Actual dyno testing revealed axle-wrenching figures of 550 to 570 HP at 6200-6400 RPM and 470 pounds feet of torque at 5200 RPM. Experts say a spot-on replica of a 1969 ZL1 427 Chevy engine could go for $100,000 or more at the Barrett-Jackson Scottsdale auction in January. I am now within 1/8" of the hood. Jul 13, 2016 · We're assembling a factory-specification 1969 L78 396 and dyno testing the finished engine to see how much horsepower it really makes. The L88 engine is simply an ZL1 without the aluminum block. Sep 14, 2018 · Hitting The Dyno And as if to confirm Golen’s statement, once they got the 502 on the engine dyno the engine made great power but just a little shy of what they typically see. Official dyno sheets show an output of 588 hp at 6400 rpm and 542 lb-ft at 4800 rpm. A comprehensive and growing reference library that encompasses everything about these cars: from in-depth overviews and extensive technical info on each model year. Shop chevy 427 in stock today online. More listings are added daily. Underrated at 430 horsepower, it was common knowledge that upwards of 500 ponies could be conjured out of the engine with the right components. dart shp splayed cap block bored 4. The LS4Store provides resources and links to both OEM / Replacement and Aftermarket / Performance-Oriented parts for GM W-Body cars with LS4 engines, including the 2005 - 2008 Pontiac Grand Prix GXP, the 2006 - 2007 Chevrolet Monte Carlo SS, the 2006 - 2009 Chevrolet Impala SS, and the 2008 Buick Lacrosse Super. Duntov Motor Company is the exclusive licensee for the continued production of the authentic original Corvette Grand Sport. Late GS #003 L88 Traco inspired engine compartment. 19331572 - GM ZZ427 480HP Crate Engine Power: 480 HP @ 5800 RPM, 490 ft. I was wondering if anyone with a similar setup had any real dyno numbers. what hood are you guys running, im looking to run a L88 hood. The L88 was a full package, and the previous options had to be ordered to make your car a true L88. Browse our catalog of 69 78 now!. 4mm) Exhaust valves (as opposed to the 1. A couple years ago, someone took an unrestored ZL1 Camero to a dyno, pulled 375 rear wheel HP. It dyno'd @286 h. 1980 Chevrolet Corvette w/ 383 Stroker Motor. Introduced in January 1995, it is a "clean sheet" design with only rod bearings, lifters, and bore spacing in common with the longstanding Chevrolet small block V8 that preceded it as the basis for GM small-block V8s. Located in Miami Fl 33186. Edelbrock is the most respected name in performance. The following Corvettes are sold Corvettes from the ProTeam Classic Corvette Collection and Sales. i have a 600hp dyno'd 408 ls3 based engine that through a chassis dyno, th400/atlas 4 speed, heavy drivelines and 37" tires put 426 down My buddys set up is right about 500hp crate and his put 330 down on a chassis dyno Your numbers seem right to me. 1mm) combination used in the LT1) were made lighter to reduce inertial stress, both intake and exhaust valves are hollow and the latter sodium & potasium filled to improve heat transfer. HEMI This was one of the more hotly contested pairings of our little shootout. If you're looking for a modern version of the classic L88, the Chevrolet Performance ZZ427/430 Crate Engine is the answer. not bad for 1963 technology More information Find this Pin and more on Smokey Yunick by Gary Larson. Packed with factory competition hardware the L88 package was an ordering option that made the Corvette a pure race car. The L88 427 was the ultimate expression of Chevy’s production Big-Block power, combining a rigid iron cylinder block with lightweight aluminum cylinder heads. " The cast iron L88 427s produced over 550 horsepower. Touring Models - Rear axle adjuster cam - Has anyone had a problem with the right side adjuster cam slipping out of place when you torque the cone nut down? I have a 08 ultra classic just put new tires on, put everything back together by the book. 0-liter) V-8 that was all aluminium. This vette was built from a beautiful original paint 350/350 corvette (no accidents) to start with. Dyno tests have shown the actual horsepower rating to be closer to 560 HP. It somewhat high revving just like RA V because even it using 4. The L82 350 was a. Apr 09, 2009 · There were more ZL-1 Camaros than Corvettes (69 built) and I can't exactly recall if those Vettes were hand-built cars. ISKY Racing Cams : - Retainers Apparel And Literature CAMSHAFTS Tools Valve Seals VALVE SPRINGS Special Order Roller Lifters Push Rod Valve Stem Oil Seal Engine Degree Wheel Distributor Drive Gear Shirt Camshaft Thrust Button Valve Spring Kit Timing Set Camshaft Kit Valve Spring Tester Camshaft Lifter Rocker Arm Rev Kit Engine Builder Tool Kit Valve Stem Seal Tool Hat Valve Spring Retainer. Over 50 years of research and design has made Howards Cams a trusted name in performance. Period-correct L88 Big-block Dyno'd; Going in Falfa '55 Enginelabs. 