Best Answer

Depends... Especially on the year. 1969-1970 will have between 9:1 and 11:1. 1971 and later will be somewhere between 7.5:1 and 8.5:1.

User Avatar

Wiki User

10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the compression in a 1969 to 1979 Chevy 350 4 bolt main?
Write your answer...
Still have questions?
magnify glass
Related questions

What 350 Chevy engine will bolt in a 1979 Corvette?

Most Chevy 350 4 bolt engines will bolt into a 1979 Corvette.

Will a Chevy 350 heads fit a 283?

YES. That is a direct bolt on with no problems. The heads will bolt on, but the compression ratio will be different. Depending on which heads and which pistons, the compression ratio could be a lot different.

What is the bolt pattern on 1969 Chevy Nova?

5 on 4, and 3/4.

Will a 1979 454 big block bolt right in to a 1969 Chevy dump truck that has the 396 big block or is it not compatible?

Yes it will. But you will need to know if the 454 requires a flywheel that is either internal or external balanced.

What is the bolt pattern for a 1979 caprice classic?

5 X 4.75 Small Chevy pattern

Will a 350 Chevy motor bolt up too a 1979 Pontiac firebird transmission?

Some Pontiacs came from the factory with Chevy engines. If this is the case on your 79 firebird, then the transmission will bolt up to a 350 Chevy. If the car came with a Pontiac engine, then the bolt pattern is different and would not bolt up.

What is the bolt pattern on a 1984 Chevy Blazer 4x4?

The bolt pattern on a 1969-1991 K-5 Blazer is 6 on 5.5" (139.7mm).

Will a 454 fit into a 1969 Chevy Chevelle engine bay?

It will bolt in the same as any big block Chev

What is the bolt pattern for a 1979 Pontiac Bonneville?

bolt pattern for 1979 Pontiac Bonneville

What year is a 350 Chevy engine with casting no 3970010 and 13w221249?

That engine could be anywhere from a 1969 to 1972 350. Some of them were 4-bolt mains and some were just a 2-bolt main engine.

What is the bolt patter for a 1994 Chevy Silverado?

what is the bolt pattern for a 1987 Chevy silverado

What other vechies does the 4.75 backspace 15 inch rims with a Chevy 5 on 4.75 bolt pattern fit?

1979-1985 Cadillac eldorado