(All of our "gain" numbers are based on a two-pull average.). increases are 15-20 HP and 20 ft/pounds of torque. WebNewTech Performance was founded in 2005 and has serviced Northern California as an elite LS tuner. This powertrain is available on all 1996 Corvettes. Made of ABS plastic, the BPP lid can be installed in a matter of minutes, with no modifications to the factory box. 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. This could have been an original Corvette block if it has four-bolt mains, but if it's a two-bolt, it is probably from a more pedestrian Impala or the like. It started life as a '96 LT4 Corvette bullet. Sales Email [emailprotected]. I'm sure that you would rather have been introduced in another fashion. You rotate the engine until the exhaust valve just starts to open. WebC4 Performance Hood Upgrades Fourth-generation Corvettes are more than 30 years old. The Delco internally regulated 10SI and 12SI alternators are the best and widest-available factory alternators in the industry. 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. 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". Pricing on these units vary by configuration. Estimated International Ship Date: 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. Don't burn your fingers! Main bearing gaskets? California approved products for street legal use (complete systems) will have an associated CARB EO# for compliance. Copyright 2023 by AUTOSALES, INCORPORATED This is when you adjust the valves on one cylinder at a time. If this is just an engine project, pick up another block and let the fun begin. I have come to find out that most driveshaft houses really only build 4-inch-od, 0.125-inch-thick driveshafts in 72-inch lengths. Hypertech chip and replace your stock ECM PROM with it. They come in many thicknesses and diameters. That the plastic aftermarket housing is lighter and conducts less heat than the aluminum stocker is an added bonus. This was due to the load of the oil pump on the distributor and camshaft and the reduced windage in the oil pan. Check out our full list of EO offerings. 1984-1996 LT1/LT4 Exhaust Tips C4 Muffler Eliminators are also available with the LT1/LT4-style exhaust tips and they come High quality and performance proven Corvette parts and engine upgrades are available when you shop online at CORSA Terms of Use | Privacy and Security | Site Accessibility Well, we promptly removed the pump and put the production late-model Corvette pressure-relief spring back in the pump. Please register or login to enable Dark Mode. First, is the engine is a good state of tune (fresh plugs, plug wires, distributor cap, rotor, and so on)? January allocation from 3000 to 3300/3400. It started life as a '96 LT4 Corvette bullet. Please stay away from high-volume oil pumps in small-block Chevy engines. 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 Whether you're looking for Corvette wheels, tuners, exhaust, headlights, tail lights, or any other Corvette performance parts, you know that you can find it here at Corvette Guys. Will most likely be experimenting with alternative fuels such as 93 octane, race fuel, E85 fuel, and methanol supplemental fuel. You can get these at any auto-parts store across the country. 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. As always, it's very fun to prove the truly crazy people wrong. PCustom Built to order New GM LT1/LT4 Blocks Base Price $7,899 Buy Now WebLingenfelter 616 Horsepower C6 Z06 Corvette Engine Kit LS7-2006-2010 Part Number: L280016006 $4,349.00 Quick View Not Yet Rated Lingenfelter 630 Horsepower C6 Z06 Corvette Engine Kit LS7-2006-2013 Part Number: L280016008 $6,095.00 Quick View Not Yet Rated Lingenfelter 660 Horsepower C6 Z06 Corvette Engine Kit LS7-2006-2013 Part Back in 1996, when we originally built the engine, it produced 420 hp and ran extremely well in my '65 El Camino. Cast in the role of the working-class hero is a 75,000-mile '96 automatic coupe, complete with Florida-issue Rebuilt title, sun-faded Polo Green paint, and a headliner that droops like Cronkite's eyelids. A Web site with a ton of engineering calculators for vehicle performance, header lengths, and critical driveshaft speeds is Wallace Racing. Thanking you in advance.Pamela Meath. A Most people think that the OEs limit the vehicle speeds on trucks because of the tire quality. Click to call our sales staff or email us if you need any help. AutoZone, right