! I'm 22 years old and know a little about the 350 vortecs bc that's all I have and stayed with and my buddy is 19 and thinks he knows more lol of cou. lt1 cam, and another set of vortec heads shaved 20 thousandths. Until the mid-1970s, most General Motors brands designed and manufactured their own engines with few interchangeable parts between brands. 2L Direct Injected LT1 based engines. As you mentioned, the accessories and the carb are specialized for marine use, but the block and heads are just the standard block and heads. Installed Options WHEELS 4-17 X 7. LT1 intakes do not have any water crossover passages at all. Iron was 64cc just like the Vortec. Personally, I'd pass on both and and when I get a LT1 block, I'd put stock or ported aluminm heads (Corvette/Trans Am/Camaro) on it vs the cast iron heads from the SS. Thses new Chevy heads were not just a modified version of existing heads, but a complete redesign using the 1996 Caprice/Impala SS LT1 cast-iron head castings as a base. Additionally they are machined to accept both center bolt and perimeter bolt valve covers. Buy Gen 5 LT1 L83 Cylinder Head to Gen 4 LS7 Intake Manifold Adapter Plates (551347) from ICT Billet and browse through a huge selection of Made in USA LS/LT swap and conversion parts, manufactured at the state of the art plant. 406 sbc aluminum vortec heads 54mm tbi injection ebl flash 700r4 voodoo. sold as is looks good. The cylinder heads feature combustion chambers very similar to those of the LT1 V8, but without the reverse-flow cooling. Nothing can be done to those heads to improve their flow numbers enough to justify the work done to them. engines, these heads feature high-velocity, small cross-section intake runners to promote low-rpm torque and high-rpm horsepower. The LT1 block is basically a SBC with the water passages and front end modifications to allow for the Opti. Internals from the SBC with one piece oil seal are interchangeable. See the 2007 Chevrolet Silverado 1500 LT1 in Bluffton, SC for $6,999 with a VIN of 1GCEK19ZX7E179832. Is the LT1 worth it? I will probably put a rather heavy cam for the street into the motor since the truck is light. 7L Vortec engine from a 1995 Silverado. So they could have only gained that increase by the following, roller cam, MPI, better head design. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. The second-generation engine featured aluminum heads, reverse-flow cooling (the heads received coolant first, in lieu of the block), and electronic controls. The standard issue LS1 heads is best all-around head for the street / strip engines. Cylinder Heads. CHEVY 350 LT1 Engine 96-97 camaro & firebord 2 bolt main Remanufactured and Rebuilt Engines for Cars and Trucks. 2L Direct Injected LT1 based engines. 3L Vortec V8. High-performance efforts have always begun by improving upon what the factory built, and the smallblock Chevy is the poster child for that effort. 1972 LAND. Displacement is 5. Buy Gen 5 LT1 L83 Cylinder Head to Gen 4 LS7 Intake Manifold Adapter Plates (551347) from ICT Billet and browse through a huge selection of Made in USA LS/LT swap and conversion parts, manufactured at the state of the art plant. The LS engine harness is configured much differently and the intake manifold is exposed and uses valve covers to dress up the engine. Vortec heads fit all small block engines produced 1955 to present, excluding LT1/LT4 reverse coolant flow engines and current LS1 style “GEN 3” engines. 355 engine- 1992 638 cast roller cam block 0. 1972 LAND. As I don't need to replace the short block and I have roler rockers, comp cam, JBA headers, the swear word K+N filter, dual exhaust, a 5 year old Hypertech Chip. Chevy Factory Heads; Big Block Chevy Heads; Engine Quest Heads; Engine Quest 350H; Engine Quest Vortec Heads; Dart Iron Eagle & SS Heads; Ford Factory Heads; Brodix Aluminum Heads; World Products Heads; Cylinder Head Porting Services. + Laminated checklists for quick reference on the tuning process for each vehicle modification type (bolt-ons, heads/cam, forced induction) + Digital download with example tune files and videos that guide you through the changes made for certain more complex tables + One year of technical support through our Online Ticket System. 