2001 LS6 Engine Comparison The Corvette Action Center would like to thank Hib Halverson, Corvette Journalist, Internet Contributor of Corvette Material and Corvette Action Center Community Member for help with some of the specifications listed below. I first saw this Corvette back in 1996 at Bloomington Gold when it was presented in its Gulf Oil decals and stripes. During the dyno test the transmission is filled with the correct amount of fluid to check the mechanical workings of the transmission. See the dyno graphs below for the '292 engine and the Goodwrench engine. Browse our catalog of 69 78 now!. The 427 Big-Block: Comparing L88, ZL1, ZZ427 Engines. 468" lift and 252/262 duration, which seems like it would be healthy in the temporary 305. The L88 427 cubic inch engines were significantly different from other 427 GM engines. p/n 3925535 or 3928911 (c/n 3925536) 427/430 hp L88. My comment was tongue in cheek. The 1985 Corvette represented the second year of the fourth generation of Corvettes. Apr 09, 2009 · There were more ZL-1 Camaros than Corvettes (69 built) and I can't exactly recall if those Vettes were hand-built cars. Pthere was a special 396 built in either 65 or 66I don't have the number,s off hand but it was stamped on the rear of the blockS. The engine is built from a block dated May 1969 and features numerous. This site serves as a resource for readers to share information about their fast cars and motorcycles, find out what other cars are running, and what modifications it took to get those times. What we didn't know until we chucked the motor on a dyno is we built a little 427 that is knocking on the door of the race-only L88. 421 Super Duty VS the 409 or 427-Z-11 cars Ron, If you haven't read the book "Factory Lightweights" by Charles R. Actual L78 production is 3,823. Email alerts available. l88 The 427 big block could be had in a variety of configurations, but none make a Chevrolet enthusiast smile as quickly and easily as the L88. The performance didn't stop at the engine, though, and both Corvettes feature a. In mid summer 1969 I had the opportunity to swap the original engine for a fresh, blueprinted L88 427 (bigger engine even bigger mistake swapping my original engine). 1mm) combination used in the LT1) were made lighter to reduce inertial stress, both intake and exhaust valves are hollow and the latter sodium & potasium filled to improve heat transfer. 1970 340 Chry. B/B Open Chamber Dome These big block pistons are an excellent choice for drag race applications. Gen 5 4 bolt main ,4. In rating the L88, Chevy quit the dyno run well below the rpm where it had maximum torque, much less maximum horsepower. Extraordinarily well document factory L88 Corvette, including early photos of the car, owner and race history. But the 1969 L88 being offered Saturday, May 3rd, during Worldwide's auction is one of the most desirable original condition third generation L88 in existence and arguably may be the finest; that is saying a lot. Period-correct L88 Big-block Dyno'd; Going in Falfa '55 Enginelabs. Dated Aluminum radiator (with 1965 396 fan shroud for cooling improvement). lsx engine. Not only did we build a pretty healthy engine, we did it. ft) at 5600 rpm. Compression Height figured using 9. At 4500 it is making 330 tq and 275 hp at wheels, at 5500 it is making 390 tq and 400 hp at wheels. 1980 Corvette engines have the last six digits of the VIN stamped on the block after the engine number. Feb 11, 2015 · Yes it had a lower HP rating unless you bought the LS6 but in reality the LS6 made just a little north of 510hp according to dyno tests that were run a few years back on an unrestored untouched 70 LS6 Chevelle. Repainted a high gloss rally red. In a Pure Stock Drags race, the C3 lifts its nose to its Chevelle competitor and absolutely walks away from it. Reconfiguration from prior early SBC 377 that was built for this car in 96 and shown nationally since then. Though the ’67 Le Mans effort failed, Jerry Thompson, a GM dyno technician, and Tony DeLorenzo, the son of a GM executive, put