Octane for MSP?

sunoco 94 everyday. best part is the free carwashes from all the points racked up.
 
I always try to had a octane booster when i fill up! i only use the booster from lucas oil tho! its like 6 bucks. helps alot!

I think its funny that on the bottle and on there web site they list it has not street legal but its sold at the local parts stores in jax
 
Reviving an old thread for a good question... what about p5's that now have the msp turbo kit? always ran 87 in my 5 and still do now that im boosted no pinging or detonation so far but should i switch to 93?
 
93 Sunoco runs best i run shell's 93 and i think sunoco's better regular is a no no 91 is ok but 93 all the way i still have my 93 octane warning sticker on my lil gas door whatever u call that
 
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