12v Dual Head Car Fan Portable Vehicle Truck 360° Rotatable Auto Cooling Cooler Gm Ls1 - $36. Chevy Lt1 Lt4 350 383 400 Arp Performancerace Cylinder Head Studwasher Kit Hex. CHEV 350 LT1 GEN 2 - Multi point fuel Injected Motor. "202" refers to the intake valve diameter of 2. You two are, so far, the only ones who said i can't. All LT1/4 heads have a bolt pattern all their own. Head Bolt Set 1997-2003 Chevy LS1 LS2 LS4 LS6 4. They require the use of a Vortec-style intake and self-aligning rocker arms, and come complete with valves, springs, and retainers. One of the other major changes was the distributor. HEADS READY TO GO GOOD SHAPE,FRESH - LT1 350 HEADS SBC , just bolt them on and go casting number # 12554290. 02; Save chevy vortec heads to get e-mail alerts and updates on your eBay Feed. Later LT1 and on LS1, Vortec 4. LT1 & Vortec combustion chambers are the same, so the ports may line up. 525 they say stock can handle 450, but some places say stock is only good for. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. LT1 engines were made out of cast iron while the LS1 engine. I can tell the difference in power. LPE recommends thoroughly cleaning the camshaft and liberally applying engine assembly lube prior to i nstallation. Visit us today for more information!!. Maxflow Fuel Pump Boosters, Ford Mustang Plug And Play Packages. The engine is OBDII compatible and was basically a standard 350 with redesigned cyli. Gen III PCM. High-performance efforts have always begun by improving upon what the factory built, and the smallblock Chevy is the poster child for that effort. Yea, these heads would work good on that. So, the old engine had HT 9:1 pistons with a hydraulic roller cam, roller rockers and S/R Torquer heads. About the 327 Chevy Engine This Chevy small block had a 4 inch bore, sported a solid lifter cam shaft in 1962 and put out power ranging from 250 horsepower to as much as 375 horses with 1964 L 84 version which was a lot at the time for any production small block. Vortec heads with TBI. I would think even with the stock cam he should be able to use mid-grade with the vortec heads. 50" Stainless Steel Valves, Vortec LT1 Std Length. Read reviews, browse our car. Drive home in your new pre-owned vehicle with the knowledge you're fully backed by the CARFAX Buyback Guarantee. The foundation of our engine build makes use of our factory LT1 block and cylinder heads, albeit they have been modified for our build. Does anyone have any information comparing the lt1 iron and aluminum heads for performance potential. In essence, the Vortec head uses the iron LT1 chamber intake and exhaust ports in a standard-water-flow iron head. With little major effort and cost!!. But was surprised to see that one of those intakes with a 52mm TB produced the same HP as a stock intake with a stock TB (48mm). The very excellent design of the engine, the solid advancements Chevy continuously made and the sheer prolific nature of the motor made them rise quickly to the top in the world of engine swapping into Jeep vehicles. Not just a modification of existing heads, but complete redesign using the 1996 Caprice/Impala SS LT1 cast-iron head castings as a base. Ever wonder how much boost will a stock 5. heads went into production for the 1992 LT1 Vette. Swapping a LT1 intake on to a. Thats with a 1. Factory Alloy Cyl Heads (1961-63) 215 Engines Only CHEVROLET SMALL BLOCK LT1-LT4-VORTEC 153 TEETH STEEL NEUTRAL BALANCE LIGHTWEIGHT FLYWHEEL (YT9907NL). 2GCEC13T461240433. Ideal for 302- 406 c. Fits GM based Vortec engines from 1998 to current. Nothing can be done to those heads to improve their flow numbers enough to justify the work done to them. Our EFI 24x™and EFI 58x™ Product Lines bring Gen III LS1 PCM control and Gen IV LS3 ECM control to these popular engines. The cast iron Vortec head was in development six months longer than the aluminum head. 7 to a fresh 5. 