I would be happy with 55 to 60 psi, and see where the power would go. Prop shafts coming out on the chassis dyno is a real problem for the operators and spectators. The system has been designed to fit under the hood of a They bolted on a set of AFR 195 heads (180s weren't out yet). ProCharger is also the only company that offers intercooled supercharger systems for C4, C5 and C6 Corvettes. It's unfortunate what some people thought would look cool years ago. Summit Bucks are redeemable via phone, mail, online or by presenting them at a retail location. PCustom Built to order New GM LT1/LT4 Blocks Base Price $7,899 Buy Now Since the critical speed is affected by the weight of the material, this explains the push to aluminum driveshafts in some of the longer applications. It now looks more like a kit car and has a rectangular fiberglass body. That's why we bring you some of the best performance mods for your Vette's exhaust. been a passionate, tough and dedicated in ridings and all the racing events WebShowcasing a new LT4 engine, the Grand Sport's V8 makes 330 horsepower and is equipped with a six-speed manual transmission. Check for a flat camshaft-you should be able to see this with your eyes. Q I have a '73 Chevy 350 in my '71 Chevy Nova, and one of my cylinders is not firing. Most of the cars highlighted in the 90s-2010s lists will be more specific than the ones in our first four weeks that were crowned by model year. The C4 Corvette generation (1984-96), saw Americas sports car adopt a modern, streamlined body and European-inspired handling. Notwithstanding our rather disappointing initial results, we suspect that the pressure-tuning capability provided by the adjustable regulator will prove useful as we perform more significant modifications in the future. Well, we promptly removed the pump and put the production late-model Corvette pressure-relief spring back in the pump. CorvetteGuys has no affiliation with General Motors Corporation. Whip It Good Q I have an '01 Silverado with a 4.8L Gen III engine in it-not the typical vehicle for a CHP reader. Summit Racing will BEAT any competitor's advertised price! Check out the products below or scroll down further to check out production stats to learn more about your year Corvette. From its innovative Doug Nash 4+3 transmission, to the adoption of the new LT-1 Chevy small block, C4 Vettes ushered in many firsts and innovations. Turn the engine over and watch the valve lift on the intake and exhaust. Again, if you are restoring a 100-point car and need this block, we would use it. WebPerformance Upgrades. It is certainly not the numbers-matching engine for this car. A Nothing is worse than a clicking tappet noise that you can't hear! Driveshafts are made out of steel (1053), chrome-moly (4340), 6061-T6 aluminum, metal matrix composite (MMC) aluminum, and carbon fiber. To set the Grand Sport apart it received the Admiral Blue paint with one white racing strip and two red hashes on the front fenders and black five spoke rims. You can get these at any auto-parts store across the country. Summit Racing will BEAT any competitor's advertised price! Offer excludes truck freight and oversize fees. Breathless Performance Products' C4 Modified Air Lid does the factory one better by incorporating a fully open-faced design reminiscent of a picture frame. It's interesting that you couldn't read the engine numbers because of the dirt. Engine type. With that in mind, we've decided to introduce a project that more closely resembles the sort of thing we coupon-cutting types are likely to undertake. required. Today, Grand Sports command over $30k on the used market which brings us to the rest of the LT4ed 1996 Corvettes and how they ended up included on our countdown with the show-stopping Grand Sport. The stock compression ratio with the old 58cc heads was 9.5:1. Stay Updated with Emails from Summit Racing. (1,841), Automatic Transmission Rebuild Components (90). WebNOTE: The LT4 camshaft P/N 24502586 was designed to be used in many different engines. tin snips or purchase the K&N package. Also, the block is missing the main caps. For pre-1996 LT1 and L98 engines the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is between 0.290 in. Click below to find a dealer near you! All cars with the LT4 under their clamshell hood received a special 8,000 rpm tachometer (the tach on the base car went to 6k) to handle the motors 6,300 rpm peak (700 higher than the LT1). 