Knowing the year would make a difference. A good STOCK 350 should have at least 150 PSI per cylinder. You CAN'T have any more then a 20 LB difference in any giving cylinder are you will have idling problems.
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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.
4.000x3.750 with 8.5:1 compression
around 80 ft.llbs. or higher is usually good.
150 psi should not vary by more than 10 psi between cylinders
Compression ratio on a 1974 Chevy 350 in a Nova was 8.5:1.
1976 Chevy 350 engine should take 5 qts engine oil with filter change.
To determine the compression stroke on a 350 Chevy engine, first, remove the spark plug from the cylinder you want to check. Then use a compression gauge and crank the engine over by hand or using a starter until you see the gauge reading stop climbing. This indicates the compression stroke where the air-fuel mixture is being compressed in the cylinder.
what year is my 350 chevy engine K1201KRH
8.5 to 1 compression is factory stock.
10.5-1
About 8.5 to 1
The 1970 engine had higher compression, but the big difference is in the way horsepower was calculated. In actuality, the 1970 was only a little more powerful than the 1977.