1188 or check out Dart's technical FORUM. Crate Motor Parts ‘602 Crate ‘603 Crate. Check out our Betten Baker Chrysler Dodge Jeep Ram Coopersville used inventory, we have the right vehicle to fit your style and budget!. had the lt1's for awhile now, i talked to a machine shop its been tried but always ran hot so piss on it. Now if you're just looking to breath some new life into a tired old truck, a LT1 hot cam, headers, ECM tune (few places still do it for TBI's), under or over drive pulleys and some cheap mods to the TBI are a good start (Look up Ultimate TBI mods for some good info). The LT1 blocks can be bored if needed in the future unlike the LS1 which is a disposable block with only about. The head to block pattern is the same, the intake to head pattern is different. Focusing on Small Block Chevy Vortec Heads available for sale online. An easy way to gain 20-40 horsepower on any 1955-and-newer Small Block Chevrolet V8 (except later LT1/LT1 Engines) is by installing a set of Vortec cylinder heads. CHEVY 350 LT1 Engine 96-97 camaro & firebord 2 bolt main Remanufactured and Rebuilt Engines for Cars and Trucks. This allowed higher compression ratios, resulting in more power and gas mileage, and reduced emissions. Technical Note: The valves seats in these heads can be machined to 2. 7L LS1 small-block introduced with all-new Corvette, featuring all-new deep-skirt block casting with six-bolt mains, redesigned cylinder heads with symmetrical ports and combustion chambers. 967 L, or 364. The Vortec 5700 L31 (Vin code 8th digit "R") is a V8 truck engine. This is fed by a stock TBI with AirAid spacer (snake oil IMO, but it was there so I left it rather than scout up replacement bolts). Buy Gen 5 LT1 L83 Cylinder Head to Gen 4 LS7 Intake Manifold Adapter Plates (551347) from ICT Billet and browse through a huge selection of Made in USA LS/LT swap and conversion parts, manufactured at the state of the art plant. Worthless tidbit of information: The vortec's intake port is a direct copy of the LT1 iron head. If you want an LT1 like intake manifold with short runner, grab a Ramjet 350 maniofld and throw it on some L31 heads. Finally! An exhaust gasket that really works! 100% graphite construction means Remflex gaskets can take the heat-up to 3,000º F! A built-in 50% crush allows Remflex gaskets to fill gaps in headers or exhaust manifolds up to 1/16-inch inch. Also Vortec heads/intakes have conventional water passages just like traditional SBC, LT1 heads & intake watter passages are different. While the original '92-97 LT1 was not a high-output motor, the reverse is true of LT1 crate engines from Golen Engine. AFR LT-1 / LT-4 / Vortec Heads/ Late Model TBI/TPI Heads - Your factory accessory bolts and center bolt valve covers need to be shortened 3/16" or they will bottom out. If you want to take it further, you can junk your heads. Heads have been resurfaced. OBD1 USB/ALDL Cable Sets: We also offer the same high quality OBDI USB/ALDL interface cable sets that are included in the LT1 Tuning kits separately. These heads will improve horsepower and efficiency at a great low price. New never-ran ~2004 Vortec heads, fully assembled, lucky steal on eBay: $100. 02” intake and 1. 7L Vortec, and. There were two heads used on the 350, one aluminum and one cast iron, along with one cast iron head for the 265. When you purchase one of our LT1 High Performance Street Engines you will receive a full spec sheet listing the exact components your engine was built. Allied Motor Parts has over 150 years of experience of remanufacturing automotive and light truck cylinder heads. vortec heads on a 305. Additionally they are machined to accept both center bolt and perimeter bolt valve covers. GSX And XR Pistons Come Standard With The Patented X Groove Which Fights The Damaging Effects Of Fuel Washdown And Wear Debris. Like I said, lot's of confusion. These > > heads are used from 87' up. '97: Gen III 5. Vortec Bowtie cylinder heads come with large valves, a thick deck surface and 66-cc combustion chambers. Modernize Your Early SBC, VI Gen BBC, TPI, LT1 / LT4 Engine. Heads come completely assembled with valves, springs, retainers, and 3/8" rocker studs. - Answered by a verified Chevy Mechanic. The Vortec 5300 LM7 (VIN code 8th digit "T") was introduced in 1999. With little major effort and cost!!. The LT1 has a "reverse flow cooling" system that enables the cylinder heads to be cooled first. 