next to the turbo alternators. The claimed horsepower increase is Now that we have contacted Jeff he wants to take the engine a step further. I noticed that in many of your articles on small-block Chevys you recommend setting the static timing in the neighborhood of 18 degrees BTDC. This was all in conjunction with improved crank and camshafts, water-pump, and main bearing gaskets. The system has been designed to fit under the hood of a The C4 Corvette generation (1984-96), saw Americas sports car adopt a modern, streamlined body and European-inspired handling. It doesn't sound like you have gone too far for the factory system unless you have added a bank of amps and four 12-inch woofers back in the trunk. With the change, the pressure is now in the 73-psi range under the same conditions. With this tune-up the engine produced 550 hp and knocked down an average fuel economy of 25 mpg for the entire Power Tour-this was idling around on cruise nights and running down the road between 70 and 90 mph! ProCharger Headquarters Campus in Lenexa, KS and Branch Office in Mill Valley, CA, High Output Intercooled System w/ P-1SC (92-96 LT1), High Output Intercooled Tuner Kit w/ P-1SC (92-96 LT1), High Output Intercooled System w/ P-1SC (96 LT4), High Output Intercooled Tuner Kit w/ P-1SC (96 LT4), Helical Gear set for Noise Reduction (P-1SC-1 & D-1SC only), Mass Airflow Massager (required for 1996 only). The last year of the C4 Corvette brought about the new LT4 motor for manual transmissions only while automatic transmissions were coupled with the LT1 motor. You should check all the cylinders and record the results. For a full list of California and 50 state street legal systems, click below. As for why your engine is missing, it could be a hundred different things! He said he would let us know if his new dream ever comes to life. When he started this project back in his Hot Rod days, many people told him that he was crazy and it couldn't be done. Check for a flat camshaft-you should be able to see this with your eyes. For induction he used the Lingenfelter/ACCEL SuperRam with the idea that he could build torque to help the small displacement. I am also using the stock ECM and the computer-controlled distributor and Rochester Quadrajet. LT Style 8 Bolt Flex Plate Add-on Kit. Valid on orders shipped in the contiguous United States. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. Do you get those where they sell muffler bearings? I almost bought one, I left the dealer to go to another dealer to test drive an automatic version (only 300hp), then went back to buy the LT4 only to see them putting temp. been a passionate, tough and dedicated in ridings and all the racing events 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. Im either not sure what happened there or I do those on purpose sometimes to see if anyone actually reads things before jumping into the comments. These products are intended for racing or off road applications only. Also fits 1990 ZR1: 1991-1996, Corvette Weatherstrip Kit - Coupe Body 7 Pc. Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts, Camshaft, Hydraulic Roller Tappet, Duration at .050 in. Configure your purchase now. 3) The air Click below to find a dealer near you! | 4) buy a $180-200 Streetrunner After establishing that our Vette's fuel system was providing 47 psi of pressure in stock form, we dialed in a series of 2-psi increases, retesting at each increment until we reached a maximum pressure of 55 psi. Stay Updated with Emails from Summit Racing. WebWe can build the short block to work with your heads and offer options such as Comp Cams performance camshafts, CNC ported heads, etc. They are designed to increase horsepower and torque in your LT4. Displacement. air flow. Looking to make a purchase or a shop to install? Please check your inbox to confirm your subscription. Somewhat surprisingly, none of our monkeying had any positive effect on the output of the engine. ( 21 ). Any help is greatly appreciated.Joe Raggio. Order this item and get free delivery and handling on your entire order! Very Early Rat Q I have an engine block with casting number 3855961. The 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. Chevy Corvette C4 Upgrade and Performance Parts. I'm thinking about building an engine for a project, and thought I should look into the past for info.John Alden. The LT1 version costs approximately $35 dollars and you reuse Price. For 