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Old 05-25-2005, 05:45 PM
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lluciano77 lluciano77 is offline
Short changed on common sense
 
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Quote:
Originally Posted by Rhansen
Years ago Car Craft claimed that the practical limit (with some exceptions) for pump gas (93 octane) was 180 psi (on a compression test).
Anybody that knows their cranking pressure want to verify this?
I am at 220 psi with iron heads and 91 octane.
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