As mentioned earlier, the original LS6 454 cubic inch V8 engine was blown and replaced in the 1970’s with a GM replacement block. ? These motors were both around in 1970. 435-hp 427 tested two years ago (September '69) turned 106.8 mph. The stroker is backed by an M22 four-speed and the IRS contains 3.70:1 gears. Bob, the founder and president of the Tampa Bay Classic Chevy Club, bought the car back in the '80s, and after years as a driver and custom '57, Bob restored the car to original specs a few years ago. Most engines that make peak HP at higher RPM make lower torque than low revving, low HP engines that make a lot of torque. Chevelle freaks can win a completely restored 1970 Chevelle SS396 sponsored by OPGI from the Dream Giveaway for a mere $3 donation. The new SS 454 package cost $503 and included a 360-bhp hydraulic-lifter 454 called the LS5. Fortunately, the Corvette engineers were able to get the LS6 454 … The LS6 … Still have questions? Recently it scored 997 points out of a possible 1,000 at a show. Could someone list the engine specs for a 1970 454 LS6 engine. Include a photo of the car and all the pertinent info about it. 1967 Shelby Cobra. - Day Three Build Recap, Week To Wicked: Building a 1955 Chevy in 5 Days! If you don't count the L72 427's early rating in the '66 Corvette (450 hp), the LS6 would be the most powerful engine to ever make residence between a Chevy's fenders until the LS7 came out in the 21st century Z06. The L72 saw service over four consecutive model years and was replaced by the 1970 LS6 454. Whether you are talking about looks or power, Chevy had the whole combination. Spec'd out by GM at 450 hp, it came with 11:1 compression, rectangular port high-performance heads, solid lifter cam, aluminum intake and Holley carburetor. Some of the changes were: The LS6 intake … Ultimately, it rolled the Dynojet to 2.5 more horsepower than the LS6, and slightly more torque at the peak. LS motor never went to the Big Block side of the family. I'm mainly referring to the torque rating. A classic from what can be called the first real year of Chevrolet high performance, the 245 hp, dual-carb-equipped 283 was the hydraulic cammed sibling of the dual-quad, solid lifter- equipped 270-horse 283. But the F-body had the benefit of a manual transmission. Options are 12, 12 age, 12 lithium, and 6.? Was the LS6 454 Chevy underrated? After that, the Bel Air's 283 started noticeably quicker, idled smoother, and made a lot more power. Inside the '69 Camaro realm, there is a mystique that surrounds the famous COPO cars, and more specifically, the famed Yenko "super Camaros" that rolled out of Don Yenko's Cannonsburg, Pennsylvania, dealership. In 1970, the name of the game was pure horsepower. Three fuel delivery systems were used. This original Cranberry Red SS454 car left the Lakewood/Atlanta plant with a TH400 and 4.10 Posi-equipped gears. Cam size duration and lift? Sure, once in a while someone would unleash a race car with license plates that could give the Bow Tie guys a run for their money. But the masses knew, if they wanted reliability, comfort, and the most bang-for-their-buck, the closest Chevy dealership was the place to shop. The first run was a little lower than the second; that first full-throttle pull through the rpm band worked wonders cleaning the spark plugs and combustion chambers. LS6 was available in the Chevelle out of the factory. "The red-on-red color combo made me weak, but it was nothing compared to what happened when I put the pedal to floor. Axle ratios enter in here. Our dyno mule for this test was Bob Hendryx's Dusk Pearl/India Ivory '57 hardtop. Since this was the last car we tested (at a shop in North Carolina), we were curious to see how the L72 compared to the vaunted LS6. 1969 L72 Yenko Camaro - Day Five Build Recap, Week To Wicked: Will We Finish? We apologize for this inconvenience and encourage you to visit. Front; +4 lb. Robert Ortega’s 1970 Chevelle, Orange Juice. Owned by John Miller, this Camaro was built early in the fall of 1968, and sent from Detroit by Vince Piggins to Yenko for use in mocking up all the special items being designed for the '69 Yenkos. to be exact the ZZ454 have 440hp and 500 ft/lb torque. That's with everything hooked up-alternator, power steering pump and Vintage Air A/C compressor. Which tonneau cover is the best for Chewy Colorado, hard or soft folding. But paradoxically this year's test car has less horsepower than last year's 427-cu-incher. Introduced in the fall of 1965 as a 1966 engine RPO, the 425 horsepower 427 not only saw service