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Sboxin Sboxin is offline
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Join Date: Jan 2007
Location: Phoenix, AZ
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Quote:
Originally Posted by winders View Post
If the engine really does have 12.5:1 compression, I don't see how 100 octane race fuel is enough even if you limit the revs to 7200 RPM or so. I would expect you to need at least 110 octane fuel.

Heads can "lift" due to detonation which is a likely outcome if you are not running a high enough octane fuel.
Scott,
Thanks for your response. I responded to your PM - thank you your added information - we will be following up on your suggestions.

Regards,
Roy T
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2002 Porsche Boxster S Cobalt Blue/Blk/Blk
Crew Chief for Son's 1978 Porsche 911SC Original Porsche Mocha Brown 3.8L NASA race car
Previous Porsches: 1958 356 Red Coupe - 1972 914 Blue -1972 911T Coupe Aubergine
Old 05-29-2022, 06:48 PM
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