It is intake manifold. The stock 8. Is an intake manifold an important part of a performance LS build? The answer is, obviously, yes. May also be used on Vortec or 1995-Earlier blocks with Vortec pattern cylinder heads. This manifold is primarily intended for use with Vortec heads on pre-1996 engine blocks. 7L L31 Tech Specs. The base gasket material resists coolant, gasoline, alcohol and oil. 1 of the easiest fixes is to do a marine intake conversion which will make it a true mpfi system. It does, however, require a specific intake manifold (A 5. 1L / 496cid Intake Manifolds. Here is a quick tip on improving fuel economy and efficiency while replacing those pesky intake manifold gaskets on the Chevy Vortec 5. small-block Chevy engines operating in the idle to 5500 rpm range. 3 L 5300 LM7. At 60 psi, teh stock Vortec popets flow 22. Bargain prices on 1 Pulley now!. Buy JEGS 513002 Intake Manifold Small Block Chevy with 1996-Up Vortec L31 Cast Iron at Walmart. AutoZone Repair Guide for your Engine Mechanical Specifications Torque Specifications. Ramjet on an L31. Presenting 5. 7L E-coat MPI Indmar intake manifold. This manifold is primarily intended for use with Vortec heads on pre-1996 engine blocks. They're designed for street rods, marine applications, and a host of engine swaps using small block Chevy V8s with 1997 and later Vortec cast iron heads. The (commonly accepted) Goodwrench rating of 260/350 was achieved with headers, free flowing exhaust, and a performer intake. 0L/305ci & 5. If you are good with a shop or have all the tools you can convert a Vortec TBI intake to MPFI, or even use the RamJet manifold. Chevrolet Performance 12496820 Vortec Head. Small Block Chevy with 1996-Up Vortec L31 Cast Iron Head. Com and get Free Shipping This is our intake manifold of choice for Small Block Chevrolet Engines running the Sniper 4150 EFI System or similar throttle-body injected fuel injection systems. While some aftermarket heads have both 12 and 8 bolt intake bolt patterns, the height of the Vortec ports require a tall, "raised port" type early intake manifold (along with porting/port work to the intake manifold and/or head), to even come close to fitting correctly. you can convert your Vortec to carb quite easily. Founder and president Art Whipple has always been regarded as a true innovator and enjoyed a very successful racing career as crew chief and owner of Top Fuel Funny Cars and Dragsters, as well as many other forms of racing such as circle and drag boats. Weiand Stealth Hi Rise Dual Plane Intake Manifold. This manifold is a perfect performance upgrade for Mercruiser and Volvo engines with both two and four barrel carburetors. Multi-port intake manifold and throttle body unit, includes TPS and IAC control Fuel rails, fuel pressure regulator and fuel injectors matched for your particular application Tach filter, for electronic ignition systems, EFI distributors available for some applications. 7L with non/EGR Vortec L31 Cylinder Heads with Small Block Engine 1997, Street Warrior Series Satin Intake Manifold by Weiand®. However, a standard small-block Chevy intake can be modified to work. Over 6,000 Automotive Torque Specs. There are 3 different LT1 intake manifolds, 92-93 LT1, 94-97 LT1 and 96 LT4. True when you're getting into big HP applications you do need to make some changes like an intake/injector swap such as the Marine Manifold you mention in line 5 which will run you 80 bucks for the computer and 500-700 for the intake plus your labor to install. Chevrolet Performance Parts - 12496821 - TBI Intake for Vortec Heads. Dual-plane Performer Vortec intake manifolds are based on Edelbrock's popular Performer series. We had added a custom intake tube that runs to dual UMP filters because this truck sees extra-dusty conditions on a regular basis. Presenting 5. Smooth and blend, but do not remove them,Usually, these manifolds like a one or two inch OPEN spacer under the carb, for best performance. 7L 350 Vortec Chevrolet GMC Pickup Suburban Tahoe Yukon Lower Intake Manifold-THIS IS A USED LOWER VORTEC INTAKE MANIFOLD FOR THE 96-00 CHEVROLET, GMC 350, 305, V-8 ENGINE. The 94-97 LT1 and LT4 intake manifolds appear the same from above, all LT4 intakes are powder coated red from factory, but the difference is in the intake ports. Chevrolet Performance Carbureted LT1 Intake Manifolds 24502592. Weiand 8150BK Speed Warrior Intake Manifold Description: Non-EGR - Power Band 1500-6700RPM - Sq. If your performance budget is limited, then I'd suggest using stock L31 Vortec heads, an Edelbrock Vortec TBI intake manifold. 