their Owens-Corning L88s in the winner’s circle in every A. It may comeas a shock, but this musclecar-loving automotive. We did an L88 Chevy, a 427 tunnel port FE Ford, and a 426 HEMI for them to dyno test. Introduced in 1963 on Pontiac's 389 and 421 cu in (6. The L88 is extremely rare and valuable as only 116 were built in 1969. Chevrolet most definitely wanted to keep the L88 out of the hands of street drivers and on the race track, so power was rated at just 430 hp @ 5200 rpm. These cars came equipped with a 427 cubic inch engine, a L88 competition hood, heavy-duty M22 four-speed transmission, and even special brakes, suspension, and an ignition system. With open exhaust, the L88 recorded 560 hp on the dyno, though the factory claimed 430 hp, five less than the street L71. We now have a SAENZ model 680 flow bench which we all enjoy using. Read honest and unbiased product reviews from our users. GM recommends that all sanctioning bodies, track operators or promoters have rev-limits written in their rule book. 1969 Corvette Horsepower. On the dyno, the engine produced a whopping 1,132 horsepower at 7,200 rpm, with peak torque of 928 lb-ft at 5,600 rpm. Kooks an Armageddon have teamed up to bring you the ultimate Twin Turbo system for your 2011-2014 Mustang GT / Boss 302 5. Jul 31, 2015 · I bought a 69 Camaro from a guy in Texas with an old Chevy crate engine in it called an LS7 Big Block. We dyno test a 454ci big-block 1969 Chevrolet Corvette and see if it can make the 600hp we hope it can make. The engine is built from a block dated May 1969 and features numerous. l88 or l89 aluminum heads Just wanna say hi to everybody I recently purchased a set of old l88 or l89 aluminum heads they where bare and have been milled alot and are set up for 2. Also we break open the oil filter after dyno testing and inspect for debris to ensure that the engine is perfect internally. 1967 Camaro - $1,799. 408ci LS V8 using 6. Corvette marketers, wanting to hold down demand for the racing engine, shut off its dyno run at 5,300rpm when it showed only 430 brake horsepower. There were more ZL-1 Camaros than Corvettes (69 built) and I can't exactly recall if those Vettes were hand-built cars. I know that the original engine available in my 68 was a 427, and they seem to be very much more sought after than 454's, but is there any disadvantages to the 454?. The Ford 300 cubic inch straight-six is a staple of American truck culture, having literally helped build this nation as we know it. I finished this on Sunday morning without the carb spacer and there was a very noticeable improvement in acceleration at 60mph while in 6th gearjust seemed like I did not have to. The big block engines are a series of V8 engines developed. Oct 22, 2017 · Still, Chevy rated the Camaro ZL1's L88 427 CI Big-Block at 430 horsepower when in reality it was making well over 500 horsepower. The Other COPO's: COPO 9561. Get Your Motor Running Repairing an older vehicle, or sprucing up your daily ride? eBay has everything you need for maintaining your car, truck or motorcycle—not to mention boat parts, trailer parts, camper parts, ATV parts and more. Aug 09, 2018 · Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. Working lights with Led rears. The highest tq reading on any run was 666. The ZZ427 comes complete with high-flow oval port heads, a high-lift camshaft, an aluminum intake manifold, 770cfm Holley carburetor, an HEI distributor, aluminum water pump, balancer, spark plug wires and a 14in flexplate. Mar 20, 2019 · On top of the cost of the L88 package, ticking the ZL1 box on the option sheet made the buyer an astonishing $3,010 poorer for a stratospheric grand total sticker price of $10,771. Hard to beat prices on tested gm! Presenting a huge assortment of Tested Gm available for sale here online. The "rock-crusher" M22 four-speed and heater-delete were mandatory options; radio, air conditioning, and power steering weren't available with the L88. Located in Miami Fl 33186. of torque at around 3,600 rpm, and topped out at 509 horsepower at 5,800 rpm. The Chevy L88 heavy-duty 427 big-block was factory-installed in '67-'69 models, while the original all-aluminum 427ci ZL1 was an option only in late '69s, so the differences depend on which. 