Vortec Heads On Lt1

Displacing 5. 246 Available - RacingJunk Classifieds features & sells race ready Heads. LT1 LE1 heads consist of : Re-machined Stock Valves Crane Dbl Valve Springs (145 lbs seat and 370 lbs open) Steel retainers and locks 195 cc intake port milling, cleaning and assembly flow about 260/180 CFM assembled and ready to bolt on! $900 for LT1 LE1 heads. ===== took the motor I lost oil pressure on, 11. CAROLINA MACHINE ENGINES since 1984 has hand built and sold over 50,000 engines. (not aluminum LT1) That's right, no machine work required to set up a pair of these heads. All PATC performance torque converters are manufactured in-house. There are a couple of options for that. My project is going in a different direction and I don't need the motor. i believe they also have different alignment pins. For the best experience on our site, be sure to turn on Javascript in your browser. Subscribe to our newsletter for the latest Dart news and updates. I was also looking at LT1 cams because the guys over at www. 15 lb TBI pressure regulator is a good idea. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Production gasket for all Vortec-design cylinder heads (4-bolt attachment to cylinder heads P/N 12529093 and P/N 12558060) Requires the use of GM attachment bolt P/N 12550027, because the bolt has a ball design on the end that sits in the head so it will not crush the intake manifold gasket. always had good luck with the log type. The Vortec 5700 L31 (Vin code 8th digit "R") is a V8 truck engine. For the flow remember bigger is not always best. 3 L Vortec offering, the L33, marketed as the high output version, was reaching 310 horsepower and 335 lb-ft of torque. Manifolds are modified to bolt directly to all Small Block heads without the use of adapter plates! Our Modified LT1 Exhaust Manifolds are modified to match all SBC exhaust port openings. The Vortec 5700 L31 (Vin code 8th digit "R") is a V8 truck engine. I have some questions. Buick Head, Splayed Valve GM and Dart Buick Small Block, -uses "19" Prefix Buick made a small block cylinder head in the early 1980's which fits a small block. The LT1 is reverse flow cooled meaning the water flows through the heads first then the block, instead of through the block and then the heads as is standard. afr may have worked with gm on the 92-97 LT1's but not the vortecs. This suburban is even more budget than my budget vortec truck was. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Gen II LT1 angle plug aluminum. These heads were only used on a few models of Vortec truck. 00 OBO show contact info LS1, Chevy Truck, LT1, Motor, Engine, do NOT contact me with unsolicited services or offers. The new Gen-3 construction features aluminum block construction using 6 bolt mains and steel cylinder. 7L Vortec heads - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Crower builds performance racing parts from camshafts to crankshafts. 470" by retainter to guide clearance, and poor/weak valve springs. ===== took the motor I lost oil pressure on, 11. edit: more detail, crate came with everything on lower end, we used my intake, injectors, exhaust manifolds etc (305 and 350 vortecs were the same only bigger cylinders and bigger ports in the heads on 350) Edited September 22, 2011 by Loslam. Want to get detailed and technical? We speak your language. 7 LT1 camshaft installed. The production-based iron Vortec head represents one of the best budget investments for power for the small-block Chevy. All PATC performance torque converters are manufactured in-house. To the Right are pictures of Our Stand Alone Vortec 8100 (RPO L18) is a V8 Truck engine. High-performance efforts have always begun by improving upon what the factory built, and the smallblock Chevy is the poster child for that effort. The LS based small-block engine is the primary V-8 used in General Motors' line of rear-wheel-drive cars and trucks. Chevy Small Block Intake Manifold, Vortec Head Design (Dual Pattern Carb Mount) $381. 5 LS/LT, Vortec/EcoTec3 Engines Posted by OnAllCylinders Staff on April 5, 2018 at 2:42 pm Introduced in the 2014 C7 Corvette, the all-new LT engine series is the latest iteration of the GM V8. The biggest hurdle is accommodating valve lifts above. 