What Gen is a 1978 Chevy 454?

Generation VI The Vortec 7400 L29 7.4 L (454 cu in) V8 was a truck version of the Chevrolet Big-Block engine.

How much horsepower does a 77 454 have?

How much horsepower does a 77 454 have? In 1977, General Motors offered special trailering packages for its Chevys and GMC trucks, including the 1-tons. These 454s with four-barrel carburetors developed 230 horsepower and 360 foot-pounds of torque.

How much horsepower is a 454 engine?

330 horsepower
Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise. But like any stock engine, there was tons of power left to be squeezed out.

How much horsepower can you get out of a 454 Chevy engine?

Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise. But like any stock engine, there was tons of power left to be squeezed out.

What does 454 stand for?

Angel number 454 also stands for desire. This number tells you that the angels are aware of the desires of your heart. They are willing to help you achieve your fantasy.

What are the torque specs on a 454 Chevy?

Torque Specifications. In the 1987 Chevy 454, the bolts joining the crankshaft to the engine block require 95 ft.-lbs. of torque. The cylinder head bolts require 80 ft.-lbs. of torque to join to the engine block, and the oil pan bolts to the engine block with 25 ft.-lbs. of torque.

What are the specifications for a Chevy 454 engine?

Chevrolet 454 Engine Specs Proud Member of the Big Block Family. As mentioned, the Chevy 454 first became available as part of the 2nd generation of Chevy big block engines in 1970. 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. Head and Block Construction.

What is the HP rating of a 454?

At its peak, the 454 was developing 450 horsepower in the Camaro and Chevelle passenger cars. By 1974, however, government-mandated smog requirements killed the muscle car as the 454’s horsepower rating dipped to 235.