Quote:
Originally Posted by NJSPEEDER
Does the ATS tune up require premium fuel? I know when Little G did the Stage upgrade to his Soltice GXP that was one of the requirements, I believe the car could run on mid grade with the factory tune.
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edit: i misread your post...my moms ats is fine on regular as far as i remember.
Yes, Premium fuel was required.[ecotech stage II tune ]
I did the tune on my SKY as well. It was a huge improvement.
I also did the GMPP cold air intake, aftermarket intercooler, hard intercooler piping, and magnaflow catback all at the same time. The car was much faster than stock and it didnt "de-tune" itself in response to bolts-ons like the car would with a factory tune. I even bought a better wastegate spring but never installed it, it's sitting in my tool box still.