025" in the hole at TDC. Gen II reverse flow cooling system and intake manifold flange. The 350 horsepower rating for the Vortec 5700 means you won’t get left at a stop light. This change became known as the Vortec series and resulted in significant power increases. A wide variety of classified ads Buy, rent, sell and find anything - 2002 chevrolet silverado 2500s listings. As such, the L31 head is compatible with all older. 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 cylinder heads were redesigned in terms of the casting quality of the valve bowls and runners and the ports were moved slighly. 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. Features include fast burn combustion chambers, and a high-velocity LT1 port design. 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 Gen V 6. The 1996 Caprice/Impala heads outflowed the Corvette Aluminum LT1 heads by as much as 20 cfm on the intake side. But, I have a 97 LT1 that I can drop rite in If I put the GMPP LT1 carbed intake on it. Looking to get 88 s10 and swap and LT1 into it anyone who has done before what advice can on give me. Vortec heads were designed based on the 1996 Caprice 9C1/Impala SS LT1 cast-iron head castings. Has anyone experience in ignition timing the L31 350? I used to have a L31 350 in my old 96 Suburban. Vortec heads have become the basics for many TBI project vehicles and for good reason. 00: AMS Racing Stage 1 Built 4 Boost Gen III 6. This is a discussion on vortec heads on a 305 within the Classic Muscle forums, part of the Vehicle Specific category; my buddy is throwin together a 305 probly gonna be bored. The L31 Vortec head can be used on any SBC engine from 1955 through the end of Vortec production, with the exception of the Gen 2 LT1/LT4 engines used in some vehicles between 1992-'97. A wide variety of classified ads Buy, rent, sell and find anything - 2002 chevrolet silverado 2500s listings. They have a combustion chamber that is more like the L98 TPI heads 081 and 083 cast iron. Installed Height: 1. I'm unsure if the heads can be used with a regular water pump or if they were designed to specifically work with the reverse flow. The first generation that started it all in 1955, remained in effect until 1992, when the second generation (LT1) was released. PSI specializes in the design and manufacture of Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. 0L Long Block w/ CNC Heads. 3 Vortec heads so if you had a choice which engine would you go with, the LT1 from a 95 Camaro/ Firebird or a LT1 from an Impala with Iron heads, or the lighter 2000 5. Browse our performance Chevy crate engines below. 02cc combustion chamber. Chevelle chevy. All cast iron components are magnaflux to guarantee integrity. Whipple Superchargers is owned and operated by its founder Art Whipple and is located in Fresno, CA. LT1 vs LT4 Intake Manifold Differences. I asked more people, still no. 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. This may be all you need for clearance and a Vortec will fit in your car. reguardless ive heard you can use them on a gen 1 block tho. Swap Vortec 5. The LT1 alum. Iron does outflow aluminum, so nothing to gain here over a Vortec head. 06-24-07 05:51 AM - Post# 1192904 I'm getting ready to assemble an engine and use a set of Vortec heads for a footbrake bracket car. Crower builds performance racing parts from camshafts to crankshafts. The Vortec 5700 L31 (Vin code 8th digit "R") is a V8 truck engine. Including a Large Selection of New, Used and Surplus Engines for Sale. However, Vortec heads have an 8 bolt inatke manifold that is different. vortec heads on a 305. The foundation of our engine build makes use of our factory LT1 block and cylinder heads, albeit they have been modified for our build. High-performance efforts have always begun by improving upon what the factory built, and the smallblock Chevy is the poster child for that effort. So stay around. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. 