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Originally Posted by ozspearo
I may have access to some 100 octane low lead gasoline (AVGAS) and was thinking of using some in my Boxster S.
Can any tech heads or fuel experts tell me;
Can I use this fuel?
What percentage can I use (i.e. adding X gal of 100 octane to Y gal of 95 or 91 octane each tank?
Thanks
-Scott
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Unless you have big engine mods or can only get 91 like here in So Cal forget it. Above the manufactures recommendations is worthless in any car, definitely not worth $7+ a gallon.
PK