8.5 to 1 compression is factory stock.
Compression ratio on a 1974 Chevy 350 in a Nova was 8.5:1.
10.5-1
The compression ratio of a 350 Chevy engine usually ranges from 8.0 and 9.0 to 1. This provides a good balance of fuel economy and power.
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.
8.5:1 stock
10.25:1
About 8.5 to 1
8.5:1
what is the timing on a chevy 350 It depends on the compression ratio and the quality of the fuel, but 8 degrees before TDC is a good place to start. Then try increasing 1 or 2 degrees at a time until you notice pinging or it's hard to start when hot.
then youre running about 8.5:1 compression
350 Chevy's have been around for 40 years, and the horsepower has varied from a low of 145 horsepower to over 400 in factory configurations. It depends on the compression ratio, type of heads, cam, intake, exhaust, and many other variables.
No. It lowers the compression ratio and reduces power output.