1973 Dealer Specifications Guide; 1973 Overview ’73 Corvette Facts; 1973 Engine Specs; 1978 Specs. The last thing the video shows us is the result sheet of the dyno test. Said to be "underrated by GM at 430 horsepower," Barrett-Jackson cites dyno-testing that brought other L88 models to 560 horses. The names Barrett-Jackson, Barrett-Jackson. The Pro-Filer Spreadport HITMAN Series of intake manifolds have transformed the market forever. You might get by with a can of booster or a snow kit,but who knows. Sep 28, 2018 · The L88 engine is a legend, and was installed in Corvettes from the factory and some Camaros at the dealership. Did you mean to compare the L72 (427) to the LS6? The L72 is a great engine used in the 1966 Corvette and Passenger (full size) and the 68-69 Passenger (full size) and in 427 COPO cars including Yenkos. Rated at 430 hp, it was well known among racers that a stock L88 engine produced between 540 to 550 hp on the dyno. The L88 427 cubic inch engines were significantly different from other 427 GM engines. 540 HP Dressed Long Block Crate Engines PS4272CTC and get Free Shipping on Orders Over $99 at Summit Racing! Does your car need more power? Of course it does! Install 540 hp and be the envy of the block. Since the 1960s, Lunati has manufactured engine components of the highest quality using cutting-edge technology. No rust thru on body. Corvette Crossfire Engine. 3L L83 Engine Combines Direct Injection, Active Fuel Management, and Dual-Equal Camshaft Phasing. com is your single resource for all things related to the Corvette. Did you mean to compare the L72 (427) to the LS6? The L72 is a great engine used in the 1966 Corvette and Passenger (full size) and the 68-69 Passenger (full size) and in 427 COPO cars including Yenkos. The biggest and baddest Corvette of them all was the L88 built from 1967 to 1969. Every part was individually weighed, blueprinted, fitted. The 427/434 will accelerate most medium to heavy cars dramatically quicker than the common 383's on the market. This engine produces a maximum power of 431 PS (425 bhp - 317 kW) at 5600 rpm and a maximum torque of 644. Its redline was 6,500 rpm where each carefully built L88 V-8 made something like 550hp. Aug 22, 2018 · On the dyno, the engine produced a whopping 1,132 horsepower at 7,200 rpm, with peak torque of 928 lb-ft at 5,600 rpm. Used, 402 Big Block Chevy Engine, High Performance. Whether it's a Camaro, Nova, Chevelle, El Camino, Monte Carlo, GM Pickup Truck or full-size passenger cars; we're here to help. Although the L88 package was the preferred package for many drag racers, enthusiasts got their first taste of the L88 when Roger Penske drove a Sunoco-sponsored '66 Corvette Sting Ray powered by a pre-production L88 in the 24 Hours of Daytona endurance race in 1966. Reconfiguration from prior early SBC 377 that was built for this car in 96 and shown nationally since then. The claimed 585 hp is of course gross rating, the net rating according to a dyno test with proper exhaust, air cleaner, accessory belts and stuff is 376 bhp. The dyno pull also showed that this 427 was a truly torqueybeast, powering over 450 lb-ft of torque right from 3,500 rpm andholding nearly flat to the top at 4,500. When a previous owner (Wayne Walker of Zip Products) had the motor dyno tested, it produced 523 horsepower at 7,000 rpm, with all stock Chevrolet parts. Chevrolet most definitely wanted to keep the L88 out of the hands of street drivers and on the race track, so power was rated at just 430 hp @ 5200 rpm. BluePrint Engines builds Ford, Chevy, and Chrysler crate engines. Period-correct L88 Big-block Dyno'd; Going in Falfa '55 Recreation By Mike Magda June 28, 2013 The story behind this L88 clone is much more than just a big-block Chevy fan fulfilling a youthful fantasy on the dyno. The 8180 gasket allows full coolant flow at the end of the cylinder head and restricts coolant flow by the lower head bolt bosses, while the 8523 restricts coolant flow at the ends and offers full coolant flow by the lower head bolt bosses. Factor in a brilliant and correct. For best results, please be specific and be patient. There are 98 1968 Chevrolet Corvettes for sale today on ClassicCars. Rated at 430 hp, it was well known among racers that a stock L88 engine produced between 540 to 550 hp on the dyno. No other form of power generation comes close to deliver- ing so much horsepower for so little money. With stock exhaust manifolds and operation in the 6,800 rpm range, it was generally accepted that the engine was capable of producing in. The body was completely redesigned with the coupe losing it's fastback window but gaining a removable back window and removable t-tops for that almost convertible feel. Edelbrock Performance Cylinder heads are manufactured of A356 aluminum and made in the USA for AMC, Buick, Chevy, Chrysler, Ford, Oldsmobile, & Pontiac engines. The Barrett-Jackson witnessed the sale of this model at $3. It has all the bells and whistles and even gives us information that we didn't even ask for. Because the Corvette has no body, he fabricated special brackets to hold all the components to make the car street legal. The 1971 Oldsmobile 4-4-2 W-30 was the last of a muscle car breed. 