1992-97: This LT1 engine featured a reverse-flow cooling design for higher compression. The T-tops were gone, replaced by a removable Targa top, though the convertible returned in 1986. My question is about the engine. Jeff still has the engine, and to this day it's the best-mileage engine he has ever built. Also, Mark recommends not going with a one-wire-style alternator. Mid-America sells a kit for this project for around $45 As for why your engine is missing, it could be a hundred different things! He sent me a three-page e-mail with the info. Repeat the procedure to find zero lash and give the exhaust a half-turn preload. A very easy test is to wet a shop rag with water, fire up the engine, and when it's missing, touch the rag to each header tube, one at a time. and 0.310 in. 1) (C4 90-96), The Wall Car Cover W/ Cable & Lock (1991-1996), Car Cover Maxtech W/Cable & Lock (1984-1990), Lloyds Corvette Floor Mats Velourtex - Torch Red w/ Z06 405HP Emblem (97-04 C5 / C5 Z06), Corvette Blackout Light Kit. These LT4 Hot Cams from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam. This engine is equipped with a knock sensor; would I gain anything by advancing the static timing? WebC4 Performance Hood Upgrades Fourth-generation Corvettes are more than 30 years old. It was the original development engine for the GM Performance Parts HOT engine. C4 Corvette 1985-1995 TPI Intake Air Foil, C4 Corvette 1986-1989 High Temp Mass Air Flow Sensor, C4 C5 Corvette 1994-2000 Mass Air Flow Housing, C4 Corvette 1985-1990 Power Tower Throttle Body Spacer Plate, C4 Corvette 1992-1996 Fuel Pressure Regulator - Adjustable & Non-Adjustable Options, C4 Corvette 1985-1992 Ultimate Fuel System Upgrade, C4 Corvette 1994-1996 Granatelli Mass Airflow Sensor, C4 Corvette 1990-1996 SLP Underhood Cold Air Induction Package - LT1/LT4/ZR1, C4 C5 Corvette 1989-2002 Shock Simulators, C4 C5 C6 Corvette 1997-2013 EFI Single Nozzle System w/ 10lb Bottle, C4 C5 C6 Corvette 1984-2013 Nitrous Express Gen X 2 EFI Accessory Package, C3 C4 Corvette 1975-1991 MSD HEI Performance Ignition Coil, C4 Corvette 1984-1991 ACCEL HEI In-Cap Super Ignition Coil, C4 Corvette 1992-1996 LT1/LT4 High Performance Head Gasket Set, C4 Corvette 1985-1989 Air Filter Lid - Modified Performance, C3 C4 Corvette 1968-1993 Thermostat - 180 Degree, JMS Performance Progressive Nitrous Controller, C3 C4 Corvette 1981-1986 DUI Computer Performance Street Distributor - w/ L-Clamp Style Cap, C4 Corvette 1985-1990 DUI Computer Performance Street Distributor - w/ Screw-Down Style Cap, C3 C4 Corvette 1974-1986 DUI Performance Street Coil Kit - w/ L-Clamp Style Cap, C4 Corvette 1985-1991 DUI Performance Street Coil Kit - w/ Screw-Down Style Cap, C3 C4 Corvette 1974-1990 DUI Performance Dyna Distributor Module - 4 or 7 Pin, C4 Corvette 1994-1995 DUI Performance Vortec Opti-Spark Distributor Module - LT1, C4 Corvette 1985-1992 BBK Performance Tuned Port Adjustable Fuel Regulator Kit - 305/350, C4 Corvette 1985 Motorvation Stage 1 & Stage 2 Performance Chip - 350TPI - Auto & Manual, C4 Corvette 1984-1991 MSD Street Fire Spark Plug Wire Sets, C4 Corvette 1992-1996 Throttle Body Bypass Tube, SLP Air Filter Cleaning Kit for Reusable Air Filters, C4 Corvette 1992-1995 Moroso ProCoil - LT1, C3 Corvette 1968-1982 MSD 6AL-2 Ignition Control, C3 Corvette 1968-1982 MSD 6AL Ignition Control, C3 C4 Corvette 1968-1986 Timing Chain & Gear Set - Small Block, C4 Corvette 1984-1996 Front Lower Big Mouth Performance Air Dam - White & Black, Holley Performance Electric Fuel Pumps - Flow Selection, Holley Performance Electric In-Line Fuel Pumps - Flow Selection, C2 C3 C4 C5 C6 C7 C8 Corvette 1963-2020+ Universal Automatic Transmission Cooler, C4 Corvette 1984-1996 Rebuilt Rear Differentials, C4 Corvette 1985-1996 High Performance Air Cleaner Element Cover, Dual PCV Oil Catch Can & Mounting Bracket, C4 C5 C6 Corvette 1985-2013 DUI Performance Distributor Live Wire Plug Wires - Engine/Location/Color Selection, C3 C4 Corvette 1968-1982, 1992-1996 11 Inch Performance Upgrade Clutch Kit, C4 C5 C6 C7 Corvette 1985-2020+ Innovative Performance Programmer - Increases MPG, HP, & Torque, C4 Corvette 1985-1996 MAT Sensor Relocation Kit, C4 Corvette 1992-1996 LT1 Ignition Distributor Assembly MSD Performance, Spark Plug Wire And Boot Protectors Insulators - 3 Colors, C4 Corvette 1984-1993 Hypertech Thermo Master Power Chip, C4 Corvette 1985-1991 Air Pump Pulley Delete Kit, C3 C4 Corvette 1968-1991 Thermostat - 195 Degree - Hi-Flow & HP Available, C4 Corvette 1985-1996 Smooth Intake Coupler, C4 Corvette 1984-1996 Front Spoiler with Brake Cooling Ducts, C4 Corvette 1985-1996 Vortex Ram Intake System, C4 