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-   -   Can I use pump gas? (http://forums.pelicanparts.com/911-engine-rebuilding-forum/585270-can-i-use-pump-gas.html)

kyhunting 01-13-2011 10:13 AM
Can I use pump gas?
 
I would like to save some money on the race weekend. Can I switch from race gas to 92 pump gas?

Calculated Compression Ratio: Chamber=67cc, Dome=22cc, Bore=90mm, Stroke=70.4, Deck=1.25mm. = 9.5:1 Compression Ratio.

Twin Plugged.
500ft above sea level
28 degrees total timing
DC60 cams
Weber 40's - Mains 160 & AC 160, 36mm Vent.
36 intake & 32 exh. ports

Thanks...

EBS_Don 01-13-2011 10:23 AM
9.5:1 with twin plug is practically over kill! 92 octane will not be a problem.


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