470" by retainter to guide clearance, and poor/weak valve springs. They share many similarities with older heads, but have intake ports that are slightly larger–170cc versus 160cc. This engine was primarily created for work purposes and was very popular among people who needed that kind of power. Crankshafts are ground and polished to an 8-12 RMS finish. The Vortec requires a Vortec style intake manifold due to its improved manifold mounting flange and gasket design and raised intake ports. Design & Developed by Informatics Commerce. If anyone can recommend which one to use as there's a few different types I will be stroking to motor later on so I won't one that will work both now and after I stroke it. 7 vortec heads Save 5. It displaced 5. I was thinking along the lines of maybe intake manifold and/or heads. Joseph Mendez, Tech Editor for Lowrider Scene Magazine, beautifully engraved a small block Chevy 5. A friend of mine has a set on a 355 in a Fox Body Mustang. Same car I got another motor, all the same parts, did not port the heads, used an LT1 cam from a cop car. This assembly is also called “the rotating assembly” or “the bottom end”. American Cylinder Head specializes in gas and diesel cylinder head remanufacturing and repair for all makes and models. Get in touch with Black Bear Performance to get it tuned. The heads on the iron LT1 are virtually identical to the L31 Vortec. Whipple Superchargers is owned and operated by its founder Art Whipple and is located in Fresno, CA. 3 Vortec Performance Specs. (He didnt do his research) the clapped out lt1 turned out to have aluminum heads so i sold those to junked the rest of it. 37" stroke/4. 163 Dome, 6. Is the investment in new heads worth it? Clean new heads are always a nice choice for "peace of mind" if the pieces are affordable within your. It is designed to complement the volume of the. 1997 Silverado 4WD, vortec 305, the crate was vortec 5. we put one together in a dished piston 350 with stock vortec heads a comp 268 hyd. The LS1 received a massive upgrade to the cylinder. Allied Motor Parts has over 150 years of experience of remanufacturing automotive and light truck cylinder heads. The Vortec TPI base manifold was designed from the original GM TPI intake to be a universal fit for Chevrolet/Pontiac cars (1985-92) that were equipped with factory Tuned Port Fuel-Injection and the. 3 Vortec heads so if you had a choice which engine would you go with, the LT1 from a 95 Camaro/ Firebird or a LT1 from an Impala with Iron heads, or the lighter 2000 5. GM claimed that the original LT1 aluminum head had a 15% increase in airflow as a result of revised port angles and higher port ceilings when compared to the 1991 L98 head. All these engines have the Vortec 350 L31 iron cylinder heads installed. There were sacrifices made by gm in order to increase durability, longevity, and emissions. It takes major water passage modifications to run SBC heads on an LT1 engine and visa-versa. The L31 Vortec head can be used on any SBC engine from 1955 through the end of Vortec production, with the exception of the Gen 2 LT1/LT4 engines used in some vehicles between 1992-'97. Without having ever done much vortec research, from my limited understanding the Vortec uses a head design based on the success of the LT1. The heads were combined with a truck-oriented Fast LSXRT intake and matching 102mm. "202" refers to the intake valve diameter of 2. At LS1Truck specializing in performance trucks, 6. 210cc SBC AFR Heads for high RPM 350 or race oriented 350-400ci applications. Torqued to 10ft lbs. These value-priced cast-iron cylinder heads use modified combustion chambers and high-velocity port technology to provide improved performance. Small Block Chevy People told me it won't fit. With a common, four-eyebrow flat top piston and a. 05 valve locks in there. Save chevy lt1 cylinder heads to get e-mail alerts 12 product ratings - ARP 12 Point Cylinder Head Bolt Set sb Chevy 400 350 327 305 283 LT1 LT4 Vortec. Not off a daily driver. This is due to the Vortec bolt pattern being way too high on the head for the intake. The vortec is roller If your want to go bigger on the cam, keep in mind the vortec heads or lift limited to. A set of aluminum heads for a L98 350 Vette 87-91 works well as well as the vortec 062/906 350 heads. When the LT1 started being used in B-body cars (late 93), they made an iron head for it and the ports flowed so nicely they copied them for the Vortec. 7 and 4l60E transmission and only have one motor I can put in it, it's a 1995 chevrolet corvette 5. It is the last production Generation I small-block from Chevrolet. Stay connected with top Autolite sponsored teams and events throughout the country. 1188 or check out Dart's technical FORUM. I ask because I got a decent deal on a comPlete 96 front setup but with a used sensor. 