yet it found its worthy opponent in another GM engine: the Pontiac's own High Output 455 V8. These two big-block V8 engines were also the swan song of the original muscle car era, and they both ...

The biggest shift came in 1997 with the introduction of the LS family of small block engines, which continue to be what GM uses to this ... the LT1 is able to generate 455 to 460 hp and 455 ...

LS-series engines powered a large portion of GM's lineup for almost 20 years ... for our friends on the Continent—and made around 455 horses at 6000 RPM in the C7. Also like its predecessor ...

the era of the big block V8 engines has largely ended thanks to technological advances in the 1980s and 1990s. The result was 340 horsepower and 455 lb-ft of torque. It was also used in medium ...

Using the standard exhaust, the engine yields 455 hp and 460 lb-ft of torque ... Even with all that thrust on hand, Chevy says the LT1 is more efficient than ever. Active Fuel Management, direct ...