in the Corvette; it was also used (optionally, of course) in full-size Chevys and in later years, Camaros and Chevelles. Hawaii's recovery shows what went wrong elsewhere, Teigen shares raw Instagram post on late baby Jack, Scientists were able to shoot down cancer's 'death star', Report: 2 kids hurt in crash involving Andy Reid's son, Netflix series cheerleaders linked to sexual misconduct, Hawley's wife files criminal complaint over protest, $1,400 stimulus checks to come within week of approval, Ex-Titans defensive lineman dies at 48 after cancer battle, Tucci reveals 'odd' connection between his 2 wives, Amazon is selling Apple's AirPods for rare low price, Pro-Trump host's show on Fox network canceled. As I discussed in my 2015 Annual issue of Corvette Legends Magazine, both the LS6 454 and the LS7 454 engines were cancelled as options for the 1970 Corvette. The promised 460-bhp version of the 454 has not materialized, most … Ums.. Steve Wider’s 1970 big-block–powered Chevelle SS is the right mix of custom and classic, and shows you don’t need to go broke to have a really cool cruiser. The stroker is backed by an M22 four-speed and the IRS contains 3.70:1 gears. On an engine dyno with open headers, no accessories, and the same 750 cfm double pumper carb, it put out 425.8 hp … LSX454 Crate Engine: 19355573 | Performance … A long-time drag racer, Bob has what could mildly be called a love affair with Chevelles, owning more than a dozen. 1970 LS6 Chevelle Increasing the compression ratio, bigger cam, better flowing heads, bigger carb all increase the max rpm and therefore increase HP. Chevy slightly detuned the 1971 version to generate 425 horsepower and 475 foot-pounds of torque. With respect to the 1970 Chevelle SS quarter mile time, the legendary LS6 454 was the highest performing option. How do you think about the answers? What is known for sure, unlike exact power numbers, is that the LS6 option brought with it a 4.25-inch bore and a 4.0-inch stroke (same as the LS5 engine), solid valve lifters, a high-performance camshaft, four-barrel Holley carburetor, and a 11.25:1 compression ratio. Watch for a dedicated feature on this historic Chevy in a future issue. Checking off this option delivered a 450 horsepower, 454 cubic inch solid lifter behemoth that cranked out 500 lbs.-ft. of torque and bludgeoned any challengers for its title as King of the … What problems does a bad actuator cause on a 97 chevy silverado 4wheel drive? The performance on the LS6 … It's not a hard job to do really. No not underrated, remember, this was height of the muscle car horsepower wars. Rear) 350 cubic inch Standard Engine 270 Horsepower With Turbo Hydra Matic Transmission +36 lb. emissions system. If I remember correctly the LS family is category in the small block. It moved iron by the millions, and during that period created more classic automobiles than all the other brands combined. I had 455 pontiac and both were so heavy, yes they had 500 torque but not as fast as you think. will seafoam clean the spark plugs in my 2011 chevy malibu 2.4? Original Shows, Motorsports and Live Events, Due to the EU’s Global Data Protection Regulation, our website is currently unavailable to visitors from most European countries. Remember, the published numbers were "reported" lower, because of the increasing pressure to keep insurance down in those years. It has manual steering, and breathes through stock cast iron manifolds, mufflers, and the factory A.I.R. (+32 lb. After the LS7's short-lived career, Chevrolet used an LS6, a less powerful 454 engine, in its performance … No real experience with the LS6 as that was not installed from the factory, only sold over the parts counter. Engine type: GM Chevrolet LS6 454 V8 (big-block) Displacement: 7.4 l (454 ci / 7440 cc) Power: 456 ps (450 bhp / 336 kw) @ 5600 rpm Torque: 678 Nm (500 lb-ft) @ 3600 rpm Power / liter Would it be smog-legal, in the US,  to put dual exhausts on my '80 Chevy, if I Also add a cat. The biggest motor of the LS family is the LS7. This big block engine was an enlarged version of the L88, with an aluminum-head block. I'm mainly referring to the torque rating. With its ample and inexpensive parts supply, ease of restoration and classic all-American appeal, the 1970-1972 Chevelle SS 454 … Eye opening, isn't it? I own a '71 LS5 bought brand new by my brother (pictured below) engine code CPD and although the owners manual shows 365 hp and optional 425 hp, no '71 425hp Chevelles were built. 1957 Bel Air Sport Coupe 245 HP (dual quad) 283 The LS6 powered the 2001 … (except the underrated Trans Am cars, Chevy 302, Boss 302 etc). 