050" and lift of. You need to swap your BLACKBOX Vortec 96-97 PCM for a 411 PCM and use a base calibration file for a 2001-2002 GMC Savana or CHev Express van as these vans used teh older Vortec 305,350 and were conrolled by the 411 PCM. Center dump and rams horns do not work with the Vortec heads. The Vortec 5700 as it was known, was based on the first generation Chevrolet small block (350 cubic inch) and was available from 1996 through the 2000 model year. I just repaired myself using Edelbrock intake gaskets, a local Chevrolet Dealers recommendation and GM gray silicone. I'm going to assume when you say LT1, you mean that you have heads of an early 70's LT1 and not a gen 2 92-97 LT1. Including a Large Selection of New, Used and Surplus Engines for Sale. Hi guys newbie here, I'm looking at putting a vortech supercharger on my fuel injected 350 chev vortec motor dont no anything about blowers never had one before. It is not designed, however, to work on any reverse coolant flow "Gen II" applications such as LT1 and LT4, nor can it be used with the Gen III and IV LS-series V-8s. It’s based on a combination I’ve built many times, intended for use with a centrifugal blower such as a Vortech S-trim or T-trim, or a Procharger P-600 or D-1. The 350 horsepower rating for the Vortec 5700 means you won’t get left at a stop light. 030-inch-diameter pistons. The Vortec 2200 (RPO codes L43 and LN2) is a OHV straight-4 truck engine. DFW or FLW Files A Package of more than 2925 flow files for use with Dyno simulation programs. Board Announcements. 00: AMS Racing Stage 1 Built 4 Boost Gen III 6. The heads fit 1955-on small-blocks, except the later LT1/LT4 due to the reverse cooling system, but do require a Vortec-specific intake. 5:1 rocker or even better ad some 1. An easy way to gain 20-40 horsepower on any 1955 and newer Small-Block Chevrolet V-8 (except later-style LT1/LT4 engines with reverse-flow cooling) is by installing a set of Vortec cylinder heads. Camaro/Firebird GM Performance Vortec Cylinder Head Assembly, Cast Iron, 64cc. 5 based on 8 Reviews "Great product! Won 6 out of 11 features, and. I used Megasquirt for fuel and ignition control. This is a discussion on Lt1 heads within the LT1 forums, part of the Vehicle Specific category; Vortec heads can be had for like 500$ new for a pair. I bought a used LT1 intake off of e-bay for $200 including fuel rails. Since even mild performance cams stretch the valve-lift envelope into the 0. 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. Manifolds available are P/N 12366573, 12496820, 1249621, 12496822 & Edelbrock 2116,7116,7516,2913. The Gen V 6. The Vortec 5700 L31 (Vin code 8th digit "R") is a V8 truck engine. 2L) marine engines. Emissions legal systems are available from Jims Performance COMPLETE Bolt On Systems. A lot of people think the 305 heads will make more power on a 350 because the cc of the combustion chambers are smaller. Chevy small block gen 1 and gen 2 (lt1)?? June 23rd. The engine has a cast-iron block and aluminum or cast-iron heads, depending on which car it is in. 0 Rod made by Icon Pistons, for as low as $549. GENERAL MOTORS TECHNICAL INFORMATION Engine Types | General Tips. Since even mild performance cams stretch the valve-lift envelope into the 0. Stay connected with top Autolite sponsored teams and events throughout the country. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. 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. Is the investment in new heads worth it? Clean new heads are always a nice choice for "peace of mind" if the pieces are affordable within your. The L98 heads also preferred 35 degrees of total ignition advance. AFR's 190cc Vortec Street heads are the preferred choice over reworked factory heads. This may be all you need for clearance and a Vortec will fit in your car. 7 Vortec are essentially the same engine with the same displacement. 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?. 