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Old 30th May 2017, 20:33
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Patrick Patrick is offline
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I'm running a 3.91 with the M20 - I did bump the tyre size up from E30 rolling radius (205/55/R15) to E36 rolling radius (205/60/R5) which brings the RPM down a bit - 3.3% difference. With extra torque from the stroker rebuild it sometimes feels like you don't need first.
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