PCM: Warren. If that wasn’t enough, in 2002 the peak horsepower was bumped up to 405 at 6000 RPM and … Fuel Injector Connector: EV1. By the time 1972 … 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. Fortunately, the Corvette engineers were able to get the LS6 454 … For the best experience on our site, be sure to turn on Javascript in your browser. 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. Corvette LS1 97-98 ... Corvette LS6 2001 12560950 204/211 .525/.525 116 385hp. I was wondering what the factory cam spec for a 1970 ls6 454? 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. One very respected source says that according to records at Tonawanda, no 454 engines came with aluminum heads. Emission Note: This product is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states following CARB standards, including NY and ME. 1971 Corvette LS6 454 The 1971 Corvette LS6 454 was the top performer of all the Corvettes for the 1971 model year. Exhaust Manifolds ~ Used on other Chevrolet models and other years * RH ~ Casting number 3916178 * LH ~ Casting number 3909879 Distributor * Stamped number 1111437 Camshaft The hydraulic … 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. 1970 Chevrolet Chevelle SS 454 LS6 Convertible. Find Chevrolet Performance 12638427 Chevrolet Performance LS Series Camshafts and get Free Shipping on Orders Over $99 at Summit Racing! Discussion Starter • #1 • Nov 21, 2009. It made 402/409 HP/TQ; with the LS6 cam, LS7 lifter, some forged pistons, and cleaned up heads and a slight bump in compression because of the head work. 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. This cam offered 411 hp and 406 lb-ft of torque, bettering the LM7 from 2,800 rpm through 6,500 rpm while besting the LS2, LS3 and LS6 grinds. Carburetor is 1.25" above cylinder head ports. Close this window to stay here or choose another country to see vehicles and services specific to … A Chevelle equipped with the LS6 450-horsepower 454 reached zero to 60 mph in 6.1 seconds and the quarter mile in 13.7 seconds at 103 mph. The new SS 454 package cost $503 and included a 360-bhp hydraulic-lifter 454 called the LS5. 701 - PBM Performance - Tmg Set Performance - Double roller .200" chain, cast-iron cam , crank with 3 keyways - Chevy V-8 Big Block 396-400-402 PBM701 $37.50 … The fire breathing 454 engine pushed out 450 HP at 5600 RPMs and 500 Lb-Ft of torque.at 3… Fellow gearheads, this is another installment in the “unique muscle cars” category that we have been posting a lot about lately. Model designations like Super Sport, RS, and Z28 represented the ultimate in trim and performance. 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 LS6 used solid lifters and an aggressive cam with .520 lift and 316 degrees duration. Lift: @Cam … Then in 1970, the LS6 454 ci engine used this cam to produce 450/465 HP and 1971 LS6 454ci 425 HP. For the best experience on our site, be sure to turn on Javascript in your browser. The 454 HO big block is Chevy Performance's most economical alternative crate engine to rebuilding - see images, dyno specs, installation info and more. The cam used in 2002-05 had over .550 lift; The bottom end was stronger as well. We brought a GM Performance Parts HO 454 crate engine to Westech Performance Group's test facility in Southern California to do some … Spark Plug Torque 25 lb.-ft. Fuel Injector Connector: EV1. In 1970, Chevrolet planned to introduce into its performance cars, especially the Corvette, a 454 cubic-inch displacement engine dubbed the LS7. The 1971 Chevrolet Corvette C3 454 LS6 425hp has 431 PS / 425 bhp / 317 kW. Oil Pan (Corvette) Bat Wing. 8 Cylinder (1967-1996), WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov, 11-106-3-camshaft cb replacement for 3863143. When you need a replacement LS6 cam, the Chevy Performance 12565308 is always a great choice. Fortunately, the Corvette engineers were able to get the LS6 454 … JavaScript seems to be disabled in your browser. … In order to protect your camshaft warranty and for maximum performance benefit, we recommend replacing stock valve springs and lifters with a high performance set from Classic Industries®. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Chevrolet Chevelle SS 454 Sport Coupe 450-hp in 1970 the model with 2-door hardtop coupe body and V-8 7443 cm3 / 454.2 cui engine size, 335.5 kW / 456 PS / 450 hp (SAE gross) offered since September … Then in 1970, the LS6 454 ci engine used this cam to produce 450/465 HP … / 0.438 exh. This camshaft is comparable to the LT4 hot camshaft but for your LS1 engine. 