7 liter lt1 motor with tbi. An overflow tank is necessary to ensure there is no air in the system. Then, in 1997, the third-generation small block was released. Performance Parts Lt1 Performance Parts is a brand-new LT1 V-8 that fea-tures aluminum cylinder heads. The LT1 used a reverse-flow cooling system which cooled the cylinder heads first, maintaining lower cylinder temperatures and allowing the engine to run hotter using more compression than its earlier designs, thus producing more power. The vortec head was designed by the same guys that did the LT1 and LT4, one of which was a former GM winston cup head engineer for over 10 years, he's back at GM Racing doing race heads again. I am aware the LS1 is pushing more horsepower because it is a 350, but the torque of the LS1 is less than the torque of the Vortec. LPE offers packages for 2009-1997 Corvette C6 ZO6, C6 LS3, C6 LS2, C5 LS6, LS1, Cadillac CTS-V, Chevrolet SSR, Pontiac GTO, 1992-1996 Corvette LT1, LT4, LS1 & LT1 Chevrolet Camaro, Impala SS, Pontiac Firebird, Cadillac Escalade, GMC Denali, Sierra & H2 Hummer & Dodge Viper. 025" in the hole at TDC. org said they would make a good truck cam. So far it's run a best of 11. Then, in 1997, the third-generation small block was released. These value-priced cast-iron cylinder heads use modified combustion chambers and high-velocity port technology to provide improved performance. You can get alot of the advantage of an LT1 in your earlygen sbc by using the 5. 1188 or check out Dart's technical FORUM. 5:1 depending upon the deck height. The opti goes away when you use a LT1 to carb intake. The Latest in State of the Art Cylinder Heads and Intake Manifolds for Racing and Street Performance. I was also looking at LT1 cams because the guys over at www. Manifolds are modified to bolt directly to all Small Block heads without the use of adapter plates! Our Modified LT1 Exhaust Manifolds are modified to match all SBC exhaust port openings. It is a redesigned Chevy Big Block Engine and was introduced with the 2001 full size Trucks. with normal cooling jackets. Trick Flow products perform as advertised and exceed customer's expectations for performance and value. It's would be much easer to find a set of vortec heads, they have the same basic port design. An easy way to gain 20-40 horsepower on any 1955 and newer Small-Block Chevrolet V-8 (except later-style LT1/LT4 engines with reverse-flow cooling) is by installing a set of Vortec cylinder heads. Our head units and air-to-air intercoolers, create supercharged monsters ranging from 600HP to 1,200HP. 0 lq9 vortec engine,ls1,ls2,ls3,l92,ly6,l96,lsx,lt1,swap for sale also known as the generation 3 small block iron block and aluminum heads and. Small Block Chevy People told me it won't fit. VORTEC CYLINDER HEADS An easy way to gain 20-40 horsepower on any 1955-and-newer Small-Block Chevrolet V-8 (except later-style LT1/LT4 engines with reverse-flow cooling) is by installing a set of Vortec cylinder heads. Some of the heads with large flows and big runners are not going to be good street heads, since they will have slow flow through the runners at street rpm. The massive size led to high fuel consumption, which was likely one of the key contributors to this engine being replaced by the small block 6. Same car I got another motor, all the same parts, did not port the heads, used an LT1 cam from a cop car. No, the Vortec heads came out in 87' & they ARE the center bolt headsthey are diff from the LT1 heads, but are the same head used today. 041-inch thick head gasket on a 350ci engine, the Vortec head will bump the compression to around 9. I actually went through several lists and made some corrections before making this list. I'm unsure if the heads can be used with a regular water pump or if they were designed to specifically work with the reverse flow. Just make a plate to mount an electric water pump to pump water through the heads via -10 an through the front of the heads where the steam plugs would be and return the water through the normal block pump mount into a thermostat housing and return to radiator. However, the LT1 is not Flex Fuel capable (E85). 563, OEM vortec it's more like. The engines also use direct fuel injection technology, which shoots fuel directly into the combustion chamber instead of the intake runner. The heads have undergone only minor revisions since their introduction in 1997 , most notably a switch from perimeter to center valvcover bolt. Since LS and Vortec engines are so common, they’ve become the go-to performance and swap engines of the modern era. Iron block and heads, total engine weight is over 750 lbs. To the Right are pictures of Our Stand Alone Vortec 8100 (RPO L18) is a V8 Truck engine. 