91 octane with thinned head gasket

Yamitriple

Member
Joined
Nov 17, 2018
Messages
326
Location
Ovid Michigan
Is the mod reliable if u only have 91 octane available? I ride in the UP and most pumps offer 91 ethonal free fuel. Didmt come across 93 very often if at all.
 

Actually if your only in grand blanc I could just pick them up and pay cash? If youd be alright with that. I'm only in st John's
 


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