454-4: 450-LS6 (w/L89) Manual M22: Aluminum Heads/Heavy Duty Clutch (1) There is some discussion about the 454 being sold with aluminum heads. Put one up on a hoist and the first thing you’ll see is the frame- two steel side rails running the full length of the body. 1970 LS6 Chevelle Considered to be the ultimate muscle car of the golden age, the LS6 Chevelle was the biggest brute on the streets in its day. You are currently viewing Chevrolet.com (United States). This kit includes 16 LS6 valve springs. (0.008" for alum. What type of intake? ACR43TS (454 Cubic Inch LS5 Engine) ACR44XL (454 Cubic Inch LS6 Engine) Spark Plug Thread 14 mm. Other Specifications. Case-in-point were two distinct DOA examples: the fabled LS7 454, along with something called an “LJ2”, which appeared to be a tri-power version of the 1970 Chevelle LS6 engine. These are braced with five cross-members into a rigid structure. This was the take-no-prisoners 454, with a 800-cfm Holley four-barrel on an aluminum manifold, 11.25:1 compression, solid lifters, four-bolt mains, forged steel crank and connecting rods, forged aluminum … Important: Factory Muscle? lsx454. A set of closed-chamber heads with 2.19-inch intake and 1.88-inch exhaust valves capped off the short-block and conspired to deliver the engine's lofty 11.25:1 compression ratio. Crankshaft Reluctor Ring: 24x. The 427 L88 :thumbsup: vs the 454 LS6. As for buying a crate motor if can be down. The 1970 Chevrolet Monte Carlo I SS 454 LS5 has 289 PS / 285 bhp / … Solid or Hydraulic lifters? Most of the ls6 had an alum intake and probably reg port heads. I know GM has a 454 with 425hp which comes with alum intake and then they had a 454 450hp … The 465 horsepower is a gross rating. This solid lifter Factory Muscle™ Cam is COMP CAMS® version o f the original GM cam # 3863143. Basic … But, Chevrolet also knew that not everyone could afford one of these factory prepared monsters. … Even today, they … The performance on the LS6 was … Camshaft Sensor: Rear Mount, 1x on cam… 1971 Corvette LS6 454 The 1971 Corvette LS6 454 was the top performer of all the Corvettes for the 1971 model year. Fuel Injector Flow: 30 lbs. Throttle Control: Drive By Wire. Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454… Their records indicate the L89 option was cancelled … This is one of the most desirable Chevrolet … Joined: Nov 3, 2002 Location: jacksonville, Florida. 0.475 int. The LS6 engine blocks were sand cast and have windows in the bulkheads for better high-rpm breathing. & Exh. Crankshaft Reluctor Ring: 24x. You are currently viewing Chevrolet.com (United States). The biggest big-block Corvette which saw the light of day was the 390hp LS5. 3406 Democrat RoadMemphis, Tennessee 38118. * List 4492, 454 (FED-w/o E.E.C. models have an oiling groove in the rear journal. This product fits the following vehicle applications. The LS6-powered 1970 Chevelle SS 454 had none of the conveniences that 21st century muscle car enthusiasts have come to expect. 1970 LS6 Chevelle Considered to be the ultimate muscle car of the golden age, the LS6 Chevelle was the biggest brute on the streets in its day. Spark Plug Torque 25 lb.-ft. Oil Pan (CTS-V) … L88 cam specs Discussion in 'Engine Topic' started by cody, Mar 29, 2005. If you continue to have problems with this form, 222053B - 1967-71 396/402/427/454 Chevy Big Block Factory Muscle™ Solid Lifter Camshaft and Lifter Set, 1967-71 396/402/427/454 Chevy Big Block Factory Muscle™ Solid Lifter Camshaft and Lifter Set, See What Customers Are Saying About Classic Industries, America's First Choice in Restoration and Performance Parts and Accessories, Cam Type: Factory Muscle™ Mechanical Flat Tappet, Advertised Duration: 316 Intake / 303 Exhaust, Duration @.050" Lift: 242 Intake / 242 Exhaust. Two legendary codes L88 & LS6. 1970 In 1970, GM pushed the performance bar higher with the introduction of the Chevy 454 V8. 