7L Vortec 350, casting number 17090632 - $99. The throttle body attaches to the upper manifold. Weiand Stealth Hi Rise Dual Plane Intake Manifold. Performer RPM Vortec intake manifolds are based on Edelbrock's highly successful Performer family. Chevy V8's with 1996 and later Vortec (L31) cast iron or the Edelbrock E-Tec aluminum heads. Available for plain or polished. EFI Intake Manifold non\/EGR 262ci-400ci, with Vortec (L31) Cylinder Heads CALL US NOW: (800)341-1528. Browse our inventory of Intake Manifolds today, while they still last!. Buy JEGS 513002 Intake Manifold Small Block Chevy with 1996-Up Vortec L31 Cast Iron: Intake Manifolds - Amazon. com offers the lowest price and fast delivery for genuine 1998 Chevrolet P30 Intake Manifold & Throttle Body. First of all, the LS1 intake manifold is designed for the cathedral port heads (LS1, LS2, LS6, and truck heads). It's based on the original Winters aluminum high-rise, dual-plane intake manifold that was used on the Z-28 302 Chevy motor. The RPM Air-Gap manifold delivers outstanding performance using the same air-gap technology found in our race-winning Victor manifolds. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. To do this, the intake valve opens to draw gas and air into the engine. A Vortec engine can be identified by having only 8 Bolts that hold the intake. Check to make sure all of the intake manifold bolts can be. if you dont need egr for emmisions, the swap just became that much easier as it can be tuned out. On applications with Vortec cylinder heads, torque all of the manifold bolts in two steps by the sequence shown in Figure 3 to 11 ft/lbs Figure 2 - Pre-1995 Manifold Bolt Torque. 7 and 95 up for the 4. Find 1 Pulley for less on our site or store. This manifold offers the same awesome top-end horsepower, throttle response and advanced design features as Super Victor #2925. 145 Available - RacingJunk Classifieds features & sells race ready Intake Manifolds. 7L L31 Features & Specifications 5. Performer RPM Vortec intake manifolds are based on Edelbrock's highly successful Performer family. Intake Manifold Tuning Valve; Intake Mass Air Flow; Intake minus Output; intake pressure; Intake Release Center;. The RPM Air-Gap manifold delivers outstanding performance using the same air-gap technology found in our race-winning Victor manifolds. These heads will accept either conventional or Vortec type intake manifolds, they are drilled and tapped for both types. Marine intake right/stock L30-305/L31-350 truck/van intake, and left is GM/Mercruiser crossram marine intake. Chevy V8s with 1996 and later Vortec (L31) cast-iron or the new Edelbrock E-Tec aluminum heads. Autozam was a marque of Japanese automaker Mazda, specializing in small cars and Kei cars; many of which were rebadged Suzuki models. • Designed for 283-400-cubic-inch e. The LS1 and LS3 intake are somewhat similar but have quite a few differences. Check here for special coupons and promotions. where i'm going with this is the tuning side of it, iv'e adjusted my injector data for the oem gm 6. B/c if it is a high-rise Q-Jet intake, it should be a dandy, AND even if it is a stock old-fashioned cast-iron Q-Jet intake, it still will run good on the little motor, imho. Make sure all of the surfaces are clean. The 1985-86 intake manifolds will fit the older small block heads without modification. I did my intake manifold gaskets last fall on my '98 5. This kit may be purchased as a stand alone harness or built into an engine wiring harness. Payment Options. Ed Treijs wrote: The wires going to the round connector which lies on the intake manifold behind the throttle body had brittle insulation and were showing bare spots when I got the car. The engine in the car is a HDT 5 litre from a base model VK SS with B cast heads, 955 manifold and matched Rochester. Chevy V8's with 1996 and later Vortec (L31) cast iron or the Edelbrock E-Tec aluminum heads. Increased power for your 1996 to 2000 350ci Chevy Vortec 5700 V-8 engine. Torque all of the manifold bolts in two steps by the sequence shown in Figure 2 to 25 ft/lbs. You should be able to find a pic of the individual intake manifold gaskets on Google somewhere. Can anyone tell me why I cant order up a Ramjet 350 intake manifold, buy proper sized fuel injectors, wire up the injectors, plumb fuel to the ramjet rails, wire up the said injectors, get a computer recalibration performed and then cam the hell out of my L31. EFI Intake Manifold non/EGR 262ci-400ci, with Vortec (L31) Cylinder Heads. So I've done a bunch of research on throwing an L31 Vortec motor (96+) into a 95 OBS and bolting up the GM Performance manifold that converts the standard TBI to the Vortec heads. Manifolds and manifold systems may be comprised of a number of additional features which are important for certain applications. 