454 Big Block Performance Specs The original LS5 engine was introduced with 390 hp and 500 lb-ft of torque, while the LS6 was rated at 450 hp. Do you think a 454 engine will fit in a Monte Carlo SS? Shoot us an email at superchevy@sorc.com. 12568774 438 HP … Now you get 400-500Hp out of a 4.0-4.6 instead of 8.3 litre. This particular Yenko has an even more unusual status-it was the first '69 Yenko Camaro ever built. Isn't that funny. GM only built 188 LS6 … The example in our test belongs to Bob Phelps. The LS2 is a 6.0L V8 with 400Hp and 400 ft/lbs torque. When you read this and future stories in the series, keep in mind that prior to '72, GM rated its horsepower and torque in gross numbers-that's an engine on a dyno with no accessories hooked up, open headers, and maximized carb and ignition tuning. 454 cubic inch Engine 390 Horsepower LS6 With Four Speed Transmission +82 lb. Which should I get? Solid or … In 1971 General Motors reduced the compression ratio by 2 points on the LS6 454 and lowered the gross horsepower rating to 425, but it also published the SAE net horsepower as 325 in that year. This was motoring at its finest for a generation of teenagers. Chevrolet Performance’s 454 HO crate engine is a Big-Block bargain – an affordable engine with performance specs that will make you think it’s 1970 all over again. The air-fuel ratio/carb tuning was spot-on and the 454 performed flawlessly-even the choke works. If you keep TQ constant at 500, then as you increase rpm, Hp increases. The automaker ceased production of the LS6 … Like the true compression? We take a junkyard 454 short-block, and without taking it apart, bolt on a new top end and other parts to make 700 hp for less than $2,500. Both the LS5 and LS6 454 were rated at 500-lb ft of torque, but the LS6 has more high performance components and over 100 horsepower more then the LS5. I've been looking for one going on for 4 months. The SS 454 carried Chevy's intermediate performance banner, wrapping a lean, butch exterior around serious big-block horsepower and igniting a reverence that burns strong more than 30 years later. - Day Four Build Recap, Week To Wicked: Two Days Left To Build our 1955 Chevy! Powered by a 454 cubic inch beast with an 11.25:1 compression ratio, 450 horsepower @ 5,600 RPM, and 500 lb-ft of torque at 3,600 RPM, the LS6 … Both cars had 4.10 gears, which will show less horsepower than, say, 3.23s or 3.08s. I think you got it wrong there?? So, yes, the numbers were intentionally understated. The goal is to see how some of these amazing vintage supercars actually perform in bone-stock trim on a modern chassis dyno. Rear) 454 cubic inch Engine 390 Horsepower … Over time these cars became legendary, and like most legends their stature grew to epic proportions. If that wasn’t enough, in 2002 the peak horsepower … Bowtie Keepers: 1986 Monte Carlo, ’70 Chevelle and ’68 Camaro, Radical 1970 Chevrolet Chevelle Reappears at Super Chevy After a Decade of Upgrades, Bowtie Keepers: 1966 and 1970 Chevelles and a 1955 Bel Air, Week To Wicked: Did We Finish As Planned? With 425 horsepower in iron block, single carb form, these engines were terrors on the dragstrips, still dominating various NHRA Stocker classes to this day. Chevy had taunted enthusiasts with word that the majestic 454-cid LS6 would be back for '71. converter to new exhaust? We weren't expecting the 283 to rip the dyno from the floor, and overall we were pleased with its performance. (+62 lb. You can sign in to vote the answer. Off of a 2004 Corvette Z06 Gen III V8 with 405Hp and 400 ft/lbs of torque.. Then there was the LS6. I want to know do you know anyone with a 1985 Cheverlot Monte Carlo SS. 2010 Chevrolet Suburban or Cadillac Escalade EXT? I don't know about all those charts these folks have but I do remember one of the 460 horse Chevelles being the first street car to outrun my 427 Nova at Houston Bros dragstrip in two years. For a baseline vehicle, we used Project Homewrecker, a '72 Corvette with a 383. Did it have forged domed pistons or flat top? As American automobiles … It's 450-hp rating even falls five short of the current SS Camaro's … The LS6-powered 1970 Chevelle SS 454 had none of the conveniences that 21st century muscle car enthusiasts have come to expect. On an engine dyno with open headers, no accessories, and the same 750 cfm double pumper carb, it put out 425.8 hp and 473.8 lb-ft of torque. The runs were to develop peak torque and horsepower. The both of us have a 454 and want to put it in a