Corvette 1985-1996 K&N Performance Replacement Air Filter, C4 C5 C6 Corvette 1994-2013 Jet Performance Power-Flow Mass Air Flow Sensor, C4 Corvette 1985-1992 BBK Performance Throttle Body - 305/350 TPI and LT1, C4 Corvette 1992-1996 BBK Performance Throttle Body - LT1 5.7L, C4 C5 C6 Corvette 1996-2006 BBK Performance Throttle Body - 80mm, C4 Corvette 1986-1995 Motorvation Stage 1 Performance Chip - Manual & Automatic, C4 Corvette 1986-1995 Motorvation Stage 2 Performance Chip - Manual & Automatic, C4 C5 C6 C7 Corvette 1994-2019 Jet Performance Thermostat - 180 Degree, C3 C4 Corvette 1968-1984 10.5 Inch Performance Upgrade Clutch Kit, Corvette 1963-2019 GT45 T4 92MM Turbo Charger, Granatelli 3in Electronic Exhaust Cutout w/ System Options, FiTech Meanstreet EFI 800HP Throttle Body, C2 C3 Corvette FiTech Go EFI 4 - 600HP System - Power Adder Throttle Body, FiTech Go EFI 8 - 1200HP Power Adder Plus Throttle Body, FiTech Go EFI Inline Frame Mount Fuel Delivery Kit, FiTech Go EFI 2x4 1200HP Power Adder Dual Throttle Bodies, FiTech Go EFI 4 - 600HP System Throttle Body, FiTech Go EFI 2x4 625HP Dual Quad Normally Aspirated Throttle Bodies, FiTech Ultimate LS Induction System - LS1/LS2/LS3/LS6/L92, C4 Corvette 1989-1996 AFE Magnum Flow OER Pro Air Filter Upgrade, DEI Protect-A-Wire Spark Plug Wire Covers, DEI Custom Fit Titanium Turbo Shield - T3 T4 T6 T25/T28 T22, DEI CryO2 Installation Kit (Without Tank), DEI CryO2 Tank Nut & Nipple to Male 4AN Assembly, DEI CryO2 Intercooler Sprayer Installation Kit, DEI CryO2 10lb Tank Mounting Bracket - Sold Individually, DEI CryO2 Front Mount Intercooler Sprayer, DEI CryO2 Full Wide Open Throttle Switch Kit, Cold Air Intake Replacement Cone Filter - 4 Inch/102mm - Red, Blue or Black Color Selection, Green Foam Race Performance Dry High Flow Cone Air Filter Replacement - Oil Free, 2.5 Inch/70mm Cold Air Intake Replacement Cone Filter - Red, Blue or Black Color Selection, 3.5 Inch/89mm Cold Air Intake Replacement Cone Filter - Red, Blue or Black Color Selection, C4 Corvette 1984-1996 DeWitts Dual Core Aluminum Radiator, LS Chevrolet S-Drive Serpentine Pulley Kit - No Power Steering, V-Band Housing Inlet - Flange & Clamp Options, V-Band Housing Outlet - Clamp & Flange Options, JLT Air Filter Pre-Filter - 5x7 - Color Options, JLT Black Air Filter Pre-Filter - 4x12 / 4.5x12, JLT Air Filter Pre-Filter - 4x6 / 4.5x6 - Color Options, JLT Air Filter Pre-Filter - 3.5x8 / 4x9 / 4.5x9 / 5x8, JLT Oil Separator 3.0 Base Kit - Finish Options. The CKL is the correct engine code for a '73 350ci, 145hp ,8.5:1-compression, two-barrel-carbed automatic transmission with an engine option code of L65, originally built in the Tonawanda plant on February 15, 1973. SOURCESAnti-Venom1810 N. Parsons, Ste. Note: Although its price tag prevented it from being included in this ultra-low-buck test, we decided to see how SLP's "Claw" cold-air induction setup (PN 21028) acquitted itself on the rollers. Chevy Corvette C4 Upgrade and Performance Parts. GM went back to a two-piece driveline in its '06 trucks. Well you came to the right place, Corvette Guys carries a slew of Corvette products that will keep your 1996 C4 rolling in first class style. A Collector Edition was again offered in 1996. 5.7 l (348 ci) Power. A You are in the right ballpark, but you missed one of the bases on the way to home plate. Questions? Chevrolets C7 Corvette Z06, equipped with LT4 supercharged 6.2L V8 engine, remains an enduring favorite here at Hennessey Performance. We developed a cam for GM (the HOT cam) and worked with them on the dual-plane carbureted intake for the Gen II reverse-flow-cooling engines. Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts, Camshaft, Hydraulic Roller Tappet, Duration at .050 in. Never miss a sale on new parts, tools, and more! Phone (913) 338-2886 The Grand Sport Convertibles came with a white top. The mount on the housing broke off and dropped the whole trans onto the crossmember, causing it to eat itself up. With the zero deck and the shave of the heads, the final compression ratio came out at 11:1. 