1996 LT1 and LT4 If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. Click button drop-down to lock your search to specific years or catalogs. Comprising two larger-than-stock plastic end pieces that sandwich the factory MAF, the housing is said to move 55 percent more air than the OEM setup, for a total flow rating of 1,000 cfm. Offer excludes truck freight and oversize fees. If the engine only has 2,200 miles since a complete rebuild, wouldn't it be clean? dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. We're just not exactly sure how. There are a couple of quick and dirty tricks you can use to find the offending cylinder. Write a Review, Write a Review You aren\t going to see much difference in horsepower until around 4400 I was very pleased for an engine this mild to produce that kind of power, and have over 15 inches idle vacuum at 750 rpm. Good luck on moving this piece of history. '70 Chop JobQI've been given the dubious task of selling a redesigned '70 Chevelle SS 350 with an automatic transmission. According to a Web search, this casting number was either a 396 in a '66-67 passenger car or a 350 from '68-76. 2) Another change 4.75 out of 5 stars And while it certainly won't make realizing our e.t. I have not had it pressure-tested and wanted to get the cap question answered before I started dumping dollars into my dream machine. 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. 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. Also, the block is missing the main caps. Tuner Kits: These kits make sense for someone wanting to perform custom tuning of the car and push the envelope in performance. ProCharger HOSystems and Tuner Kitsfor the 1992-1996Corvette areNOTlegal for street use in California. 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. 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. The most desirable of all LT4ized C4s is undoubtedly the resurrected Grand Sport which almost claimed this spot on our countdown all to itself. Want to make your C4 better? (With solid lifters, the adjusting procedure is the same except that instead of tightening the rocker adjuster to zero lash, you would adjust the rocker to the cam manufacturer's specified valve clearance.) Torque. If you have, you should have noticed the idle spark advance was up around 16 to 18 degrees, based on the engine speed and coolant temperature. 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. WebOrder 1996 Corvette C4 LT4 5.7L parts online. That's why we bring you some of the best performance mods for your Vette's exhaust. You can reach Tom at 248.275.5828 (Eastern Time). It's free! involves the air filter. Our countdown will be slightly different moving forward as a reflection of these changes in Corvette production that took hold in the 1990s. Driveshafts are made out of steel (1053), chrome-moly (4340), 6061-T6 aluminum, metal matrix composite (MMC) aluminum, and carbon fiber. Mid-America sells a kit for this project for around $45 The engine is supposedly freshly rebuilt with 2,200 miles on it. We did it, Corvette Nation! 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). However, you will need to find a set-and a good machine shop to install them. 66 product (s) found view: Sort by: Now rotate the engine until the intake valve just closes. Welcome to the 90s! This is a plug in modification after you drill a 7/8 inch A quirk of the early big-blocks was that the oil-lifter galleys were fed oil through a groove in the rear camshaft journal and a grooved rear camshaft bearing; this was only on the '65 and '66 models. Ships In a Few Days. The rest of the valvetrain is rounded out with a Comp Cams kit. The C4 got two Pace Car editions, in 1986 and 95, plus a potent Grand Sport model in the C4s final year, 1996. This is when you adjust the intake valve. The only simple mod that the oiling system had was the installation of a 70-psi white pressure-relief spring from the 302 Z28 and 350 LT-1 engines. Putting a L69 spark table into the LG4 computer would pick up the 0-60-mph time by about one second. If you advance the static timing to, let's say, 18 degrees, the total timing that the ECM would give the engine would also be increased by 12 degrees! We have a large group of dealers ready to serve you with your ProCharger needs. Rather than simply punching out the screens on the OEM unit, we decided to try one of Mid America's Mass-Airflow-Sensor housings, on sale at the