compression ratios, 91 z28
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From: rockford, IL
compression ratios, 91 z28
i have a 91 305 tpi motor and a 89 305 tbi motor that was switched to a tpi. the lower end is original still. i was wondering if the compression ratios were diff on the tbi's compared to a 91 tpi. anyone who knows the ratios for these yrs plese reply.
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