How much HP can you get out of a 454?

How much HP can you get out of a 454?

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 can I get more horsepower out of my 454?

How Do I Get More Power out of a Chevy 454?

1. Improve the fuel and air intake system.
2. Replace the stock exhaust system with a high-flow system.
3. Replace the stock timing parts with ones tuned for racing.
4. Bolt on a supercharger.

How much horsepower does a cam add to a 454?

The 454 responded very well to the cam upgrade, as the peak numbers jumped from 376 hp and 482 lb-ft with the stock cam to 428 hp and 507 lb-ft of torque. An increase of 52 hp is always welcome, especially when it comes with a sizable jump in peak torque.

How much does it cost to rebuild a 454 engine?

A 454 that’s needs a complete rebuild from a junk yard for a few hundred dollars or less. A turn key you can expect to pay for performance a street engine for a car or truck about $5,000 to factory high performance around $15,000.

How hard is it to rebuild a 454?

Rebuilding a 454 is easy, provided that you know your way around an engine. To save yourself some money, choose an engine with a solid core. If you’re going to rebuild the engine, you’d be well served to purchase a 454 maintenance manual to ensure that all of your components are torqued to factory specifications.

How much horsepower does a 1978 454 have?

Power Output The 454 engine produced about 230 horsepower and 360 foot-lbs. of torque.

What is the lift on a stock 454 cam?

A 1973 truck 454 was typically factory-rated 240 hp at 4,000 rpm and 355 lb-ft of torque at 2,800 rpm….ANSWER.