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i have a 93 tune installed now with a few added extras(leaned 3 deg., spark advanced, throttle boost +5)...i am getting ready to take a road trip from VA to Nashville...do i need to back off to a 91 tune or am i ok with the 93 on a trip.....dont really want to spend $300 in gas
 

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Imo i think you will be ok but if you allready detuned the 93 tune why not just run the 91 tune as most run better with it even using 93 gas?
 
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