2 liter is a brand-new LT1 engine record; General Motors had designed its last incarnation of the LT1 engine in 1997. AD Performance AFR SBC 195 Street Heads, Eliminator LT1 / LT4 Reverse Cool [1031] - AFR Eliminator Series SBC 195's! AFR's All new port design, all new chamber design, new casting design and updated valvetrain!. 7L Vortec Crate Engines. 460 EDIT : Crazy that article used the EQ vortec replacement head. 0 inches with a stroke of 3. 3L Vortec + 1 Cam = 42 Extra Horsepower How to Pull More Ponies and Pass Emissions. 89 Gm Ls1 Fbody Corvette Dual Cooling Fan Harness + Pigtail Camaro Lsx Lt1 Tpi Fans. Is the LT1 worth it? I will probably put a rather heavy cam for the street into the motor since the truck is light. I think you would basically have an LT1 block with a rotating assembly to swap everything. First engine projectswap just vortec heads onto old block or swap entire vortec? Warkmeister, Jul 17, 2019. It has a cast iron block and aluminum heads, and can be considered the "garden variety" version of the Generation III V8s. Sbc Vortec Heads Springtime and also summertime is a time of modification and also clean slates. I have formatted each cylinder heads information into individual files for use with different versions of DeskTop Dyno, DynoSim, Comp Cams CamQuest program, Dynomation Versions 4 and 5 and Performance Trends Engine Analyzer. Guaranteed quality, look and sound for your high performance engines. The Latest in State of the Art Cylinder Heads and Intake Manifolds for Racing and Street Performance Pro-Filer / Wilson SBC The All New Pro-Filer / Wilson Small Block Single Plane Intake features Cast Fuel Injection Bosses and perfect runner to plenum volume. 8 to 1 ratio. Our site features a very big variety at wonderful prices. Modern valve seat cutting equipment can resize seats for larger valves with just slightly more effort than doing a regular valve job. I've found a few Vortec Heads on craigslist, but honestly, I'm lacking knowledge on whether or not they're good or bad. All LT1 heads used small combustion chambers to get the higher compression ratios with flat top pistons; the 350s had a 10. Heads, Camshaft & Valvetrain. I was told the cam was an "LT1" but it has "Engle G-HR 212/218 211 Hyd" is engraved on the but end. 383 Stroker Vortec VIN R customized crate engine for your needs from West Coast Engines. Below are several variations of our 383 Stroker Engines. Replies: 3 Lt1 swap in 73 k10. Is it going to cost much more to get that additional power out of a 350 vortec vs. I would think even with the stock cam he should be able to use mid-grade with the vortec heads. 470" lift with your vortec heads, we recommend using our high performance Vortec heads with the SDPC valve spring upgrade. Heads come completely assembled with valves, springs, retainers, and 3/8" rocker studs. took the motor I lost oil pressure on, 11. Is the vortec timing cover , reluctor wheel and hub any different then the 96-97 lt1? other then the missing hole for the opti. The front of the LT1 engine is covered in black crud at the bottom fromt. The extra material over the port is to seal the smaller LT1 intake ports to the larger LT4 head ports. Our site has located an expansive assortment at good asking prices. sold as is looks good. These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing (great for circle track applications) engines. My LT1 engine has brass freeze plugs in it, so you may not have to change the plugs in your block. Technical Note: The valves seats in these heads can be machined to 2. How to Build a Budget 383 Stroker Chevy Engine. This is for one head only. ENGINE VORTEC 5300 V8 SFI aluminum block with steel cylinder sleeves (310 HP [231. Our site features a very big variety at wonderful prices. Heads come completly assembled with valves, springs, retainers, and 3/8" rocker studs. 