Interesting article(s) on boost and compression ratios

JonS

SCCoA Member
Really good discussion on compression, boost, and effective compression ratios, cams, porting etc.

http://www.onallcylinders.com/2013/01/31/blower-basics-part-1-supercharger-
types-and-terms/

http://www.onallcylinders.com/2013/02/15/blower-basics-part-2/

http://www.onallcylinders.com/2013/...tuning-and-upgrading-for-maximum-performance/

so if our cars have an 8.5/1 compression, and I get 14 or so psi, that's an effective compression ratio of well above 12, why aren't I getting detonation? (the answer is in flow and restriction somewhere).
 
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