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Highest DCR/SCR for 91 octance?

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Old 02-26-2008, 04:03 PM
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Default Highest DCR/SCR for 91 octance?
whats the highest safe compression ratio i can reach with my cam on 91? how would my dcr/scr be with cam in sig and milled afr 205's and stock gaskets or cometic gaskets?
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Old 02-26-2008, 04:41 PM
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From searching it seems that 8.5DCR is about max for 91.
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Old 02-26-2008, 06:59 PM
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Originally Posted by TurboLark
From searching it seems that 8.5DCR is about max for 91.
Its really important.
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