When did corvette stop using the 454ci engine?
The 454ci LS5 big-block continued to be offered for use within the Corvette’s engine bay until 1974, when it too, ultimately fell victim to the era’s emissions standards. Prior to being discontinued, the LS5 underwent substantial detuning. In 1971, just one year after its initial release, the LS5’s output was reduced to 365 HP.
What was the horsepower of a 1970 Corvette?
All things considered, the 1970 LS5 equipped Corvette produced 390 HP, and 500 lb-ft of torque, while covering ¼ mile in just under 15-seconds. The 1970 Corvette also posted 0-60 MPH times of approximately 7 seconds. LS5 Specs Index Horsepower: 390 hp @ 4,800 rpm
Is the 454 Ho a big block engine?
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.
How many horsepower does a 1970 Ford 454ci have?
1 Horsepower: 390 hp @ 4,800 rpm 2 Torque: 500 lb.-ft @ 3,400 rpm 3 Compression Ratio: 10.25:1 4 Displacement: 454CI (7.44L) 5 Cylinder Bore: 4.251” (107.98 mm) 6 Stroke: 4.00” (101.6 mm)
And it’s what is underneath that counts when it comes to performance. Strength in numbers for 1970- 300, 350, 370, 390, 460 hp. Every Corvette is built tough right from the start. The basic V8, the 300-hp Turbo-Fire 350, features a 10.25:1 compression ratio, a 4-barrel carb, cast aluminum alloy pistons and a precision-formed crank.
What was the horsepower of a 1970 Chevy 454?
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.
Is there a 460 bhp Chevy 454 corvette?
The promised 460-bhp version of the 454 has not materialized, most likely because of the insurance companies’ crackdown on musclecars. Hence, at least for the moment, the 390-bhp 454 is the highest-powered “street” Corvette; for an additional new twist we decided to try an automatic version.
When did Chevy stop making the 454 engine?
Unfortunately the Chevy 454 was the right engine at the wrong time. Uncle Sam started to tighten down on emission controls in 1971 which affected a lot of the power of the 454. Another big blow for the 454 was the gas crisis of 1973 which pretty much sealed the fate for the motor during this period.