3L Engines 1996-98 MODELS. Intake manifold is secured to heads with 8 bolts. This system fits under your stock upper intake with no visual changes when fully assembled. Smooth and blend, but do not remove them,Usually, these manifolds like a one or two inch OPEN spacer under the carb, for best performance. i have to put a new head to intake manifold gasket in my 98 305 gmc. Used on some engines to measure air temperature in intake manifold. Engine fuel intake manifold. However, a standard small-block Chevy intake can be modified to work. Aluminum Performance manifold for 5. small-block Chevy engines operating in the 1500-6500 rpm range. 7L, 350 CI L31, Vortec engine has eight bolts attaching the intake manifold or four per head, as opposed to the traditional six bolts per head twelve in total found on older Chevrolet small blocks). C-26 Dual-Quad manifold #5426 is designed for Chevy V8s with 1996 and later Vortec (L31) cast iron or the Edelbrock E-Tec aluminum heads. The best out-of-the-box head for the money! Excellent flow produces broad torque and killer power. The Edelbrock Performer Vortec #2116 will accept a Q-jet without an adapter. Designed for swapping Vortec heads onto TBI engines and is EGR compatible. Founder and president Art Whipple has always been regarded as a true innovator and enjoyed a very successful racing career as crew chief and owner of Top Fuel Funny Cars and Dragsters, as well as many other forms of racing such as circle and drag boats. The LM7 is a 5. Designed specifically to enhance the performance of the Vortec cylinder heads (also known as L31), the #2913 is the most powerful intake available for these Chevy production heads. Intake manifold design is geared toward the end usage, whether that is a street performance engine or an all-out competition application. A subsequent examination of the FSM reveals that the two ground wires for the logic module pass through this connector. These Cyclone intake manifolds from Professional Products are designed to fit engine swaps using the 1996 and later Vortec cast iron heads or the Edelbrock E-Tec aluminum heads. Based on the powerful Performer RPM Vortec #7116, this single four-barrel intake is designed for 262-400 c. The manifolds will accept either square-bore or spread-bore carburetors and produce power from idle to 5,500 rpm. 3 L 5300 LM7. Refer to Figure 7. The manifold's job is to provide a mixture of air and fuel to the engine's cylinders. com offers 88 chevy intake manifold products. Intake Manifold Tuning Valve; Intake Mass Air Flow; Intake minus Output; intake pressure; Intake Release Center;. where i'm going with this is the tuning side of it, iv'e adjusted my injector data for the oem gm 6. Chevy LM7 Engine Specs. The Vortec heads require a different intake manifold, and Car Craft chose an Edelbrock Super Victor. First of all, the LS1 intake manifold is designed for the cathedral port heads (LS1, LS2, LS6, and truck heads). The intake manifold to the heads, note this sequencefrom front to back on the passenger side 7,1,3,5from front to back on the. You also want to watch out for TBI intakes and heads, which are also different than the intake for your Targetmaster. MAP Sensor This issue I am going to explain the MAP (Manifold Absolute Pressure), MAF (Mass Air Flow), and IAT (Intake Air Temperature sensors and their functions. As such, the L31 head is compatible with all older small-blocks,. The LT4 intake (12550630 or 12550631) has identical runners to the late model LT1 intake (12552137 or 12552138) but has more material above the runners so that it will seat properly with the LT4 heads. Manifold, lwr int. This system fits under your stock upper intake with no visual changes when fully assembled. I don't really need the spider or sensors or TB or anything else really, though I'd take them with the manifold if you didn't want to disassemble it or somethingit won't be used on a vehicle so I don't even care if it's not in great shape, as long as it. The stock l31 intake has many hills and valleys, the Marine intake is flat. Intake manifold I have a 1978 231 even fire v6 in my Jeepster. See Our Vortec Intake Manifold In Stock Now. 7 350 lower intake manifold gasket repair, replace, GM, GMC, Chevy. At 60 psi, teh stock Vortec popets flow 22. 