041-inch thick head gasket on a 350ci engine, the Vortec head will bump the compression to around 9. Just checked Fleabay for LT1 heads, and the lowest price I saw for stock LT1 heads was 125 bucks EACH. casting Our 2004 rocker set is designed for the LT1 and Vortec GM head. Improved design to reduce cracking. AFR LT-1 / LT-4 / Vortec Heads/ Late Model TBI/TPI Heads - Your factory accessory bolts and center bolt valve covers need to be shortened 3/16" or they will bottom out. So why are these production heads so good? Chevy borrowed the excellent intake and exhaust port design from the LT1 aluminum head and dropped it into the iron Vortec head, which includes a small but efficient 64cc combustion chamber and pressed-in 3/8-inch studs. #1-Your cam is probably toast. The process begins by L&R hot tanking the block, followed by a light power-hone. I was told the cam was an "LT1" but it has "Engle G-HR 212/218 211 Hyd" is engraved on the but end. Vortec heads would be cool, but they´re still iron and can only take. With little major effort and cost!!. com and went with the entry level 180cc cnc porting which they no longer offer. Can i put 1998 corvett Ls1 valvetrain and heads on a 1997 chevy SILVERADO L30 5. As you can see with the factory tune, timing levels off around this RPM range. I bought a used LT1 intake off of e-bay for $200 including fuel rails. I have formatted each cylinder heads information into individual files for use with different versions of DeskTop Dyno, DynoSim, Comp Cams CamQuest program, Dynomation Versions 4 and 5 and Performance Trends Engine Analyzer. Sold as pictured. Improve the performance of your Vortec by installing our high dwell Dyna-Module! Dwell within the module controls a coils saturation time, which is the time needed by the coil to produce a spark. View search results for lt1 heads and get Free Shipping on Orders Over $99 at Summit Racing! 1987 and later with cast iron cylinder Heads - non-Vortec, non-LT1. com Get details about the 1996-1992 Corvette C4 (LT1, LT4) superchargers and where to buy the ProCharger parts for the Corvette. Swapping a LT1 intake on to a. These production Vortec heads were used in the new Vortec 350ci engine intended for ½-, ¾-, and 1-ton Chevy pickups. Will 96 chevy impala 350 LT1 iron heads (casting # 10125320) work on my 1994 Chevy Silverado TBI 350? If not why not. 460 EDIT : Crazy that article used the EQ vortec replacement head. Essentially the vortec heads and LT1 heads are basically the same style head. Bare pair of LPE LINGENFELTER ALUMINUM CYLINDER head GM LT1 10125374 GM LT1 350 5. Will 96 chevy impala 350 LT1 iron heads (casting # 10125320) work on my 1994 Chevy Silverado TBI 350? If not why not. Thats with a 1. I am not running a vortec engine but I have a set of the vortec heads on a 355 engine in a circle track car. Putting these heads and an intake that matches the bolt pattern on a TBI motor is worth a 30-40 hp gain. This timing cover made provision for the CKP sensor that is used to receive an engine position signal from the 3x crankshaft reluctor. This is for one head only. This allowed higher compression ratios, resulting in more power and gas mileage, and reduced emissions. As such, the L31 head is compatible with all older small-blocks, and is a very popular upgrade. Not bad, I figured if it doesn't work out I'm only out $200. Modern valve seat cutting equipment can resize seats for larger valves with just slightly more effort than doing a regular valve job. The LT4 Intake port is 25cc larger than the LT1. Chevelle Cylinder Head, Vortec. Displacement is 5. LT1 (heads and cam etc. Also with the Vortec heads is it a good idea to get them studded or pinned to use with the larger than stock cam and valve springs?. In fact, if you're ready to replace a worn out or cracked cylinder head, you won't find a better product available anywhere. I used Megasquirt for fuel and ignition control. The main difference between the LS1 and LT1 engines is the material used in the block. LT1 vs LS1: Cylinder Block. 's parts are designed, intended, advertised and sold exclusively for installation on vehicles in compliance with state and federal law. VORTEC are great heads but dont have anymore laying around. Loosely based on the design of cast-iron SS Impala LT1 heads (which were based on the aluminum LT1 Corvette/Camaro heads), Vortec heads were introduced on the fuel-injected 350 V-8s destined for. Vortec heads will also require an intake manifold with a Vortec bolt pattern. Anyone ever use vortec heads with boosted setup? Discussion in 'LS1, LS2, LS6, LT1, SBC Turbo and other GM Specfic Turbo Tech' started by zrsnopro97, Dec 5, 2016. With a common, four-eyebrow flat top piston and a. 210cc SBC AFR Heads for high RPM 350 or race oriented 350-400ci applications. 