50" exhaust valves, with pressed-in 3/8" studs. Chevrolet LT1 6. Afr Small Block Chevy 195cc Lt4 Street Heads 1039. So, increase airflow through the engine by any means and you improve power. Will not fit 1984 to present Corvette due to rack and pinion clearance problems. Free shipping when your order includes this part. The Vortec 5. Founded in 1978, Cam Motion has a long history of helping racers win major championships at the highest levels of racing. 2002 chevrolet silverado 2500s in Venice, Florida at AmericanListed. New and Used Car and Truck Parts and Accessories On Sale 400 350 327 305 283 Lt1 Lt4 Vortec. The engines also use direct fuel injection technology, which shoots fuel directly into the combustion chamber instead of the intake runner. The extra material over the port is to seal the smaller LT1 intake ports to the larger LT4 head ports. 3 Vortec Performance Specs. Features include fast burn combustion chambers, and a high-velocity LT1 port design. LT1 heads are there own being. Maxflow Fuel Pump Boosters, Ford Mustang Plug And Play Packages. The Fast Lane Truck 720,771 views. Locate Aluminum Vortec Heads on sale below with the biggest choice of Aluminum Vortec Heads anywhere online. Find Summit Racing® Vortec Cylinder Heads SUM-151124 and get Free Shipping on Orders Over $99 at Summit Racing! Are you looking for a good set of heads to up the performance factor of your Vortec engine?. In MILD trim with decent heads and a small hydraulic roller cam they'll typically dyno in the 520 - 530 HP area and a whopping 540 - 565 Ft Lbs of torque area, which is why you really need to run a main support on something like that if a 4 bolt block isn't available. We have triple clutch converters for the Ford Power Stroke Diesel, Allison 1000 and Dodge Cummins Diesel. [Looking to upgrade your LS1 engine?. These are ready for your valve train! This is a NEW bare SET of 350 vortec cylinder heads. LT1 vs LT4 Intake Manifold Differences. GM made repair once under warranty. This change became known as the Vortec series and resulted in significant power increases. 6L 3v engines may require the use of a Throttle Body Spacer(Sniper Part # 860006) to allow full range of motion for the throttle cable bracket. Browse tons of trans am available on sale online. LPE offers packages for 2009-1997 Corvette C6 ZO6, C6 LS3, C6 LS2, C5 LS6, LS1, Cadillac CTS-V, Chevrolet SSR, Pontiac GTO, 1992-1996 Corvette LT1, LT4, LS1 & LT1 Chevrolet Camaro, Impala SS, Pontiac Firebird, Cadillac Escalade, GMC Denali, Sierra & H2 Hummer & Dodge Viper. $1200 for LT1 LE1 heads and any custom billet cam mentioned above. COMP Cams® LT1 and LT4 Magnum rocker arms can be found on page 268. The main difference are CAM and INTAKE. 0L Vortec CSFI V8 L30 Vin M. Joseph Mendez, Tech Editor for Lowrider Scene Magazine, beautifully engraved a small block Chevy 5. A wide variety of classified ads Buy, rent, sell and find anything - 2002 chevrolet silverado 2500s listings. Engine blocks are precision bored, decked and honed to the specified RMS. My LT1 engine has brass freeze plugs in it, so you may not have to change the plugs in your block. LT4 intake ports are raised, and use different cylinder heads and intake port gaskets. Due to the EU’s Global Data Protection Regulation, our website is currently unavailable to visitors from most European countries. 7L Vortec Crate Engines. Yeah guys run all sorts of SBC heads on LT1's, RR 23° heads, 18°, 15° and SB2. Inboard Marine Engine Center This remanufactured engine site has inboard longblock engines, turnkey engines, performance engine upgrades below and general information at links above. I'm unsure if the heads can be used with a regular water pump or if they were designed to specifically work with the reverse flow. Emissions legal systems are available from Jims Performance COMPLETE Bolt On Systems. Cylinder Head ID. 7l LS1 - (340-360 horsepower stock) (340 lb-ft of torque at about 4400 rpm). 2 Liter V8 Small Block LT1 Engine. LT1 intakes do not have any water crossover passages at all. Allied Motor Parts sells 96-02 Chevy 350 5. 20+ Years of experience in building, tuning and racing high performance vehicles. 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. Remanufactured Chevy Smallblock Engines. Worthless tidbit of information: The vortec's intake port is a direct copy of the LT1 iron head. I've recently begun shopping for a 1998 5. 