7 Vortec Intake Manifold available for sale today on the internet. Founder and president Art Whipple has always been regarded as a true innovator and enjoyed a very successful racing career as crew chief and owner of Top Fuel Funny Cars and Dragsters, as well as many other forms of racing such as circle and drag boats. 7L, 350 CI L31, Vortec engine has eight bolts attaching the intake manifold or four per head, as opposed to the traditional six bolts per head twelve in total found on older Chevrolet small blocks). Performer RPM Vortec intake manifolds are based on Edelbrock's highly successful Performer family. the next picture shows the new design installed in the same exact intake manifold. 1L / 496cid Intake Manifolds. 1 liter intake manifold was designed for low RPM use and cannot meet the high-RPM air flow demands of the 496 / 8. If your performance budget is limited, then I'd suggest using stock L31 Vortec heads, an Edelbrock Vortec TBI intake manifold. DoubleJ52 , Apr 6, 2013. It'd probably be awfully expensive to replace with a new GM part. Edelbrock Performer RPM Vortec Intake Manifold Chevy 262-400 with Vortec (L31) or E-Tec Heads. Check to make sure all of the intake manifold bolts can be. The least expensive online catalog for all your Chevy Vortec Intake Manifold needs. At 60 psi, teh stock Vortec popets flow 22. To do this, the intake valve opens to draw gas and air into the engine. DESCRIPTION: Edelbrock Performer and Performer EPS intake manifolds are designed for 262-400 c. JEGS 513002 Intake Manifold Small Block Chevy with 1996-Up Vortec L31 Cast Iron. Intake Manifold, Chevy Performer RPM Air-Gap Manifolds, SB-Chevy 262-400 with Vortec Heads 1996-Later, Permastar Coating, Each and more at White’s Pit Stop. The byproduct is an oily mist that travels from the top of your head to the inside of your intake manifold. Vortec 8100 / 8. Chevy V8's with 1996 and later Vortec (L31) cast iron or the Edelbrock E-Tec aluminum heads. The throttle body attaches to the upper manifold. These intakes have 2" throttle bores and the TBI injector was specific for the TBI/Vortec engines. This is the Street Warrior™ Intake Manifold non/EGR 262ci-400ci, with Vortec (L31) Cylinder Heads for your 350 small block applications for 1996 - 2002. 1 out of 5 stars 6. This manifold is a perfect performance upgrade for Mercruiser and Volvo engines with both two and four barrel carburetors. 00 just for the manifold. You can snag a used vortec L31 cam (same thing as 350 B Body LT1 cam) or even better is a used 1994-1997 LT1 Z28 cam. Passenger side dipstick. In this video demonstration I give a quick over view on how I go about repairing a leaking lower intake manifold on a GMC 5. Information On Car and Truck Repair, Parts and Services New, Used and OEM Automotive Parts For Do It Yourself Car and Truck Repair. Is it safe to assume that you cleared the codes after the repair? The best way I know to find an intake leak is to spray (unlit) propane around the intake with the engine idling. We had added a custom intake tube that runs to dual UMP filters because this truck sees extra-dusty conditions on a regular basis. EFI Intake Manifold non/EGR 262ci-400ci, with Vortec (L31) Cylinder Heads. The one-inch thick billet aluminum VMAX spacer provides up to 31% more air volume under the plenum in late model modular intake manifolds that translates into solid performance gains in horsepower and torque. Looking to purchase a mail order tune from us? Select your vehicle from the drop down menu to get information on pricing, gains, and availability. All LT1 engines use center-bolt valve covers. Vortec heads do not have exhaust passage so if you have to have operational EGR the exhaust gasses must be plumbed from the exhaust manifold into the intake manifold. Trial fit your new intake manifold before applying any RTV silicone sealant. These aftermarket performance cast iron intakes are designed for the Vortec & Vortec Bow-Tie cylinder heads. It does, however, require a specific intake manifold (A 5. More Info Chevy Small Block (Vortec L31 Fastburn Head), Long Nose 6. WELCOME TO SPEIER RACING HEADS! Home of the VFactor! (785)623-0963. Intake Manifold, Edelbrock, SB Chevy, Performer, Vortec Based on the Edelbrock # 2101 (OPGI # M980001), this is a single four-barrel, dual plane intake designed for 262-400 engines with 1996 and later Vortec (L31) cast-iron heads. Check here for special coupons and promotions. 