How much horsepower does a 1973 Chevy 454 have?
How much horsepower does a 1973 Chevy 454 have?
A 1973 truck 454 was typically factory-rated 240 hp at 4,000 rpm and 355 lb-ft of torque at 2,800 rpm.
How much horsepower does a 454 Chevy engine have?
The 454 EFI version was rated from 230 hp (172 kW) to 255 hp (190 kW) and from 385 lb⋅ft (522 N⋅m) to 405 lb⋅ft (549 N⋅m) of torque.
What year is the best Chevy 454 engine?
The 1970 versions of the Chevrolet 454 were the most powerful, with the LS5 putting out around 360 horsepower and the LS6 delivering about 450 horses.
What engine does a Chevy 454 have?
Chevy 454 Engine Specs The 454 uses a cast-iron engine block and aluminum cylinder heads and used this construction throughout its entire production run. Additionally, the bore and stroke remained the same throughout the entire production run as well.
What year is a Gen IV 454?
1987
In 1987, a new 454 Mark IV hit the market with EFI, exclusively in trucks.
How do I get more power out of my Chevy 454?
How Do I Get More Power out of a Chevy 454?
- Improve the fuel and air intake system.
- Replace the stock exhaust system with a high-flow system.
- Replace the stock timing parts with ones tuned for racing.
- Bolt on a supercharger.
How long will a 454 engine last?
454 will run 200k with the right oil.
What year is a Gen 5 454?
Gen V(5) Big Block Chevrolet Engine Differences Produced from 1991-1995, these Only came in a 454 cubic-inch configuration. They had a one-piece rear main seal, oiling passages closer to the cam and every block received four-bolt mains.
Why did horsepower drop in the 70s?
Cadillac’s (8.2-liter) V8 was rated at 400 hp (406 PS) in 1970, but dropped to 365 hp (370 PS) in 1971 as a result of GM slashing the compression ratio to suit low-lead fuel.
