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I don't know if there is an easy answer to your question. there are different h.p. engines in a lot of different vehicles of the same model. for instance if the vehicle was ordered for towing it may have a higher hp rating, there fore the compression ratio may differ. i think your best bet is to take the motor no. to your Chevy dealer and he can tell you exactly what you have for an engine. all 350's are not created equal. there are 350's with 200 hp and then there are 350's with better than 350 hp. the strange thing is that they look the same unless you know what your looking for. the compression ratio will most likely change with a higher hp engine with different pistons, and heads.
What else can I help you with?
What is the compression ratio of a 1974 Chevy 350?
8.5 to 1 compression is factory stock.
How can you tell if a motor was stroked 20-30 over is the compression the same 1974-350 corvette what is the stock ratio?
8.5:1 stock
What is Compression specs for 1974 nova 350?
Compression ratio on a 1974 Chevy 350 in a Nova was 8.5:1.
What is the compression ratio of a 1968 350 engine?
10.25:1
What is the compression ratio of a 1968 Chevy 350?
10.5-1
What is the compression for a stock 1972 Chevy 350?
About 8.5 to 1
What is the compression ratio for a Honda foreman trx 350?
8.5:1
How much horsepower does a stock 350 small block have?
It varies from 145 to 370, depending on a lot of variables including compression ratio, cam profile, and head design.
350 Chevy compression?
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.
Do 350 heads on a 305 help?
No. It lowers the compression ratio and reduces power output.
What is compression ratio of a 350 stock bore with 56cc heads?
To calculate the compression ratio of a 350 cubic inch engine with 56cc cylinder heads, you also need to know the engine's deck height, piston configuration, and the volume of the piston at top dead center (TDC). Assuming a standard configuration with flat-top pistons and a typical deck height, the compression ratio can generally range from around 9.0:1 to 10.5:1. For a more accurate calculation, you would need to measure those additional parameters.
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.
