How to figure out compression ratios
12-15-2004, 10:12 AM
#2
Registered User
Join Date: Jan 2001
Location: Lafayette, Indiana
Posts: 411
Re: How to figure out compression ratios
Its the ratio of the maximum volume to the clearance volume of the cylinder.
CR=V1/V2
V1=Maximum Volume (piston at crank dead center)
V2=Clearance Volume (piston at head dead center)
-Bryan
CR=V1/V2
V1=Maximum Volume (piston at crank dead center)
V2=Clearance Volume (piston at head dead center)
-Bryan
12-15-2004, 10:51 AM
#4
Administrator
Join Date: Nov 1998
Location: Hell was full so they sent me to NJ
Posts: 70,671
Re: How to figure out compression ratios
Go to the "stickies" post at the top of the forum listing, and select the one titled "Automotive Calculations on CamaroZ28.Com ". There is a compression ratio calculator there that will tell you all the info you need to do the calculation, like combustion chamber cc's, piston dish or valve relief cc's, head gasket thickness, etc.
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