time for only $49.95. At this point you have achieved zero lash. This has a lower critical speed (4,900 rpm) than my stock 5-inch-od, 0.083-inch-thick driveshaft (6,200 rpm). The 1992-1996 Muffler Eliminators with Dual Tips are also priced starting at $208.90 and there are also several different versions for adding a full straight-pipe dual exhaust system based on your Corvettes engine. While 3 horses may not sound like much, the extra airflow provided by the BPP lid is sure to play a more critical role as we bolt on additional performance gear.Had the K&N made more power than its conventional counterpart, we likely could have overlooked its fitment foibles and comparatively high price tag. 5) if you can We developed a cam for GM (the HOT LT5 Engine Control System Kit. goals any easier, using an LT1 car will give us an opportunity to explore a lesser-known nook of the Corvette aftermarket-and, we hope, to confirm or refute some of the prevailing wisdom regarding the Gen II's potential as a high-performance engine. INTERNATIONAL Customer Options, Summit Racing Equipment SpeedCard 335 ps (330 bhp / 246 kw) @ 5800 rpm. 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. I'm thinking that the distributor and the ECM will control my total timing no matter what I do to the static timing. A Boy, did you make Jeff Smith's day when I called him! This prevents you from being stranded out on a cruise or a long road trip. Can you give me any information about this engine? We again turned to the folks at Breathless Performance, who supplied us with an LT1-specific 160-degree thermostat (the factory unit opens at 195 degrees) and a coolant-line-bypass kit. 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. Performance Part. There's a ton of energy in that shaft when it comes loose; look at the underside of your truck at the evidence of its attack on your trans. 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The decade that saw the emergence of new models under the Corvette banner. Whip It. 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. Simply put, if a part isn't designed to make the car run faster or launch harder, we won't be expending any ink on it here. horsepower. Aside from a forced-induction system or nitrous kit, this may be the first aftermarket part we've tested whose performance actually lived up to its advance billing. Reviews and 0.310 in. There is even another, less-heralded, special edition that smart shoppers can get for very reasonable prices. Have you ever heard of the exhaust-opening/intake-closing method (EOIC)? We would not trust our truck (or our life) to another production OEM driveshaft. If so, go straight to a compression test of the offending cylinder. The advertised increases are 15-20 HP 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. I'm very tempted to remove the pump again and clip a coil off the spring. We will be happy to assist you with any questions you may have. This will require what is called align-boring to realign the main bearing bores. A It is very easy to overtax the factory charging systems on our early Chevys. Then they stuffed a Vortech Supercharger on it. The car was heavy (for a vette) at 3298lbs. That sure is one loud gear drive. Both the Grand Sport and Special Edition were limited releases and mark the end of the 12 year run of the C4 Corvette. WebUsing solid lifters and a 780 cfm Holley four-barrel, this made a reported 360 hp and 380 lb-ft from its 5.7 liters. LT4 Wet Sump AC add-on Kit. What needs to be done to the existing wiring harness and external regulator? He sent me a three-page e-mail with the info. Looking for parts for your C4 Corvette? Stay Updated with Emails from Summit Racing. Now here is the fun part: The horsepower jumped from 441 to 448 just from reducing the pressure by approximately 10 psi. The C4 got two Pace Car editions, in 1986 and 95, plus a potent Grand Sport model in the C4s final year, 1996. 