3L L83 Engine Combines Direct Injection, Active Fuel Management, and Dual-Equal Camshaft Phasing. The LS4Store provides resources and links to both OEM / Replacement and Aftermarket / Performance-Oriented parts for GM W-Body cars with LS4 engines, including the 2005 - 2008 Pontiac Grand Prix GXP, the 2006 - 2007 Chevrolet Monte Carlo SS, the 2006 - 2009 Chevrolet Impala SS, and the 2008 Buick Lacrosse Super. Sep 08, 2017 · After seven generations of front-engine, rear-wheel-drive Chevrolet Corvettes, the C8 is switching to a mid-engine configuration. 5 : 1 pistons, a 850 CFM 4 barrel carburetor, aluminum heads and a cold air induction. 5 to 1 compression(i was told) and used for about 10 years. See our Intake manifolds - 350 320 318 Chevy. Click here to see dyno sheets: Dyno Sheets Click HERE!! 770HP. Jul 31, 2015 · Rated at 480 hp and touted as a modern-day L88, the ZZ427 carries many of the same features found in the 427ci/430hp L88 introduced in 1967, but with new, high-end Chevrolet components and parts. It has all the bells and whistles and even gives us information that we didn't even ask for. The L88 stinger hood actually functions as cowl induction. No rust thru on body. Aug 21, 2014 · Cammer–the real story of the legendary Ford 427 SOHC V8. These crate engines are high performance drop-in engines, sometimes called stroker engines. find great deals on ebay for l88 heads and 3946074. """" Engine displacement doesnt figure in the equation. Carcella agreed, and over the next few days the whole car was heavily modified to accept the 427 cubic inch Chevy engine. CH-881 68-74 Nova Full wrap around front end with bumper built in $699 CH882 $899 with "Chin Spoiler" Built in: CHEVY II NOVA 1968-1974 1968 Nova, 1969 Nova, 1970 Nova, 1971 Nova, 1972 Nova, 1973 Nova,1974 Nova. Maximum limit for 602 engine is 5500 rpm. It's Greek jargon, or street parlance to the rest of the world, but it often defines us. A Chrysler low-deck 400 in a Newport is a far cry from the L88 427 in the Corvette Apples and oranges comparison. Sep 08, 2017 · After seven generations of front-engine, rear-wheel-drive Chevrolet Corvettes, the C8 is switching to a mid-engine configuration. How did GM get away with that? Simple. Just like our 24x and 58x offerings, these all new Gen 5 V8 stand alone harnesses are built for full function, closed loop control, and designed for non-emissions use (no post-cat O2's, purge canister, or fuel tank evap interface). Most 307's had 153's, and most 350's had 168's, but you could put a 153 on a 350 or a 168 one a 307. Expect to pay a lot of money if you even find a usable pair. Nov 27, 2013 · For maximum airflow, you want the largest air cleaner element or assembly that will fit the confines of the engine or engine compartment. I have always had small blocks, and still do, currently, but I know someone offering a good deal on a 454 big block, very nice. Are you trying to find 1971 chevrolet corvette values? The Hagerty classic car valuation tool® is designed to help you learn how to value your 1971 chevrolet corvette and assess the current state of the classic car market. Theres not alot of info out there on these. Cammer-the real story of the legendary Ford 427 SOHC V8 Posted on August 21, 2014 by MCG In the 1960s, Ford's overhead-cam 427 V8, popularly known as the Cammer, became the stuff of myth and legend. Every single product we sell undergoes extensive testing and analysis to ensure the end result is a superior product that can withstand demanding race conditions. 495, To view links or images in signatures your post count must be 10 or greater. L88 cylinder heads download l88 cylinder heads free and unlimited. Custom Crate Engines by Proformance Unlimited is one of the leaders in the muscle car industry. 