Best gas for gsr

[TegSox]

If you fill your car once a week and put in 93 instead of 89, it would cost you about 4 bucks a month, a dollar per 10 gallon fill. Isn't your GSR worth that?
Or you could just go back and forth between 89 and 93. Fill your tank when it's at half empty with 93, then next time with 89, then next time with 93, ect... and you'll have a perfect mix to land you at 91, which is the minimun your engine needs to run at FULL POWAH!!!!!!! :lol:
And doing that will cost you about 2-3 bucks a month.

 

[dc2nr]

using octane booster to bump fuel octane isnt very good, that 3 dollar bottle MAYBE adds 1-2 octane, the 5-10 dollar ones do maybe 2-3 octane.

why not just buy 5 dollars of 92/93

 

[Autotech510]

Premium

Premium unleaded fuel is what i would use. Gsr need to run on higher octane, not that its unsafe to use any other octane but it always reccomended by the dealer to use premium. Sometimes im really broke, so i have no choice but to put lower octane fuel, im pretty sure some of you out there do the same but when it comes to best burn and performance, id definently go premium.