3 Vortec heads so if you had a choice which engine would you go with, the LT1 from a 95 Camaro/ Firebird or a LT1 from an Impala with Iron heads, or the lighter 2000 5. Idling through a Magnaflow cat back, this was a cam only swap, I used stock L31 valve springs, stock lifters, stock tune. 1188 or check out Dart’s technical FORUM. 7 for LT1? Control with 411? It was never about the weight, rather the heat dissipation, as the Vortec heads flow a close 2nd to the LT1 heads. i believe they also have different alignment pins. Subscribe to our newsletter for the latest Dart news and updates. 12558060_ - Cast Iron Vortec Cylinder Head Assembly _ _ _ This production Vortec iron cylinder head was first used on the 1996 pickup truck RPO L31 with fuel injection. (not aluminum LT1) That's right, no machine work required to set up a pair of these heads. So, increase airflow through the engine by any means and you improve power. Our Vortec kits are engineered specifically for Iron Vortec & 96 Iron LT1 heads. Center dump and rams horns do not work with the Vortec heads. You may have noticed other sellers using a similar name offering similar products. whaT do you guys think would be best. 500" valves from the factory and the stock valve springs are compatible with a maximum valve lift of up to 0. Production gasket for all Vortec-design cylinder heads (4-bolt attachment to cylinder heads P/N 12529093 and P/N 12558060) Requires the use of GM attachment bolt P/N 12550027, because the bolt has a ball design on the end that sits in the head so it will not crush the intake manifold gasket. America’s favorite high performance cast iron small block cylinder head offers big power and bigger value. That repair lasted about 15,000 miles. LUNATI BOOTLEGGER XXX08232HR LK 1987-UP CHEVY 5. whaT do you guys think would be best. 00: AMS Racing Stage 1 Built 4 Boost Gen III 6. Im not trying to put LT1 heads on a gen 1 block. The main difference are CAM and INTAKE. The original 5. The Gen V 6. Just make a plate to mount an electric water pump to pump water through the heads via -10 an through the front of the heads where the steam plugs would be and return the water through the normal block pump mount into a thermostat housing and return to radiator. Designed for 1992-1997 LT1 and LT4 small block Chevy engines. re-manufactured heads on it. 4-350-3750-5700-l Sb Chevy Lt1 Vortec 383 Scat Stroker 4340 Forged Crankshaft. 3 liters in a V8 configuration, the. 2L crate engine is now available. Quick View. 01" of the pin is extended from the front of the camshaft, The same as in the production part. All PSI Harnesses are Made in the USA. Displacement is 5. These engines featured aluminum heads, reverse flow cooling (cooling the heads first, in lieu of the block), and advanced electronic controls. 05 valve locks in there. 026" steel head gasket, same cam set of Dart heads, it ran batter but not a whole heck of a lot. No Questions Asked. LPE offers packages for 2009-1997 Corvette C6 ZO6, C6 LS3, C6 LS2, C5 LS6, LS1, Cadillac CTS-V, Chevrolet SSR, Pontiac GTO, 1992-1996 Corvette LT1, LT4, LS1 & LT1 Chevrolet Camaro, Impala SS, Pontiac Firebird, Cadillac Escalade, GMC Denali, Sierra & H2 Hummer & Dodge Viper. the vortec heads are really just iron versions of the LT1 alum heads. Introduced in January 1995, it is a "clean sheet" design with only rod bearings, lifters, and bore spacing in common with the longstanding Chevrolet small block V8 that preceded it as the basis for GM small-block V8s. You can get alot of the advantage of an LT1 in your earlygen sbc by using the 5. Fits: 88 up SBC including Vortec, LT1 and other Purchase quantity 1 for 16 valves, eight intakes and eight exhausts. Sbc Vortec Heads Springtime and also summertime is a time of modification and also clean slates. CHEVY 350 LT1 Engine 96-97 camaro & firebord 2 bolt main Remanufactured and Rebuilt Engines for Cars and Trucks. Once you’ve found the cylinder heads that are right for you, shipping in the lower 48 is fast. 2L direct injection engine is one of GM's latest offerings. Our user id is: skipwhite, and our store name is whiteperformance1. Don't go larger than 1. 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. Starting in 1996, on several GM trucks and vans, the L31 Vortec heads came on the scene. The 305 vortec heads aren't vortec's at all and the 350 vortecs leave the compression on the low side.