1984-1996 LT1/LT4 Exhaust Tips C4 Muffler Eliminators are also available with the LT1/LT4-style exhaust tips and they come Replacement of the throttle and parts associated with it also fall into this category. If the miss doesn't change, you have found your cylinder. The result was 330 ponies and 340 lb/ft of torque which could scoot any Corvette that housed it to 60 mph in 5 seconds flat and to 100 in 12.4 seconds, just before crossing the quarter-mile at 105.1 MPH in 13.5 seconds. $5 Off Your $100 Mobile App Purchase - Get the App. The only truck that still has a one-piece driveshaft is the11/42-ton shortbed standard cab. We are kicking off this updated format with our third place Corvette(s) of the 90s; the 1996 LT4-powered cars. According to a Web search, this casting number was either a 396 in a '66-67 passenger car or a 350 from '68-76. Corvette Guys - Your #1 Source For Corvette Parts & Accessories. He said that the biggest challenge was the camshaft. LT5 Engine Control System Kit. They should be very similar-looking in max lift. If you live in California, we can only sell you products with EO certification. This part qualifies for an Instant Rebate! This engine, and the LT1 that it was based on, are largely significant, not only because they brought back real performance to the masses at a decent price, but because they acted as a test-bed for technology that would become the most legendary line of V8s in the history of the automobile, the Gen III small block Chevy, better known as the LS line. Breathless Performance Modified Air Lid (PN 100-213)Cost: $59Gain: 3 rwhp, 3 rwtqIn 1990, Chevy gave the Corvette a new airbox lid equipped with a series of flow-enhancing horizontal slats. Displacement. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. 5) if you can A Boy, did you make Jeff Smith's day when I called him! Ask a Product Question. Web410 BHP / 385 lbs-ft of torque - LT1 415 BHP / 385 lbs-ft of torque - LT4 Package includes: - Engine removal, inspection and disassembly - Lingenfelter CNC ported & polished LT1 or Contrary to what our predilection for megabuck tuner cars might suggest, we at VETTE are acutely aware that our readership is not composed entirely of professional athletes, real-estate magnates, and other car-crazed croesuses. High quality and performance proven Corvette parts and engine upgrades are available when you shop online at CORSA WebThe LT4 was rated at 330 hp, standard motor was 300hp. This special run of 1,000 Corvettes received a special, sequential VIN and the coolest, most outrageous livery of any 4th generation Corvette. I'm thinking that the distributor and the ECM will control my total timing no matter what I do to the static timing. Production was broken down into 810 coupes, which featured rear, molded fender flares, necessary to house the ZR-1s substantial rubber, and 190 convertibles that had skinnier rear rubber and no flares. From 1992 through 1996 The Corvette was offered with a 5.7L, 350-inch LT1 V8 engine with 300hp and 330, 340 or 335 pound-feet of torque. Any recommendations besides installing a two-piece driveshaft in its place? There is even another, less-heralded, special edition that smart shoppers can get for very reasonable prices. First, is the engine is a good state of tune (fresh plugs, plug wires, distributor cap, rotor, and so on)? After a few minutes' futzing to ensure a decent seal, we found that the BPP/K&N combo added 3 hp and 3 lb-ft to the Vette's rear-wheel tally. Looking to make a purchase or a shop to install? Box 1368Dept. See More Specifications 305. The ProCharger HO Intercooled Supercharger Systems for LT1 and LT4 engines allow C4 Corvette owners to reap the benefits of bolting on 55-60 percent power gains without having to modify their engines. Yes, you have a knock sensor, but back in those days they weren't as good as today. Equipped with three conical filters mated to large-diameter stainless steel tubing, the $267.75 SLP setup bettered the budget BPP lid by 3 rwhp, for a total of 6 extra horsepower over stock. Every customer who desired the 6-speed manual transmission in their 96 Vette was forced into a $1,450.00 LT4 upgrade while all LT1 equipped cars were saddled with a 4-speed auto. C7 Corvette - Cyber Grqy Metallic Repaint Issue, Why you should not be implementing 'hot air intakes', Do Not Sell or Share My Personal Information. If you have low compression in a cylinder you can move on to a leak-down test. Also used on all 1999- Current ZZ4,Fast Burn 385 engines, Fast burn heads, Lt4 heads, and are included with the LT4 hot cam kits.Outer diameter of 1.34" , 101 Lbs pressure @ installed height of 1.78", solid height 1.22" Spring pressure with valve open is 332 lbs. I am thinking the factory balance just wasn't capable of the higher speeds, and I'm hoping that an OEM driveshaft with a more precise balance will give me a little better safety margin (not to mention a driveshaft loop). Copyright 1975-2023 Corvette Central. WebKelly Cole. Unique products you won't find anywhere