7 liters Block Material: Cast Iron. This 427 cubic inch motor uses a DART SHP block bored 4. Oct 27, 2019 · Motor Trend dyno’d a pre-production 2020 Chevrolet Corvette Z51 at 558 horsepower and 515 pound-feet of torque on the wheels. Aug 17, 2012 · The Dyno results are 534 HP at 6300 RPM and 501 Ft Lbs TQ at 4600 RPM. Maximum limit for 602 engine is 5500 rpm. Even it stated in 430 Hp, but actual output is 530 @ 6000 rpm. The L88 high-rise intake manifold is a key component to making more high rpm horsepower by providing increased airflow to the rectangular port big block Chevy cylinder heads. The car would get tucked in a friend's storage barn for several more years. Sep 03, 2012 · Sure enough: 425 hp. 1973 Dealer Specifications Guide; 1973 Overview ’73 Corvette Facts; 1973 Engine Specs; 1978 Specs. High Performance, Marine, Automotive, Diesel, Gas, Alternative Fuel, Restoration, and medium duty truck engines are the main focus. Between 1967 and 1969, the legendary L88 was the ultimate expression of Chevy's Big-Block power, combining a rigid iron cylinder block with lightweight aluminum cylinder heads and a single four-barrel carburetor. By the late 1970’s, Corvette production was moving at a pace that had never been seen in the history of the car. 0 L) Corvette. There are 8 1970 Chevrolet Camaro Z28s for sale today on ClassicCars. The Complete History of Chevy Big-Block Engines The Family Tree Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles. Then factor in the all-aluminum LS7 or LS9 engine, aluminum transaxle, etc, we're looking at a car that even the Greenwood racer would have struggled to keep up with at Nurburgring. The explanation I've generally heard is that Chevrolet underrated the L88 to discourage ordering by owners who just wanted the most powerful 'Vette available and didn't understand the various tradeoffs the L88 posed for normal driving. One of the L88-powered Corvette's distinctive features was its highly-domed hood. Chevrolet Corvette C3 454 LS6 425hp Specs. An excerpt from Corvette - America's Star-Spangled Sports Car by Karl Ludvigsen. Other bases were also dropped and were used on various SBC engines. This book covers rebuilding the VW Type 1, 2, and 3 engines beginning in 1961, when a significant redesign improved the basic initial design. More listings are added daily. Understanding Camshafts. 25 to 1 compression ratio runs on 91 octane pump gas. With ONLY swapping on headers and a 1" carb spacer, it made 512hp. There were more ZL-1 Camaros than Corvettes (69 built) and I can't exactly recall if those Vettes were hand-built cars. But it's a lot more complicated than that. It's not that far behind the new killer kitty. 19331572 - GM ZZ427 480HP Crate Engine Power: 480 HP @ 5800 RPM, 490 ft. GM recommends that all sanctioning bodies, track operators or promoters have rev-limits written in their rule book. SVRA hosts thousands of race cars at our events. Corvette C3 - Public Race Days 2013. The Corvette L88 was a factory-built race car that advertised an output of 435 horsepower, but likely made at least 100 more than that. The LS based small-block engine is the primary V8 used in General Motors' line of rear-wheel-drive cars and trucks. The L88 was a competition-grade version of the 427 that used a racing cam, solid lifters, high-flow aluminum heads, and other competition parts. Chevrolet Performance Bow Tie Cylinder Heads are an ideal combination of street drivability and drag strip performance. Aluminum heads with casting number 3919842 were factory cylinder heads for L89 and L88 engines. When used in combination with the Moroso BBC oil pan #21049, dyno results show an increase in horsepower with impressively constant oil pressure. In Chapter 34: 1967 and L88 Origins, Ludvigsen discusses the roots of what many consider to be the ultimate Corvette: the 1967 L88 Stingray with its powerful, track-ready V8 engine. Because the Corvette has no body, he fabricated special brackets to hold all the components to make the car street legal. We now have a SAENZ model 680 flow bench which we all enjoy using. 427 Chevy Engine History. Run on the dyno with the Hooker headers, Holley carb, and MSD distributor, the amazing little Boss 302 pumped out 374 hp at 6,700 rpm and 324 lb-ft of torque at 4,300 rpm. Victory by Design Corvette L88 Coupe 1967 l88 1968 l88 1969 l88 l88 corvette speed channel victory by design. While the aluminum-headed 427 was only offered in production vehicles between 1967 and 1969, its demand carried on for decades. 250 ,Manley H Rods ,Dart CNC 335 heads ,jesel belt,jesel. wondering whos running a big block and commander 950. 0litre block Stroker kit with CP Bullet forged pistons and COME billet plate 4340 steel “H” beam conrods, forged 4340 steel 4. 