How much horsepower does a 454 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.
How many miles will a 454 last?
Engines older than 1997 need oil with zddp. Newer engines don’t need it so most oil dosn’t have it. 454 will run 200k with the right oil.
Are 454 engines reliable?
Re: Reliability of 454 I have found them to be very reliable although I haven’t had one with more than 45000 miles on it. They do tend to run a bit warm but once you find the “normal” for your unit and keep the coolant clean and properly serviced you should have no trouble.
Whats better 455 or 454?
A 455 Pontiac will bolt right into your ’74. It’s a better engine than the 454: more torque, faster on the street, more reliable, and it will appear to be the stock, original engine.
What is the largest small block engine?
The largest-displacement small-blocks ever produced by GM are the LSX454/LSX454R crate engines offered through Chevrolet Performance, at 454 cubic inches (7.4L); the largest-displacement small-block for a production vehicle is the 427-cubic-inch (7.0L) LS7 used currently in the Corvette Z06.
Can you get 500HP out of a 350?
You “can” get 500HP out of a 350 BUT because it is a small cubic inch engine it IS going to be peaky and won’t have much torque. … You do NOT want a “chain saw” of an engine in your car! Chain saws make NO torque and they only way they can cut wood is at wide open throttle at their peak RPM.
How can I make my 350 engine faster?
How to Get More Horsepower Out of My Chevy 350 Small Block
- Modify your air intake. …
- Modify your exhaust. …
- Change your camshafts and valve train. …
- Purchase new cylinder heads, or have yours ported and polished. …
- Have your motor rebuilt and blueprinted.
How much power can a stock 350 bottom end handle?
Re: How much can a stock bottom end handle
Assuming it was correctly rebuilt, a completely stock bottom end – main bolts, cast crank, stock rods, cast pistons is good to around 350 HP.