3 262 Short Block 2001-2007 #090m Small Sensor - No Core Required $710. 98 Intake Exhaust Valves For Mini Cooper S R56 N14 11347587470 11347547187 Turbo US. Edelbrock Performer EPS Vortec Intake Manifold for Small Block Chevy. Our Cool Gap intake manifold has been engineered for one purpose, maximum airflow and power output. The stock 8. It'd probably be awfully expensive to replace with a new GM part. Shop for discount Chevy Vortec Intake Manifold here. As such, the L31 head is compatible with all older small-blocks,. 0L/305ci & 5. AutoZone Repair Guide for your Engine Mechanical Specifications Torque Specifications. However, a standard small-block Chevy intake can be modified to work. The bottom of the inlet manifold is made of iron and the L31) 0 100 200 300 400 500 600 0 10 20 30 40 50 60 70 Intake Manifold: Iron Lower, Aluminum Upper. This high rise manifold was designed for maximum horsepower and a broad torque curve to give you great performance. Increase Duramax Diesel Power with Duramaximizer. 3 ('91 S-10 Free!) I was lurking on your post. Holley EFI Manifold Non-EGR - Chevy Small Block V8. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. All LT1 engines use center-bolt valve covers. Chevrolet Performance Carbureted LT1 Intake Manifolds 24502592. But other than the weight advantage, does the L82 intake manifold offer any other performance benefits? Would it But other than the weight advantage, does the L82 intake manifold offer any other performance benefits?. Chevy V8's with 1996 and later Vortec (L31) cast iron or the Edelbrock E-Tec aluminum heads. Suggested routing is from the 3/8 NPSF boss on intake manifold to the water pump. Locate Vortec Intake Manifold on sale below with the largest selection of Vortec Intake Manifold anywhere online. Find Edelbrock Performer Vortec Intake Manifolds and get Free Shipping on Orders Over $99 at Summit Racing! Dual-plane Performer Vortec intake manifolds are based on Edelbrock's popular Performer series. REMOVAL & INSTALLATION 4. The wide range of Chevrolet Performance intake manifolds means there is an ideal manifold for your every need. This is the Street Warrior™ Intake Manifold non/EGR 262ci-400ci, with Vortec (L31) Cylinder Heads for your 350 small block applications for 1996 – 2002. Multi-port intake manifold and throttle body unit, includes TPS and IAC control Fuel rails, fuel pressure regulator and fuel injectors matched for your particular application Tach filter, for electronic ignition systems, EFI distributors available for some applications. Intake Manifold. Order Intake Manifold - Performance for your 1999 Chevrolet K2500 Suburban 4WD and pick it up in store—make your purchase, find a store near you, and get directions. does anyone have a short breakdown list to veiw and does both brackets on front have to come off. This single four-barrel intake is designed for, marine engines utilizing 262-400 c. Notice how the nozzle of the injector is recessed away from the intake valve. Check out mkgearhead 1991 Oldsmobile Bravada in Central,NH for ride specification, modification info and photos and follow mkgearhead's 1991 Oldsmobile Bravada for updates at CarDomain. Buy JEGS 513002 Intake Manifold Small Block Chevy with 1996-Up Vortec L31 Cast Iron at Walmart. I don't mind changing the cam or adding headers if necessary. Chevy Small Block Intake Manifold. Intake Manifold. Click on this link. The dual overhead cam L31 had a front longitudinal design, two valves per cylinder and required a four bolt intake manifold. Sportsman 2V manifold is a dedicated design for the 2V racer and provides outstanding performance from 3500 to 7000 rpm. MAP Sensor This issue I am going to explain the MAP (Manifold Absolute Pressure), MAF (Mass Air Flow), and IAT (Intake Air Temperature sensors and their functions. The stock 8. DESCRIPTION: Edelbrock Performer and Performer EPS intake manifolds are designed for 262-400 c. Shop for discount Chevy Vortec Intake Manifold here. LT1 vs LT4 Intake Manifold Differences. 