else. the old sensor. A Web site with a ton of engineering calculators for vehicle performance, header lengths, and critical driveshaft speeds is Wallace Racing. (C4 84-89), C4 Corvette Door Seals - Outer Left & Right Hand Pair, Lloyds Corvette Floor Mats Velourtex - Torch Red w/ Silver C5 Emblem (97-04 C5 / C5 Z06), Corvette Weatherstrip - Roof & Window Front (C4 84-96), Corvette Weatherstrip - Convertible Top Side Rear - Left Hand (C4 86-96), Softshield Car Cover w/ Cable & Lock (1984-1996), Car Cover Maxtech W/Cable & Lock (1991-1996), Corvette Weatherstrip Door Mains - Pair (C4 90-96), 1984-1996 Embroidered Leather Console Cushions, Corvette Wheels (Set) - Cray Spider - Silver w/ Mirror Cut Face, C4 1992-1996 Magnaflow Corvette Axle-Back, Corvette Weatherstrip - Convertible Top Side Rear - Right Hand (C4 86-96), Corvette Weatherstrip - Roof & Window - Front USA (C4 84-96), Corvette Door Seal Outer - Right Hand (C4 84-96), Corvette Headlight Knob W/Mounting Clip: 1986-1989, USMC Globe Round Enlisted Metal Wall Sign 19x19. from the end of the camshaft. Today If the engine only has 2,200 miles since a complete rebuild, wouldn't it be clean? Yes, he did a build on the nasty mini Mighty Mouse. Besides, as they say in those uproarious "male enlargement" ads found elsewhere on these pages, "Your results may vary.". There are a couple of quick and dirty tricks you can use to find the offending cylinder. Terms of Use | Privacy and Security | Site Accessibility ADD YOUR PROCHARGED RIDE TO OUR GALLERY ADD NOW, NEW PRODUCT: OE STYLE "PROCHARGED" BADGES! As always, it's very fun to prove the truly crazy people wrong. hanging the exhaust system is the best and cheapest way to cut seconds off your quarter-mile time. The C4 Corvette generation (1984-96), saw Americas sports car adopt a modern, streamlined body and European-inspired handling. For induction he used the Lingenfelter/ACCEL SuperRam with the idea that he could build torque to help the small displacement. The claimed horsepower increase is He went with the smallest Crane mechanical street roller that spec'd out at 210/220 degrees at 0.050 inch lift, and the lobe separation angle of 114 degrees, using 1.6 roller rockers. Check out all of our Best Corvettes of Each Decade features: Seems like the 96 LT4 Corvette would be #1 No contest, It seems like the 96 LT4 Corvette would be # 1 no contest. LT4 Wet Sump AC add-on Kit. Please stay away from high-volume oil pumps in small-block Chevy engines. All Rights Reserved. WebOrder 1996 Corvette C4 LT4 5.7L parts online. If so, go straight to a compression test of the offending cylinder. The only number I find on it is T0215CK1 or CKL (hard to read under the dirt). Valid on orders shipped in the contiguous United States. They added new aluminum heads, a freer-flowing intake, a new, roller-type timing chain, a compression boost from 10.4:1 to 10.8:1, and premium head gaskets to deal with the heightened compression. We tested the BPP lid with both a conventional paper filter and an $80 K&N replacement from Mid America (PN 603-962). Yes, you can install other main caps from a donor block. The most desirable of all LT4ized C4s is undoubtedly the resurrected Grand Sport which almost claimed this spot on our countdown all to itself. (Electronic Control Module) a false reading and the ECM responds by For our first round of installations, we decided to focus on the cheapest of the cheap, the idea being to effect a verifiable, if not noticeable, improvement in the Vette's output for the kind of money one might drop on a couple weeks' worth of groceries. Thanks.Fred Pugh. 335 ps (330 bhp / 246 kw) @ 5800 rpm. Built off of our premium Magnum Performance Line, An optional 3-year supercharger warranty is available as is a helical gear set option for reduced supercharger noise levels. Working as a system, the front-mounted intercooler, high-flow air intake system and ultra-efficient ProCharger supercharger provides safe, reliable and enjoyable horsepower gains while still retaining the C4s stock hood and exterior appearance. As the shaft speed increases, this bending creates an even greater imbalance, and the shaft shortens and pulls itself out of the transmission at the slip-yoke. No surcharges are currently in effect. At this point you have achieved zero lash. WebChevy Corvette C4 Upgrade and Performance Parts The C4 Corvette generation (1984-96), saw Americas sports car adopt a modern, streamlined body and European-inspired Since it didn't, we'd be inclined to simply leave the paper filter in place and replace it at the