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Old 10-21-2010, 10:02 AM   #6 (permalink)
axeman71
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That makes sense phunk, while I understand compression ratios I didn't realize the factory turbos used different ratios than the same model car without turbo. I just equated psi boost to power because that seemed to be the biggest factor in the aftermarket units. With the '06 and later Miatas they did have trouble with pre-ignition because the compression ratio on the car was something like 11 to 1. They did finally overcome the problem some how but it took a while. Is pre-iginition a big problem with our Zs and FI systems?
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