Thread: engine compression levels.
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Old 04-24-2024, 09:25 AM   #3
old31
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Join Date: Jan 2016
Posts: 2,124
Default Re: engine compression levels.
52 is pretty good.

If you have a standard head the math would be:

4.2x14.7. About 60 lbs on a new engine.

Some say the formula should be 4.2x14.7+14.7.
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