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Pistonhead
03-03-2005, 07:41 PM
Alright, I need to know the formula for calculating compression ratio, I have bore, stroke, # of cylinders, displacement and clearance volume. What formula would I use from here to calculate the compression ratio?
Mobular
03-03-2005, 07:57 PM
You'll need to know your combustion chamber volume too.

Try this calculator.
CHAINSAW
03-03-2005, 08:15 PM
what calculator Mobular?
Mobular
03-03-2005, 08:56 PM
D'OH!

Here it is....
http://www.performancetrends.com/cr12.htm
Pistonhead
03-03-2005, 09:23 PM
Thanks!!!!!!!!!!!!