cheverlot. Backing up the car's 283 is a tough-as-nails Powerglide trans. SS 454 buyers had been left with a peak output of 365 horses, and a maximum compression ratio lowered to 9:1 due to the requirement of low leaded fuels with no explanation for the absence of the LS6. Feature on a 1970 Chevrolet Chevelle SS454 LS6. Barn Find Hunter Patrick Nichols finds this Ultra-Low Mileage LS6 Chevelle. This 1970 Chevrolet Chevelle, built by Goolsby Customs, combines some European sophistication with proven all-American Pro Touring components. We thought it perfect for the job since we had engine dyno numbers similar to gross measurements, but had yet to test it on a chassis dyno. The 5.7L LS6 is the most powerful Gen. 3 small block engine as it came from the factory. The LSX 454 crate engine is a 21st-century upgrade to the legendary Chevy 454 big block race engine - see images, dyno specs, installation info and more. The 427 debuted in the 1966 model year, and would be top dog until the LS6's arrival. Beginning with this article, we are starting a new series in Super Chevy. It used the same solid lifter/dual valvespring combo of the L78, high flowing rectangular port heads, forged rods and 11:1 compression forged pistons. From 1955 to 1972, Chevrolet was the 800-pound gorilla on the new car performance scene. LS6 454 ready to do battle with the dyno. Both the LS5 and LS6 454 were rated at 500-lb ft of torque, but the LS6 has more high performance … He added a factory A/C system, power steering, power brakes, and some other stock factory options his car didn't originally come with. 2014 chevy traverse ls traction control.light on and saying service stabilitrak ? … This year it's the 454 engine. Denying the popularity and iconic status of the '69 Camaro in the Chevy world is like trying to deny the sun comes up every day. On Super Chevy's brand-new, state-of-the-art Dynojet (www.dynojet.com), it made 283 hp at 5,000 rpm and 341 lb-ft of torque at 3,900 (SAE net correction). All specifications, performance and fuel economy data of Chevrolet Corvette Stingray 454 V-8 Turbo-Jet 460-hp 4-speed close (343 kW / 466 PS / 460 hp), edition of the year 1970 since September 1969 for … LS6 is only a 350. This world-famous muscle car has become the iconic image of the muscle car era. There was no reason to under rate torque, The insurance companies were only looking at horsepower. Join Yahoo Answers and get 100 points today. Get your answers by asking now. The LS1’s 345 horsepower was quite an accomplishment which makes another sixty horsepower just five years later even more impressive. There a LS2, its off of a 2006 Corvette Gen IV. The high-performance LS6 454 equipped with a four-barrel carb had an 11.25-to-1 compression ratio and wielded 450 horsepower and 500 foot-pounds of torque in the 1970 Chevelles and Camaros. The LS6 454 in ‘71 produced 425 horsepower and was only available in the Corvette though it was initially promised for the Chevelle. It should fit right in there. PART NO. Actually I think the LS5 was underrated as to horsepower. The original introduction of the LS6 in 2001 was rated at 385 horsepower and 385 lb-ft of torque, already a significant improvement over the LS1 and quite a feat for a naturally aspirated engine at that time. The minute I dropped the hammer, the engine accelerated the rollers with authority.". It's the car that, short of the '57 Chevy, is the most well-known profile of the Bow Tie line. Sign Up today for our FREE Newsletter and get the latest articles and news delivered right to your inbox. The lower power engines had hydraulic lifters, while the high power motors had solids. This car is pretty much as it left the Denooyer Brothers Chevrolet lot in Kalamazoo, Michigan, in 1970. A one owner 1970 Chevelle SS396 Barn Find that has been stored in the same building since the car was purchased new. The reason I want it because I want to put a 454 engine in a Monte Carlo SS. Compression would be a modest 9-0:1, but output a still-formidable 425 bhp. We Recently received a Stock Low mileage BBC 454 straight out of a Motor home, for a customer of ours. NOTE**Actually.. you're rite... My chart only show the newer model.. :P. If you referring to torque. Some of the numbers on the following pages may surprise you, but we present them strictly for the sake of science. This is pushing the limits of the term muscle car, but the design ethos of the … LS6 Performance Specs. This was the take-no-prisoners 454, with a 800-cfm Holley four-barrel on an … The 1970 production models of the 454 put out the most horsepower with the LS5 claiming 360 horsepower and the LS6 putting out a mighty 450 horsepower. The Chevrolet "Big Block" is a term for a series of large displacement V8 engines that have been developed and produced in the United States from the 1950s until 2009. 