While watching some college bowl games today I was wondering what the compression is on a Porsche 911 Turbo. Turns out that car's compression is 9.8 so I feel I made the right decision on the 10.1 compression on my new built engine... Whats funny is the gtr is 9.1
Last edited by COSMO; 12-07-2013 at 04:34 PM.
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