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 with a peak … Carburetor size? My educated guess is that it would be rated at 365 bhp net. The LS6 also had an 11.25:1 compression ratio due to its forged steel crankshaft and forged aluminum connecting rods. Fuel Injector Length (between O-Rings) 2.5 in. After 38 years of saving this LS6 454 1970 Chevelle motor I finally get it rebuilt! Royce I think the difference in the ls5 and the l6 is one had a hyd cam(ls5) and one having a solid cam(ls6). Need help finding what you are looking for? The LS6 365-horsepower 454 managed a 6.0-second zero-to-60 clocking in the 1971 Chevelle, but struggled to obtain 14.35 seconds in the quarter mile test. 1955 The final cam … models have an oiling groove in the rear journal. The Chevrolet Monte Carlo I SS 454 LS5 has a V 8, Petrol engine with 7446 cm3 / 454.4 cu-in capacity. Cam specs: Duration: 276 Intake/ 283 Exhaust, Valve Lift: 0.544 Intake/ 0.539 Exhaust Valve Lash: 0.012" Int. 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 … PCM: Warren. How many horsepower (hp) does a 1971 Chevrolet Corvette C3 454 LS6 425hp have? 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. This is an ultra-rare and highly desirable 1970 Chevrolet Chevelle SS 454 LS6 Convertible. There were 3 different variations of the 454 that came onto the drawing board at GM during the 70s; the LS5, the LS6… As American automobiles grew in size and weight following the Second World War, the engines powering them had to keep pace.Chevrolet had … But, for legions of Chevrolet fans, this car has it all: limited production, the baddest engine … Nostalgia Plus 229/236 Hydraulic Flat Cam for Chverolet Big Block 396-454 HYDRAULIC-Exhaust note of GM LS6 cam w/ hydraulic lifters and increased horsepower In stock LS6 valve springs are good up to .560" lift Camshaft Sensor: Rear Mount, 1x on cam. The listed part numbered cams will not fit these models, so if you require a camshaft … :thumbsup: If either of the two engines above was available in any Camaro from 1982-2002 which would you rather have? Designed as a replacement cam for the 2002-04 LS6 engine, its ability to help generate the horsepower and torque you need to maintain optimum performance makes it an ideal Corvette C5 Z06 cam. Spark Plug Gap .033 - .038 inch Firing Order 1-8-4-3-6-5-7-2 Idle Base Engine: 600 RPM (Automatic: 550 RPM) LT1, LS6 … Exhaust note of GM LS6 cam w/ hydraulic lifters and increased horesepower * BBC - 1965-66 396 c.i. Consequently, 80% of the muscle cars offered were equipped with more practical and economical powerplants. This cam offered 411 hp and 406 lb-ft of torque, bettering the LM7 from 2,800 rpm through 6,500 rpm while besting the LS2, LS3 and LS6 grinds. During the heyday of the factory muscle car, Chevrolet produced what they thought would be the perfect muscle cars. Throttle Control: Drive By Wire. 1970 Buy COMP Cams 11-106-3 at JEGS: COMP Cams Factory Muscle Mechanical Flat Tappet Camshaft Big Block Chevy 396-454ci 1965-96 Lift: .520 ... 454 1970 LS6 450/465 HP; 454 1971 LS6 425 HP. What engine is in Chevrolet Monte Carlo I SS 454 LS5? Unlike the popular Chevy 427 that was used in a wide variety of automobiles, the 454 was used only in high performance cars like the Chevy Camaro, Corvette and Chevelle. However these components must be in good operating condition. Close this window to stay here or choose another country to see vehicles and services specific to … This is what wikipedia said: There has been no documented case of a 1971 Monte Carlo SS car with the 425 hp (317 kW) LS-6 version of the 454, with solid valve lifters and a longer-duration camshaft, previously found in the 1970 Chevelle SS 454 (where it was rated at 450 hp (336 kW)); however, they did come with an LS5 454. any help would be apprieciated. Chevrolet Performance LS Series camshafts are direct replacements for your original worn piece. LS6 Specifications. How many horsepower (hp) does a 1970 Chevrolet Monte Carlo I SS 454 LS5 have? Did it have forged domed pistons or flat top? It was 15 hp more than the top option LS6 used in the Chevelle SS 454 of the same year. Corvette’s unusually low center of gravity is due partly to the fact that the frame rails run outside of the seating area. PART NUMBERS 12560950,12593206 2001 LS6 AND LS2 CAM DATA 116 LDA AND 118 INTAKE TIMING. Skip to the beginning of the images gallery, Factory Muscle 242/242 Solid Flat Cam for Chevrolet Big Block 396-454, Chevrolet 396-454 c.i. 1970 Corvette LS-6 454/460hp with LS-7 aluminum heads, Comp Cams Nostalgia Plus™, N+LS6S cam & kit (valve springs, solid lifters, retainers, push-rods, cam gear, timing chain, etc.). 1971, 1969 It's 450-hp rating even falls five short of the current SS Camaro's 6.2-liter V-8. What type of head (open or closed chamber) and valve sizes? My reasoning is that the 1971 LS6 (slightly lower compression than the 1970 version) was rated at 425 hp (gross) and 325 bhp (net).