Quote:
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Originally Posted by LSM
Quote:
Originally Posted by gmd2003
The problem is I'm sure I would get a significant bump from running race gas with my stock CP tune lol .
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We have 91 octane in Cali I mixed 1/4 tank of 100 octane and 3/4 91....SO the octane was what 93.25.....what everyone else in the country runs |
Well not really , most race fuels have anti knock additive packages in them irrespective of their octane . Shell URT adv is an excellent example . It is only rated at 110 octane yet greatly outperforms even 114 octane fuels because of its additive packages . Once you start adding " 1/4 tanks" of race fuel you can't say you have the equivalent of 93 pump .