1L / 496cid Intake Manifolds. i have to put a new head to intake manifold gasket in my 98 305 gmc. This system fits under your stock upper intake with no visual changes when fully assembled. 0 injectors but am a little hesitant to go messing with my transients. I did my intake manifold gaskets last fall on my '98 5. Holley EFI Manifold Non-EGR - Chevy Small Block V8. Custom Intake Manifold with 32lb/hr Injectors, Comp cam 260AHR, Tuner Cat Speed Density tune, Vac modulated trans with shift kit and vette servo, Bolt on's Camshaft Tutorial-----My Truck and The Roots Blower Project----- My Tuning Tutorial. 3L L59 Flex Fuel vehicles. • Super Victor Vortec Intake Manifold 4000-8000 RPM • Chevrolet 262-400 Small Block V8 • Designed for racers using Vortec cast iron or Edelbrock E-Tec aluminum cylinder heads • Offers same top-end horsepower, throttle response and advanced design features as Super Victor #2925. you will not like the outcome. No matter what you're driving, we have the right Chevy Small Block Intake Manifold for your automobile. regular price $119. Edelbrock 2516 Marine Aluminum Intake Manifold with brass inserts for Vortec GM Small Block with 8 Bolt intake manifold and Center Bolt Valve Covers. Edelbrock Performer and Performer EPS intake manifolds are designed for 262-400 c. Intake Manifold How Does an Intake Manifold Work? The intake manifold uses pistons to conduct the air-fuel mixture and the coolant through the engine block via the valves to the relevant areas. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. Presenting 5. This manifold is a perfect performance upgrade for Mercruiser and Volvo engines with both two and four barrel carburetors. This manifold offers the same awesome top-end horsepower, throttle response and advanced design features as Super Victor #2925. Looking for Weiand Intake Manifold today? Find Weiand Intake Manifold and other automotive parts and accessories for sale on Ebay. It looks like there is a bit of modification needed as well as updating to better fuel delivery and getting a custom chip built to handle the new fuel delivery/air. So I've done a bunch of research on throwing an L31 Vortec motor (96+) into a 95 OBS and bolting up the GM Performance manifold that converts the standard TBI to the Vortec heads. Edelbrock Performer RPM Vortec Marine Intake Manifold Small Block Chevy with Vortec L31 or Edelbrock E-Tec Cylinder Heads 2516 $ 404. View Details. Chevrolet Performance Carbureted LT1 Intake Manifolds 24502592. I think I have a used one hanging on my shop wall somewhere, I'll try to remember to find it and shoot a pic. the next picture shows the new design installed in the same exact intake manifold. Intake Manifold, Edelbrock, SB Chevy, Performer, Vortec Based on the Edelbrock # 2101 (OPGI # M980001), this is a single four-barrel, dual plane intake designed for 262-400 engines with 1996 and later Vortec (L31) cast-iron heads. 1L / 496cid Intake Manifolds. The LS1 and LS6 manifold use very tall LS1 sized injectors whereas the LS2 manifold uses a shorter injector. regular price $119. Edelbrock Performer and Performer EPS intake manifolds are designed for 262-400 c. You can snag a used vortec L31 cam (same thing as 350 B Body LT1 cam) or even better is a used 1994-1997 LT1 Z28 cam. 2 lb/hr at the Vortec 60 psi of fuel pressure. Looking for the right Vortec Intake Manifold today? Find your next Vortec Intake Manifold and other auto parts and accessories for sale on Ebay today. Performer RPM and RPM Air-Gap intake manifolds are designed for 262-400 c. Not a bolt on however, machining required. C4 Intake Manifold; CALL US ON 260-724-2552 OFFICIAL PARTNERS Our Story. Header primary tube diameter should be 1-5/8". Technical Notes: To use EGR, the gasses must be plumbed from the exhaust manifold into the intake manifold. Weiand Stealth Hi Rise Dual Plane Intake Manifold. The fuel pressure regulator is on the fuel rail, and has a vacuum line to the intake manifold. Notice how the nozzle of the injector is recessed away from the intake valve. 