0
To upgrade the horsepower of a 1975 Pontiac 455, consider installing a performance intake manifold and carburetor to improve airflow and fuel delivery. Upgrading the exhaust system with high-performance headers and mufflers can enhance exhaust flow and reduce back pressure. Additionally, tuning the ignition system and possibly installing a higher-performance camshaft can further increase horsepower. Finally, ensure the engine is in good condition and consider balancing and blue-printing for optimal performance.
What else can I help you with?
How much horsepower does a 455 in a1987 Pontiac trans am put out?
The 1987 Trans Am didn't have a 455
What is the horsepower rating on a 1974 Pontiac trans am 455 engine?
250
What is the horsepower for a 1976 Oldsmobile 455 engine?
A 1974 Oldsmobile 455 V8 has horsepower of 275 to 400. The Oldsmobile 455 was last produced in the year of 1975.
How can you get horsepower from Pontiac 455 engine?
There are many ways to increase the 455 horsepower. With a cam/valve train swap and working over the heads (or replacing with aftermarket) you can be in the 500+ range. "Pontiac High Performance" is a great source for information on engine modifications.
What is the horsepower rating on a 1974 Pontiac grand prix 400 engine?
# the 400 had 225 horse ..........the 455 had 250 horse.
What is the estimated horsepower of a Pontiac 455 with a xe274h-10 comp cam bored 60 over with 6x4 heads?
365hp
1975 Pontiac grandville 455 firing order?
18436572 #1 is drivers side, closest to the radiator.
How do you set distubitor timing on Pontiac 455?
How do you set distubitor timing on pontiac 455?
What is the horsepower of a 1993 tonawanda 454?
455 horsepower
Is Pontiac 455 heads exchangeable with Oldsmobile 455?
No, they are completely different.
Will Pontiac 455 headers fit a Buick 455?
Pontiac 455 headers generally do not fit a Buick 455 due to differences in the engine's exhaust port locations and bolt patterns. While both engines are part of the General Motors family and share some similarities, the specific design and dimensions of the exhaust manifolds and headers vary. If you're looking to upgrade to headers for a Buick 455, it's best to choose headers specifically designed for that engine to ensure proper fit and performance.
Is a Oldsmobile 455 the same as a Pontiac?
No, they are not the same engine. The Oldsmobile 455 had a bore and stroke of: 4.126 X 4.25 The Pontiac 455 had a bore and stroke of: 4.152 X 4.21
