I've gone a few months without the tune, but I wouldn't recommend it. You'll most likely either run rich or lean, and either one of those are bad if you do it for a long period of time. I just didn't have the money right away.
Originally Posted by matmatician
What spare tire? The one that adds weight? Psh. Its wherever my A/C is.
ROTM June '13, PNW Crew #42, SR #245, Rally Rev #02