Compression

[90K5]

Does anyone know what compression my 350 came with from the factory. I am thinking about getting a compression tester that you put in the spark plug hole to test it. Wouldn't this be for the engine to run on 7 cylinders though? Thanks

90K5

 

[DMK]

If you mean comp.ratio it is 9.3 to 1. A compression tester won't give you compression ratio.

 

[6.2 man]

Also you don't run the engine with tester in the hole . Just turn it over 3 or 4 cycles .