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Old 10-17-2012, 02:32 PM   #14
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Join Date: Aug 2010
Location: Bay Area
Posts: 4,368
My Ride: X5, CT200h, CLK63 BS
What is your power goal Edgar. That's probably the most important question to ask when determining your ideal compression ratio, close second to that being how available is premium fuel to you (be that E85, C16, 110L, etc)... if you raise the compression (or stick to your stock 10.5:1) you'll net smaller numbers on pump gas but yield a better curve on race fuels such as those mentioned above.
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