7" or 6" rod instead of the 400s 5. I grew up in Thousand Oaks California, By 4th grade I knew what a ZL1 L88 LS6 were part by part, you could say I was very into Big Block Chevrolets. 427 Chevy Engine History. Various techniques for coupling the engine to the rest of the drive train by electric and vacuum-operated clutches, fluid drive mechanisms, and Henry Ford's foot-actuated planetary drives in his Model Ts have been tried. The claimed 585 hp is of course gross rating, the net rating according to a dyno test with proper exhaust, air cleaner, accessory belts and stuff is 376 bhp. 7l displacement - just with different heads and intake. Also we break open the oil filter after dyno testing and inspect for debris to ensure that the engine is perfect internally. Dyno Testing Fabspeed Motorsport's state-of-the-art DynoJet dynamometer allows for precise measurement of horsepower and torque on all wheel drive, rear wheel drive, and front wheel drive vehicles. Anyone here ever dyno a stock L78 Drivetrain & Performance Anyone here ever dyno a stock L78 - Chevy Nova Forum Steve's Nova Site is an automotive enthusiast website dedicated to the 1962 - 1979 Chevrolet Nova, Chevy II and Acadian automobiles. com - rbuter123. More listings are added daily. 1954 chevy bel air restomod build ~ supercharged 2001 corvette z06 - 454 lsx-powered custom c5 - vette magazine. My comment was tongue in cheek. 88-inch valves. Period-correct L88 Big-block Dyno'd; Going in Falfa '55 Recreation By Mike Magda June 28, 2013 The story behind this L88 clone is much more than just a big-block Chevy fan fulfilling a youthful fantasy on the dyno. To put it into perspective, 50 years later, the ZL-1 is still (in adjusted dollars) the most expensive engine ever offered by General Motors. The 427cid L88 V8 was rated at 430 horsepower, though dyno tests showed the engine made well over 500. 565 then get pistons to match the new piston pin location. Extraordinarily well document factory L88 Corvette, including early photos of the car, owner and race history. That would help my 60 ft times but doesn't resolve the issue of the low numbers on the dyno. At least 2 ZL-1s were built with COPO 9737, as were some of the L72 COPO's ordered by other dealers. Sell 454 CHEVELLE CORVETTE ENGINE XCH SUFFIX CODE LS7 (BIG BROTHER TO LS6 L88 & ZL1) motorcycle in USA, United States, for US $12,500. Complete Open Chamber heads (‘441, ‘487 or ‘993) with “Undercover Porting“. They had a forged and Tuftrided crankshaft, 12. Showcasing a vast variety of zl1 z28 outer beltline on sale right now. Email alerts available. 5-1 with full floating pins. 1980 Chevrolet Corvette w/ 383 Stroker Motor. The engine won instant fans, because the powerplant offered versatility and piles of horsepower. It has all the bells and whistles and even gives us information that we didn't even ask for. Expect to pay a lot of money if you even find a usable pair. 408ci LS V8 using 6. I grew up in Thousand Oaks California, By 4th grade I knew what a ZL1 L88 LS6 were part by part, you could say I was very into Big Block Chevrolets. Search over 13,700 listings to find the best local deals. The explanation I’ve generally heard is that Chevrolet underrated the L88 to discourage ordering by owners who just wanted the most powerful ‘Vette available and didn’t understand the various tradeoffs the L88 posed for normal driving. The L88 was more of a racing engine then the LS6. The true L88's but have sit a lot higher than my whimpy small block as I added both a 1" carb spacer & 1" air base to carb spacer. Oct 27, 2019 · Motor Trend dyno’d a pre-production 2020 Chevrolet Corvette Z51 at 558 horsepower and 515 pound-feet of torque on the wheels. The L88 was a 427 cubic inch (7. 56:1 Positraction rear end, and many of the normal comforts have been deleted. That very model sold at a Barrett-Jackson auction for $3. And visit us on FACEBOOK too for late breaking and up to date commentary. Here is a profile of the 1971 Oldsmobile 4-4-2 W-30, with photos and specifications. Fresh no runs since DYNO TUNED. HEADPHONES RECOMMENDED FOR BEST SOUND :) I have filmed this Chevrolet Corvette L88 Race Car making an incredible V8 Sound at Cholmondeley Pageant of Power 2013. 