1L Performance Parts Better Pulling Power, Economy & Performance. As I don't need to replace the short block and I have roler rockers, comp cam, JBA headers, the swear word K+N filter, dual exhaust, a 5 year old Hypertech Chip. Subscribe to our newsletter for the latest Dart news and updates. Choose the Camshaft or the Cam and 16 Performance Valve Springs GEN V LT4, and add the DOD/AFM Delete Kit. 300" long cam pin. They're essentially LT1 heads for a Gen 1 engine. Condition is For parts or not working casting pressure tested good. The Edelbrock #60985 E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 c. I bought a used LT1 intake off of e-bay for $200 including fuel rails. Chevelle Cylinder Head, Vortec. i found this on another site These 305 vortec heads are simular to the 350 L-31 heads but not the same. Home / Rocker Set's / Chevrolet / Small Block Chevy LT1 O. Any other casting numbers are not a "vortec" head. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. The DOD/AFM Kit Includes: 8 CBI Street Cars Gen IV/V Oil Block Off Plugs, Performance Gen V LT1 Head Bolt Kit,. Since 1999, replacing and upgrading stock Eaton 1. Until the mid-1970s, most General Motors brands designed and manufactured their own engines with few interchangeable parts between brands. Our new content-rich platform now features a blog with updated tech information, tips for successful stress-free installation, in addition to sharing customer experiences and the latest industry news. Summit White 2006 Chevrolet Silverado 1500 LT LT1 4D Crew Cab 4WD 4-Speed Automatic with Overdrive Vortec 5. heads went into production for the 1992 LT1 Vette. There are no coolant crossovers on the intake, coolant is routed through the back of the cylinder heads through a crossover tube. All LT1 heads use self-aligning rocker arms. 9L Whipple Charger, the systems produce nearly 50% more power and are 50-state emissions legal. Vortec Bowtie cylinder heads come with large valves, a thick deck surface and 66-cc combustion chambers. 305 Vortec head on 350 Discussion in 'LS1, LS2, LS6, LT1, SBC Turbo and other GM Specfic Turbo Tech' started by oldazzpickemup, Mar 22, 2011. (I'm running the big one at the moment) The cam is a Comp Cams LT1 unit, the chip is custom from Brian at www. Nothing can be done to those heads to improve their flow numbers enough to justify the work done to them. Catharines, Ontario and Romulus, Michigan. The exeption is that the LT1 has reverse water flow as well so LT1 heads would have to be re-worked seriouly to get them to work properly on a standard SBC. While the L98 and Vortec heads liked an 82 primary jet, the Fast Burn heads found best power with an 84. Non-LT1 heads can be made to work, but require welding and machining to make sure all holes line up and you get good flow. LT1 vs LT4 Intake Manifold Differences. 55" Exhaust This product may require vehicle validation(s) for proper fitment. 89 Gm Ls1 Fbody Corvette Dual Cooling Fan Harness + Pigtail Camaro Lsx Lt1 Tpi Fans. The cast iron Vortec head was in development six months longer than the aluminum head. 1998 GMC Sierra K1500 5. Texas Speed & Performance LT1/LT4/L86 6. Featuring 200cc intake ports and 54cc combustion chambers, 2. 3L Vortec 6. 7lt 1986 up alloy rear seal carrier $45. Idling through a Magnaflow cat back, this was a cam only swap, I used stock L31 valve springs, stock lifters, stock tune. The heads are equipped with 1. 5:1 rocker or even better ad some 1. 041-inch thick head gasket on a 350ci engine, the Vortec head will bump the compression to around 9. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. Below are several variations of our 383 Stroker Engines. SB FUSION MOTORS IS OFFERING UP THIS LOCALLY OWNED AND VERY WELL KEPT CHEVROLET SILVERADO WITH THE 5. Texas Speed & Performance LT1/LT4/L86 6. The raised intake ports of the vortec heads is one of the things that makes them better. HEADS READY TO GO GOOD SHAPE,FRESH - LT1 350 HEADS SBC , just bolt them on and go casting number # 12554290. As such, the L31 head is compatible with all older small-blocks, and is a very popular upgrade. The cylinder heads feature combustion chambers and intake ports very similar to those of the LT1 V8, but without the reverse-flow cooling. Browse our inventory of Heads today, while they still last!. > > base for the "Vortec" head. This assures you of the highest value and quality in cast cylinder heads for Chevrolet vehicles. What is the sequence for removing the head bolts. We offer LS / LT swap harnesses for all Gen 3, 4 and 5 LS / LT engines including LS1, LS2, LS3, LS6, LS7, LSA, LS9, Gen 5 V8, LT1, LT4 ,LQ4, LQ6, L99, Vortec variants - DOD, VVT, AFM. Engine codes for passenger cars. They require the use of a Vortec-style intake and self-aligning rocker arms, and come complete with valves, springs, and retainers. See our Cylinder Heads - Quality Performance Aluminum Street Heads. LT1 heads flow about 212 CFM and the LT4 heads flow about 240 CFM. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Gen II LT1 angle plug aluminum. Click on the link below and get the pulling power you’ve always wanted from your big block Chevrolet. Later LT1 and on LS1, Vortec 4. Ideal for 302- 406 c. I bought a used LT1 intake off of e-bay for $200 including fuel rails. Later ones have less material around the top of the intake ports and weigh about 2-1/2 lbs. View search results for lt1 heads and get Free Shipping on Orders Over $99 at Summit Racing! 1987 and later with cast iron cylinder Heads - non-Vortec, non-LT1. This allowed higher compression ratios, resulting in more power and gas mileage, and reduced emissions. GM LS1 engine from the Chevrolet Corvette C5 The 5. Late Model Engines, LME, specializes in high performance LS and new LT engine development. 510" lift or you can setp up to the ZZ4 cam with its 208°/221° duration at 0. heads went into production for the 1992 LT1 Vette. 8:1 compared to the 10. You would be better off with a pair of Vortec heads. That creates an 8. 12480005 - LS Small Block V8 2000 LS1, GTZ, aluminum, 38cc chambers,. Patterned from the design of the LT1 cylinder heads from the 1992-96 Corvette, the Vortec iron heads were first used on the fuel injected 1996 pickup truck RP0 Code L31. The new Gen-3 construction features aluminum block construction using 6 bolt mains and steel cylinder. The cast iron Vortec heads was one of the first to purposely integrate tumble instead of large swirl numbers in the design. Trick Flow Super 23® 195 cylinder heads for small block Chevy are a direct fit, high performance replacement for factory heads and accept most original accessories. We are always looking for new castings numbers. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. The cylinder heads feature combustion chambers and intake ports very similar to those of the LT1 V8, but without the reverse-flow cooling. Afe Power Hdr - $1,629. Adapts 2 1/2″ pipes to LT1 manifolds. The reason i'm asking is my sons car (96 Question 10128374 vs 10207643 Cylinder Heads - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums. The Vortec 5700 L31 (VIN code 8th digit "R") is a V8 truck engine. Vortec heads aren't plumbed like the non-Vortecs to pass coolant between the block and the heads. Welcome to Speier Racing Heads and the home of the VFactor line of cylinder heads! SRH has become one of the leading suppliers of properly designed powerful CNC heads. Vortec motors flow better and have a different head that resembles the lt1 motors. These are a cast-iron version of the reverse-cooling heads used on the 1990's LT-series engines. The dwell in our Dyna-Module has been increased electronically to provide the coil with additional saturation time. They have a combustion chamber that is more like the L98 TPI heads 081 and 083 cast iron. The engine will later be used in Camaros and will become a favorite of police officers in '94-96 Caprices with a top speed of 140 mph. The LS1 received a massive upgrade to the cylinder block. These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing (great for circle track applications) engines. Chevrolet Standard Shift Parts Interchange. Essentially the vortec heads and LT1 heads are basically the same style head.