7l kits account holley sniper hi-ram ls1 efi intake manifold & fuel rail kit-single plane-4150 flange-silver chp-lsx0710. The biggest benefit of this conversion is the ability to use larger injectors. Port Size - height 2. I have a 1999 Tahoe 2DR 2WD with stock L31 engine and 4L60E transmission. The marine intake should,all else considered, be better flowing than the L31 just by not having the poppet assemblies hanging in the airflow inside the manifold. You can, and James is right. GMPartsGiant. LT1 vs LT4 Intake Manifold Differences. Search Car Torque Specifications by Engine or Model. - Perfecting the art of performance for over 30 years. The one-inch thick billet aluminum VMAX spacer provides up to 31% more air volume under the plenum in late model modular intake manifolds that translates into solid performance gains in horsepower and torque. 00 just for the manifold. Ramjet on an L31. At 60 psi, teh stock Vortec popets flow 22. It delivers in the idle to the 5500RPM band. Dyno tests demonstrate increases of over 21 HP and over 21 ft/lb of torque with VMAX spacers installed. The Auto Shop's Vortec MPFI conversion eliminates the poppet nozzles, instead placing the injectors at the end of the tubes as shown below. cadillac 472. Compression Ratio 9. DoubleJ52 , Apr 6, 2013. there are also aftermarket fueling options, but be prepaired to spend some serious $$$$. Intake manifold design is geared toward the end usage, whether that is a street performance engine or an all-out competition application. The best out-of-the-box head for the money! Excellent flow produces broad torque and killer power. You need to provide Vortec style intake (use aluminum intake manifold PN-12366573), front damper, water pump, distributor and flexplate or flywheel. 5 to 9 pounds of boost do10 nozzle 50/50 mix placed about 5 inches after maf sensor and about 14 inches before throttle body. 480" maximum. Chevy V8s with 1996 and later Vortec (L31) cast iron or the Edelbrock E-Tec aluminum heads. or is there already a topic started sometime back, i tried searching but didnt get any results. 12496968 - is the same 350/330hp motor listed above but comes with a HEI distributor, high rise aluminum intake, Holley 650cfm vacuum secondary carb, "tall" water pump. Smooth and blend, but do not remove them,Usually, these manifolds like a one or two inch OPEN spacer under the carb, for best performance. PART# 9901-107 Be the first to write a review. 50" Manifold height: (A) 4. Aluminum Performance manifold for 5. 5 to 9 pounds of boost do10 nozzle 50/50 mix placed about 5 inches after maf sensor and about 14 inches before throttle body. installation went great fitment was much better than expected. There are no direct replacement performance intakes for the L31. You can see that you get a single valve cover gasket and both gaskets for the L-31 EFI engine. Some of the L31s had 1 7/8" pipes from the manifolds to the muffler, while others had 2. 5:1 Torque Rating 315-335 ft. The advantages such as resistance to corrosion, strength and light weight will support the high revenue generation. Intake manifold design is geared toward the end usage, whether that is a street performance engine or an all-out competition application. Gaskets, snouts, wno. 434-2102 SB Tuned Port, hex, complete Intake Manifold Bolt Kit. 1 liter engine in performance applications. Buy JEGS 513002 Intake Manifold Small Block Chevy with 1996-Up Vortec L31 Cast Iron: Intake Manifolds - Amazon. 7 Liter MCX marine engines. Get the best deals on Vortec Car & Truck Intake Manifolds when you shop the largest online selection at eBay. This manifold is primarily intended for use with Vortec heads on pre-1996 engine blocks. Small Block Chevy with 1996-Up Vortec L31 Cast Iron Head. This dual-plane Performer Vortec intake manifold is based on Edelbrock's very popular Performer Series. intake manifold listed as IM. This system fits under your stock upper intake with no visual changes when fully assembled. Shop with confidence. It is intake manifold. Our Cool Gap intake manifold has been engineered for one purpose, maximum airflow and power output. Increased power for your 1996 to 2000 350ci Chevy Vortec 5700 V-8 engine. 7 vortec intake and 350 vortec intake. The stock l31 intake has many hills and valleys, the Marine intake is flat. Skip to content. Block Chevy Intake Manifold Sale. On the other hand, the Torque numbers are very high, in fact the peak 420 ft lbs at 2500 rpm and the flat torque curve from 2000 to 4000 rpm match or beat many of the 400+ hp engine builds I have seen. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. It does, however, require a specific intake manifold (A 5. The fuel pressure regulator is on the fuel rail, and has a vacuum line to the intake manifold.