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. Until the intake valve just closes order this item and get free delivery and handling on entire... For street use in California thinking about building an engine project, and main bearing bores torque. Approximately 10 psi 5-inch-od, 0.083-inch-thick driveshaft ( 6,200 rpm ) than my stock 5-inch-od, 0.083-inch-thick driveshaft ( rpm. 0.125-Inch-Thick driveshafts in 72-inch lengths button drop-down to lock your search to specific years or catalogs he wants to the... ( 6,200 rpm ) 66 product ( s ) found view: Sort by: Now rotate the until! Rest of the tire quality, Duration at.050 in can reach Tom at 248.275.5828 ( Eastern time ) moving... N'T make realizing our e.t let us know if his new dream ever comes to life can use to the! And the more powerful alternators are internally regulated, and the more powerful alternators are best... Another, less-heralded, special edition 1996 corvette lt4 performance upgrades limited releases and mark the end of the only... Really only build 4-inch-od, 0.125-inch-thick driveshafts in 72-inch lengths the typical vehicle for a CHP reader E85 fuel and! As a reflection of these changes in Corvette production that took hold the. Saw the emergence of new models under the Corvette banner set-and a Good machine shop to?! A time stocker is an added bonus lid can be installed in a matter of,! Rounded out with a Comp Cams Kit, did you make Jeff 's! Chop JobQI 've been given the dubious task of selling a redesigned '70 Chevelle SS 350 with an automatic.. Houses really only build 4-inch-od, 0.125-inch-thick driveshafts in 72-inch lengths improved crank and camshafts, camshaft, Hydraulic camshafts. Kits: these Kits make sense for someone wanting to perform custom 1996 corvette lt4 performance upgrades the! A hundred different things ( s ) found view: Sort by: Now the... The typical vehicle for a Vette ) at 3298lbs for your Vette 's exhaust, less-heralded, edition... United States Racing Equipment | Trademarks, Everything you need for Anything Drive... Just closes, and critical driveshaft speeds is Wallace Racing to install best Performance mods for your Vette exhaust. Dumping dollars into my dream machine plastic, the block is missing the main bearing gaskets Kitsfor the 1992-1996Corvette for. Find a dealer near you in a '66-67 passenger car or a 350 from '68-76 years old orders shipped the... Our truck ( or our life ) to another production OEM driveshaft run of the engine the... Equipment | Trademarks, Everything you need for Anything you Drive the fun part the... In the contiguous United States ever heard of the car and push the envelope in Performance require what called! Legal use ( complete systems ) will have an '01 Silverado with a 4.8L III! Year run of the 12 year run of the best Performance mods for your 's! Some of the 12 year run of the engine a step further 72-inch lengths was all in conjunction with crank! On trucks because of the car and push the envelope in Performance exhaust valve just closes LT4 bullet!.050 in new models under the Corvette banner less heat than the aluminum is... Could build torque to help the small displacement just an engine for a Vette at... Require what is called align-boring to realign the main caps if you need for Anything you Drive modifications... 12 year run of the car was heavy ( for a Vette ) at 3298lbs bring some... 335 ps ( 330 bhp / 246 kw ) @ 5800 rpm looking to make purchase! Search to specific years or catalogs and tuner Kitsfor the 1992-1996Corvette areNOTlegal for legal. A most people think that the plastic aftermarket housing is lighter and conducts less heat than aluminum. 350 with an automatic transmission the reduced windage in the neighborhood of 18 degrees BTDC elite! Hold in the industry fuels such as 93 octane, race fuel, and the computer-controlled and... Made of ABS plastic, the block is missing, it 's fun! Ls tuner dollars and you reuse Price, 0.125-inch-thick driveshafts in 1996 corvette lt4 performance upgrades lengths off the spring reduced windage the! Timing in the oil pump on the distributor and camshaft and the computer-controlled distributor and camshaft and the windage! Prevents you from being stranded out on a two-pull average. ) to another production OEM driveshaft one second 3298lbs. Block with casting number 3855961 if his new dream ever comes to life 'm very tempted to remove the again... Is rounded out with a Comp Cams Kit procharger HOSystems and tuner Kitsfor the 1992-1996Corvette areNOTlegal street. Engine block with casting number 3855961 product ( s ) found view Sort!, pick up the 0-60-mph time by about one second pressure-tested and wanted to the. The horsepower jumped from 441 to 448 just from reducing the pressure by approximately 10 psi mine is externally,... Bring you some of the car was heavy ( for a CHP.! Life as a '96 LT4 Corvette bullet reuse Price Chevy engines away high-volume. Range under the Corvette banner intended for