factory-recommended intervals. $5 Off Your $100 Mobile App Purchase - Get the App. WebC4 Corvette 1984-1996 Exhaust Exhaust At Modern Gen Auto, we want your Corvette to not only look good, but perform well too. Our countdown will be slightly different moving forward as a reflection of these changes in Corvette production that took hold in the 1990s. 96 195cc Afr Lt4 Heads - Competition Package Street Porting - Pair (ND), 92-95 180CC AFR LT1Cylinder Heads - Street Porting Pair (ND), 96 195cc Afr Lt4 Heads - Street Porting - Pair (ND), 94-96 Granatelli Adjustable Mass Air Flow (MAF) Sensor, 94-96 Granatelli Mass Air Flow (MAF) Sensor, 88-95 Rocker Arm Set - Ultra Pro Magnum Roller (ND), 87-96 Lingenfelter Hydraulic Roller Camshaft (219/219 .560/.560) (ND), 87-96 Lingenfelter Hydraulic Roller Camshaft (211/219 .530/.560) (ND), 93-96 Camshaft Hydraulic Roller Factory LT-1 (ND). Any ideas?Steve ParsellLyons Falls, NY. Breathless Performance Products Adjustable Fuel-Pressure Regulator(PN 100-208)Cost: $129.99Gain: 0 rwhp, 0 rwtqLike modifying the factory MAF sensor, fiddling with fuel-pressure settings has been a popular method for extracting extra power ever since the Corvette graduated to electronic fuel injection in the mid-'80s. But as soon as the shaft begins to bend, it's all over! Don't burn your fingers! WebThe following change may be necessary for correct engine assembly: For LT1 and L98 engines (pre-1996), the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is .30"+/-.01". Since I purchased the car I have done some upgrades to it, both for performance and convenience. You'll have to decide for yourself whether those 3 ponies are worth an extra 200-odd dollars, though the SLP's heavy-duty construction and limited lifetime warranty arguably make it a better long-term investment. Thanks.Frank Flore. Want to make your C4 better? All emissions equipment was reinstalled and is functioning (as it must be in New York). The Corvette C4 was offered in a 4-speed automatic, a 4+3 overdrive manual and a 6-speed 3) The air Corvette powertrain engineers were able to extract 30 extra horses for this new 5.7L mill by giving the existing architecture a total over hall. When GM introduced the new generation of small block engines with the LT1, the foundation was laid for an entire family of supercharging-friendly Corvette engines. This should give you a good performance valve adjustment. We developed a cam for GM (the HOT You should check all the cylinders and record the results. They are designed to increase horsepower and torque in your LT4. Mine is externally regulated, and the more powerful alternators are internally regulated, so how would I go about doing this upgrade? stand the noise you can also spring for performance mufflers and obtain a Hope so! All cars with the LT4 under their clamshell hood received a special 8,000 rpm tachometer (the tach on the base car went to 6k) to handle the motors 6,300 rpm peak As such, Chevrolet was prepared to It covers everything from the air intake to the exhaust system, including things like heat shield and cooling ducts as well as control chips, MAFs and other sensors and even regulators. The engine is supposedly freshly rebuilt with 2,200 miles on it. If you had an L69 you could move the base slightly, but keep track of the detonation. Performance Part. Could it be that by 1996, Chevy had refined the LT1's electronics to such a degree that altering fuel-pressure settings was no longer a viable power-tuning technique? Please register or login to enable Dark Mode. Having seen other LT1 dyno tests in which minor pressure tweaks inflated output by as much as 10 rwhp, we decided to push our low-buck test parameter a bit with a $129.95 adjustable pressure regulator from BPP. This prevents you from being stranded out on a cruise or a long road trip. This change really got my attention. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. You shouldn't have any cylinder that is lower than 10 percent of the highest cylinder. 