25 to 1 compression ratio runs on 91 octane pump gas. Without adequate airflow, the engine will never make power. The basic LS variations use cast iron blocks, while performance editions are all aluminium with cast iron cylinder liners. of torque @ 3800 RPM (click on documents tab to view actual Pace dyno sheet). If you like this content, CLICK HERE and bookmark the page for more great stories. OWNSTER - classified search results for 3946074 parts. For 1968 the L88 engine package included aluminum heads, 12. Though the '67 Le Mans effort failed, Jerry Thompson, a GM dyno technician, and Tony DeLorenzo, the son of a GM executive, put their Owens-Corning L88s in the winner's circle in every A. Not only does it reveal the exact RPM, torque rating, and horsepower, but also all of the levels in between. On top of the cost of the L88 package, ticking the ZL1 box on the option sheet made the buyer an astonishing $3,010 poorer for a stratospheric grand total sticker price of $10,771. Official dyno sheets show an output of 588 hp at 6400 rpm and 542 lb-ft at 4800 rpm. Features & Benefits. Ever wondered how a 426 Hemi, 351C, or L88 rat motor would run with fuel injection? FAST™ has the components to help you find out*! A sixteen-injector unit is even available for ultra-high horsepower race engines that can’t get enough fuel with a mere eight fuel injectors. 7l displacement - just with different heads and intake. Prior to the swap, using the unported stock 193 heads, it dynod at 210 rwhp and 330 rw ftlbs, and ran 14. Edelbrock sell a version of the 14" diameter L88 type drop base air cleaner assembly. The engine is built from a block dated May 1969 and features numerous. Oct 23, 2003 · Personally after driving cars with both, stock there is no comparison to the hemi a friend has a hemi cuda that i have driven a time or 2 and my father used to own a 454 corvette and the performance in the hemi was majorly better not to mention that the corvette never once lost by less then about 3 carlengths when we ran them. Compression turned out at 9. 5psi!!! 615rwhp!With only. Aug 17, 2012 · The Dyno results are 534 HP at 6300 RPM and 501 Ft Lbs TQ at 4600 RPM. Corvette marketers, wanting to hold down demand for the racing engine, shut off its dyno run at 5,300rpm when it showed only 430 brake horsepower. Was a driver but have been parting out due to leaving car hobby. The 8180 gasket allows full coolant flow at the end of the cylinder head and restricts coolant flow by the lower head bolt bosses, while the 8523 restricts coolant flow at the ends and offers full coolant flow by the lower head bolt bosses. Did you mean to compare the L72 (427) to the LS6? The L72 is a great engine used in the 1966 Corvette and Passenger (full size) and the 68-69 Passenger (full size) and in 427 COPO cars including Yenkos. During the dyno test the transmission is filled with the correct amount of fluid to check the mechanical workings of the transmission. Re: Super Chevy Muscle Car Dyno Wars I agree with all of that, I just thought that the Yenko or LS6 would have showed something in the low 400 range, since all the claims from back in the day were that their supposed 450 hp was conservative "for insurance reasons". In rating the L88, however, Chevy quit the dyno run well below the rpm where it made maximum torque, much less maximum horsepower. 00” stroke crank Kit includes moly race rings, rod and main bearings, new GM crank angle sensor fitted and indexed with whole assembly internally balanced. Has very hard to find P7 M-22 rock crusher 4-speed trans. The L88 high-rise intake manifold is a key component to making more high rpm horsepower by providing increased airflow to the rectangular port big block Chevy cylinder heads. 7 liters Block Material: Cast Iron. The car (1990 454ss 4500 lbs) will mostly be operated on the street but would like to take it to the track once in a while I would like it to have some where. As a high-performance race engine, the LS7 crate engine is a benchmark in naturally aspirated power - see images, dyno specs, installation info and more. The claimed 585 hp is of course gross rating, the net rating according to a dyno test with proper exhaust, air cleaner, accessory belts and stuff is 376 bhp. General Motors Engines We’ve compiled a comprehensive guide of General Motors engines used around the world. The document has moved here. New 454 gen 6 block,eagle stroker kit,242/[email protected],hydraulic roller,600' lift,112 deg,10:2:1,patriot heads,L88 intake,850 holley. 4mm) Exhaust valves (as opposed to the 1. Arguably, the greatest battle that has ever emerged in the automotive world is the battle between the Mustang and the Camaro. A modern take on the L88.