Both the 350 or 454 are great reliable engines and going with either one of them would be great for a classic American sports car.
How many miles is a Chevy 454 good for?
454 will run 200k with the right oil.
How much horsepower does a Chevy 454 big block have?
How Much Hp Does A 454 Big Block Have? At 330 horsepower and 475 pound feet of torque, the 454 was quite impressive. For a truck-based engine with Torque, it wasn’t unreasonable to expect over 500 pounds per square inch, even though it still offered plenty of power.
Is the Chevy 7.4 a good engine?
The 1996-2000 L29 7.4L big blocks are great engines. Much more dependable and durable than the 6.5L diesel of that era. L29’s had multiport sequential fuel injection, all of the latest sealing technology to prevent oil leaks and the “Vortec” style heads flowed very well.
What is a 454 engine worth?
How Much Does A Chevy 454 Cost? It is quite easy to find cheap ones for $2500 to $3500 to go up to high performance, and depending on what you are looking for and how long you want them, the $50,000+ range is easily within your grasp. The average 454 needs a complete rebuild from a scrap yard to run properly again.
When did Chevy stop making the 454?
The 454 SS was built until 1993. After a year’s hiatus in 1995, the 454 big block Chevy would return in its third, and final, iteration the following year.
How much does it cost to rebuild 454?
The price of a 454 rebuild from a junk yard typically ranges in the $200-300 range. When purchasing a turn key with a street engine for your car or truck, expect it to cost at most $5,000 for factory-high performance, which reaches about $15,000.
How can I get better gas mileage in my 454?
How to Increase Gas Mileage on a Chevy 454 Eng
Replace your current air filter with a high-flow dry or oiled air filter. Remove your spark plugs using a spark plug socket wrench. Adjust your idle speed to the lowest setting. Tune up your vehicle. Maintain the proper tire pressure in your vehicle.
What year did the Vortec 454 come out?
The Vortec 454, also referred to as the Vortec 7400, was designed as a big-block engine for light-duty trucks. General Motors manufactured this engine in 1996, but upgraded to a different model engine five years later.
What year is the best 454?
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.
Is a Chevy 454 a big block?
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 much horsepower does a 7.4 454 have?
The 7.4 L (454 cu in) V8 features MPFI (multi-port fuel injection) and 2 valves per cylinder. Among the many improvements was more power for the gasoline engines. The Vortec 7400 big block V8 has a 107.95 mm bore, 101.6 mm stroke, produces 290 horsepower (220 kW) at 4000 rpm and 410 lbf·ft (560 N·m) at 3200 rpm.
What Litre is a 454?
For many years the 454 (7.4-liter) V8 was the top choice from GM, while Ford had the mighty 460 (7.5-liter) V8.