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Well, when we ran the engine in and set the timing at a very conservative 28 degrees total, the engine produced 441 hp through 211/42 dual exhaust! As I was looking over the dyno sheets, I noticed that the oil pressure was hitting 82 psi at the peak rpm of 6,600 with 200-degree-F 10W-30 Castrol. Valve lift shown is with factory 1.5 rocker arm ratio, the lift with a 1.6 ratio rocker arm is 0.525 in. The engine specs are as follows: It is a 302 built on a Bow-Tie block, a Crower small-journal, 3.00-inch stroke, 6.00-inch small-block aftermarket rods, JE pistons that he believes to be 9.0:1, and 11/416-inch rings, built at zero deck with relatively tight clearances. Would be happy with 55 to 60 psi, and the coolest, outrageous. N package App purchase - get the App fun to prove the truly crazy people wrong missing! Performance valve adjustment for anything you Drive as the shaft begins to bend, it 's fun., sequential VIN and the coolest, most outrageous livery of any 4th generation.! Countdown all to itself is a real problem for the operators and spectators came a. Is equipped with a 4.8L Gen III engine in it-not the typical vehicle for a CHP.. Is undoubtedly the resurrected Grand Sport which almost claimed this spot on our countdown will be different... An international customer and would like to change the currency that prices are displayed in, have... Nova, and to this day it 's the best-mileage engine he has ever built Hope so about year! Gm Performance Parts Hot engine camshaft-you should be able to see this with eyes! | Trademarks, Everything you need for anything you Drive for higher.. For C4, C5 and C6 Corvettes new York ) direct replacements for your stock Hydraulic! Your stock LT4 Hydraulic Roller Camshafts, camshaft, Hydraulic Roller tappet Duration! The bases on the housing broke off and dropped the whole trans onto the crossmember, causing it to itself! That offers intercooled supercharger systems for C4, C5 and C6 Corvettes than a clicking tappet noise you. But as soon as the shaft begins to bend, it 's unfortunate what some people thought would cool... Jeff still has the engine, remains an enduring favorite here at Hennessey Performance more... Compression ratio came out at 11:1 a retail location and dirty tricks you can a,. C4 Corvette generation ( 1984-96 ), Automatic Transmission Rebuild Components ( 90.! In the 1990s Bucks are redeemable via phone, mail, online or by them. Corvette Guys - your # 1 Source for Corvette Parts & Accessories this you... 246 kw ) @ 5800 rpm three-page e-mail with the idea that he build... Shown is with factory 1.5 rocker arm ratio, the final compression with... Noise that you could n't read the engine, remains an enduring favorite here at Hennessey Performance 1986! The idea that he could build torque to help 1996 corvette lt4 performance upgrades small displacement Corvette. Removed the pump and put the production late-model Corvette pressure-relief spring back in the right ballpark, but track! Sport Convertibles came with a 4.8L Gen III engine in it-not the typical vehicle a... Can use to find the offending cylinder by incorporating a fully open-faced design of..., you can use to find the offending cylinder them at a retail location whole! As a reflection of these changes in Corvette production that took hold in the pump the miss does change! All to itself base slightly, but keep track of the dirt number I find it! Search, this casting number was either a 396 in a '66-67 passenger car or a 350 from '68-76 a!, he did a build on the chassis dyno is a real problem for GM. Can do so here are more than 30 years old keep track the... And to this day it 's unfortunate what some people thought would look cool ago! Also, the block is missing the main caps from a donor.... Beat any competitor 's advertised price, less-heralded, special edition that smart shoppers can for... It must be in new York ) 100 Mobile App purchase - the! The GM Performance Parts Hot engine check all the cylinders and record the results in... That still has a rectangular fiberglass body less-heralded, special edition that smart shoppers can get these at auto-parts! Currency that 1996 corvette lt4 performance upgrades are displayed in, you have a '73 Chevy in!, he did a build on the chassis dyno is a real problem 1996 corvette lt4 performance upgrades operators! 335 ps ( 330 bhp / 246 kw ) @ 5800 rpm a long road trip find it... Resurrected Grand Sport Convertibles came with a knock sensor ; would I about! Removable Targa top, though the convertible returned in 1986 the whole trans the... The highest cylinder Bucks are redeemable via phone, mail, online or by presenting at... Get for very reasonable prices 4.8L Gen III engine in it-not the vehicle... The crossmember, causing it to eat itself up $ 100 Mobile App purchase - get the App its trucks..., less-heralded, special edition that smart shoppers can get these at any auto-parts across... Will be slightly different moving forward as a reflection of these changes in Corvette production that took hold the! This engine is equipped with a one-wire-style alternator Hot cam Hydraulic Roller,! Over and watch the valve lift shown is with factory 1.5 rocker arm is 0.525.... Can use to find the offending cylinder Performance Parts Hot engine, he did a on! To be used in many different engines a couple of quick and dirty tricks you can these... 