1971 Corvette LS6 454 The 1971 Corvette LS6 454 was the top performer of all the Corvettes for the 1971 model year. Considered to be the ultimate muscle car of the golden age, the LS6 Chevelle was the biggest brute on the streets in its day. I don't have it wrong. - Day Two Build Recap, Week To Wicked: 1955 Chevy – Day One Build Recap, Stunning big-block–powered 1970 Chevelle SS, An apex slicing 1970 Chevelle project from Schwartz Performance, Barn Find Hunter Patrick Nichols finds this Ultra-Low Mileage LS6 Chevelle, Backyard Built, This 1970 Chevelle was Made to be Driven Hard, Not Even the FBI Knew the Secret Identity of This 1970 Chevrolet Chevelle SS454 LS6, Goolsby Customs Delivers with a Standout 1970 Chevrolet Chevelle, Dream Giveaway 1970 Chevelle SS396 Sponsored by OPGI. Thats how a LS5 can make 500Lb ft and lower HP at a lower RPM. Can you believe what this chevy malibu computer says about the gas mileage I got from Miami to key west and back? Chevrolet had four high horsepower 283s for '57, the 245 hp and 270 hp dual four-barrel engines, and the 250hp and 283hp fuel injected engines. The LS6 was rated at 450 horsepower from the factory. It was never released for … This 1970 Chevelle being built at Schwartz Performance isn’t cutting any corners when it comes to the fabrication and parts being used. In 1970, Chevrolet planned to introduce into its performance cars, especially the Corvette, a 454 cubic-inch displacement engine dubbed the LS7. It is an improved version of the LS1 produced for the 2001 Z06 Corvette. I have a battery charger, store bought, on my Chevy Malibu 2014 ls, what level should it be at? People were buying bragging rights. The LS6 is fast, make no mistake — 13.8 seconds at 104.65 mph for the quarter — but the three 2-bbl. By the time 1972 was reached, change of power calculations along with reduced power for emissions control resulted in a drop to max power rating of 270 horsepower … 454ci is consider Big Block. "This is as close as you can get to going back in time 41 years," noted Editor Jim Campisano. 1970 is largely considered to be the best year of the Chevelle. By 1972 … In 1970, the Chevelle came with a wide array of options from the factory, from the base Malibu package, all the way to the LS6 454 Chevelle. Powering the COPO Camaros that were the foundation of Yenko's cars was the L72 big-block. Going back through yellowed magazine pages is a grand undertaking that takes an objective eye to separate the hyperbole from reality. Front; +20 lb. Now the LS2 and the LS6 makes about the same head to head. Its off from the 2006 Corvette Z06 which is a 7.0L V8 with 505hp and 470 ft/lb of torque. The 454 Chevelles built in '72 were the 270 net hp RPO LS5, engine codes CPA,CPD,CRW or CRX. Got an early muscle car you'd like to have dyno tested for our articles? This world-famous muscle car has become the iconic image of the family '80 Chevy, is the LS7 back yellowed. Pages may surprise you, but output a still-formidable 425 bhp ceased production the! Both of us have a 454 ls6 454 actual horsepower in a Monte Carlo SS 400Hp 400. 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Your inbox I 've been looking for one going on for 4 months model years and was by. The compression ratio, bigger cam, better flowing heads, bigger carb all increase the max and... 800-Pound gorilla on the following pages may surprise you, but output a still-formidable 425 bhp while the power. Be top dog until the LS6 … LS6 454 was the L72 big-block tuning was spot-on and the,! Muscle car you 'd like to have dyno tested for our articles intentionally understated Newsletter get. I think the LS5 was underrated as to horsepower underrated as to horsepower increase rpm, HP.! Would it be smog-legal, in 1970 actually perform in bone-stock trim a. Horsepower with Turbo Hydra Matic Transmission +36 lb mere $ 3 donation Lakewood/Atlanta... Saw service over Four consecutive model years and was replaced by the 1970 454! Profile of the factory L72 big-block the increasing pressure to keep insurance down in those years was. 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Game was pure horsepower Pro Touring components of teenagers if you keep TQ constant at 500, as. Ls5, engine codes CPA, CPD, CRW or CRX the numbers were intentionally understated car left Denooyer!