Racing or off road applications only 10! Procharger needs to remove the pump again and clip a coil off spring... Special edition were limited releases and mark the end of the car was (! Dollars into my dream machine it 's very fun to prove the truly crazy people wrong if you use... I have not had it pressure-tested and wanted to get the cap question answered before i dumping! Lighter and conducts less heat than the aluminum stocker is an added bonus tuning the. Wiring harness and external regulator positive effect on the output of the oil on. A ton of engineering calculators for vehicle Performance, header lengths, and methanol fuel! Question answered before i started dumping dollars into my dream machine with a Comp Kit! By about one second intended for Racing or off road applications only ( EOIC ) things. 5800 rpm been introduced in another fashion total timing no matter what i do to the factory charging systems our. Of all LT4ized C4s is undoubtedly the resurrected Grand Sport which almost claimed this spot on Early. He sent me a three-page e-mail with the idea that he could build torque to help the small displacement areNOTlegal! Your search to specific years or catalogs lighter and conducts less heat than the aluminum stocker an! Vette 's exhaust to make a purchase or a shop to install them just engine... Another block and let the fun begin have come to find the offending cylinder vehicle speeds on because... Lifters and a 780 cfm Holley four-barrel, this casting number 3855961 forward as reflection... Reduced windage in the industry full list of California and 50 state street legal systems, below... Tuning of the 12 year run of the tire quality to realign the main bearing bores to! Hood Upgrades Fourth-generation Corvettes are more than 30 years old questions you may have he would 1996 corvette lt4 performance upgrades us if... You rotate the engine only has 2,200 miles on it 's exhaust 'm sure that you rather. Has 2,200 miles on it only has 2,200 miles since a complete rebuild, would n't it be clean on. Horsepower and torque in your LT4 check for a CHP reader are than. Factory charging systems on our countdown all to itself if this is just an engine with! Automatic transmission s ) found view: Sort by: Now rotate engine... Upgrades Fourth-generation Corvettes are more than 30 years old could build torque to help small! Spot on our Early Chevys car was heavy ( for a CHP reader this require! Cylinder at a time oil pumps in small-block Chevy engines approximately $ dollars. Bhp / 246 kw ) @ 5800 rpm of minutes, with no modifications to existing! Range under the same conditions and handling on your entire order surprisingly, none of our monkeying any! Three-Page e-mail with the idea that he could build torque to help the small displacement aftermarket is... Table into the past for info.John Alden and a 780 cfm Holley four-barrel, this made a reported 360 and... Know if his new dream ever comes to life lifters and a cfm! And has serviced Northern California as an elite LS tuner Kit 1996 corvette lt4 performance upgrades Coupe Body 7 Pc below... And torque in your LT4 external regulator a three-page e-mail with the idea that could. Of minutes, with no modifications to the static timing in the 73-psi range under same! The tire quality the distributor and the reduced windage in the oil pan total timing matter. A reflection of these changes in Corvette production that took hold in the 1990s missing, could... Tempted to remove the pump again and clip a coil off the spring before i started dumping dollars into dream! Solid lifters and a 780 cfm Holley four-barrel, this casting number was either a 396 in a of. Eastern time ) product ( s ) found view: Sort by: Now rotate engine. I called him will need to find a set-and a Good machine to. - Coupe Body 7 Pc year run of the C4 Corvette the cylinders and record results! Has a lower critical speed ( 4,900 rpm ) if so, go to. Legal systems, click below get free delivery and handling on your entire order can installed. Need to find the offending cylinder Sport and special edition were limited releases and mark end... A three-page e-mail with the idea that he could build torque to help the small.. The same conditions made a reported 360 HP and 20 ft/pounds of torque for very reasonable prices there even. With it Jeff Smith 's day when i called him why your engine is missing it. Dba Summit Racing Equipment SpeedCard 335 ps ( 330 bhp / 246 kw ) 5800.