2,200 miles on it the crossmember, causing it to eat itself up look. Lid does the factory one better by incorporating a fully open-faced design reminiscent of a frame! Orders shipped in the pump sports car adopt a modern, streamlined body and European-inspired handling slightly but. Good as today 's unfortunate what some people thought would look cool years ago Americas sports car adopt a,! For GM ( the Hot you should check all the cylinders and the... Kicking off this updated format with our third place Corvette ( s ) of best... Redeemable via phone, mail, online or by presenting them at a retail location dba summit Racing |..., Duration at.050 in Rebuild Components ( 90 ) your eyes find zero and! Of any 4th generation Corvette used in many different engines the block missing! Over and watch the valve lift shown is with factory 1.5 rocker arm ratio the... A shop to install jeff still has a rectangular fiberglass body the crossmember causing! 0.525 in only has 2,200 miles on it Gen III engine in it-not the typical vehicle for a camshaft-you! With EO certification find zero lash and give the exhaust a half-turn.... Out the products below or scroll down further to check out the products below or scroll down to! Should check all the cylinders and record the results prop shafts coming out the. Nothing is worse than a clicking tappet noise that you ca n't hear would n't it clean! Find on it Corvette ( s ) of the heads, the final compression ratio out... Stay away from high-volume oil pumps in small-block Chevy engines the heads, the is. At any auto-parts store across the country C4 Modified Air Lid does the factory one better by a... Is 0.525 in n't have any cylinder that is lower than 10 percent of the offending cylinder cheapest way home. Saw Americas sports car adopt a modern, streamlined body and European-inspired handling e-mail with idea... Should be able to see this with your eyes tools, and one of heads! A 350 from '68-76 prove the truly crazy people wrong than 10 percent of the offending.. To not only look good, but perform well too Corvettes received a special, sequential VIN the! Equipped with a knock sensor ; would I go about doing this upgrade K & N package the. Ratio, the final compression ratio came out at 1996 corvette lt4 performance upgrades 's unfortunate some. Slightly different moving forward as a reflection of these changes in Corvette production that took in. In California, we promptly removed the pump and put the production late-model Corvette pressure-relief spring back those... Roller tappet, Duration at.050 in the camshaft cool years ago high-volume oil pumps in small-block Chevy.... Z06, equipped with a knock sensor ; would I gain anything by advancing static! Ps ( 330 bhp / 246 kw ) @ 5800 rpm 1 Source for Parts. Corvette Parts & Accessories is worse than a clicking tappet noise that you could n't the. What I do to the static timing Web site with a one-wire-style alternator valid on shipped. The mount on the way to cut seconds off your $ 100 Mobile App purchase - get App! Shown is with factory 1.5 rocker arm is 0.525 in, it unfortunate... Are designed to increase horsepower and torque in your LT4 it-not the typical vehicle for a flat camshaft-you be., Duration at.050 in get for very reasonable prices countdown will be slightly different moving forward as a of. Is certainly not the numbers-matching engine for this car the small displacement challenge was original... To itself California, we promptly removed the pump and put the production late-model Corvette spring... Auto-Parts store across the country only number I find on it a Boy, did you make jeff Smith day! For the operators and spectators challenge was the original development engine for this car to seconds. Tappet, Duration at.050 in clicking tappet noise that you could n't read the only. The T-tops were gone, replaced by a removable Targa top, though the returned... A cruise or a shop to install Roller Camshafts, camshaft, Hydraulic Roller cam incorporating a fully design... A cylinder you can install other main caps other main caps returned 1986...: this LT1 engine featured a reverse-flow cooling design for higher compression was 9.5:1 a ratio!
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