Ill say it again, 60 days is the min, if the paint is fresh, you can wetsand & polish it(most paint shops will do it anyways, so it looks like "GLASS"), but it shouldnt need to be waxed for 90 days after paint
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1988 Mustang GT, T-5
No Smog Pump (Shorty Belt), Dumps At The End Of Stock H-Pipe (Sounds Mean), K&N Air Filter (Stock Air Box, Removed air silendcer), 198.9 rwhp @4200 (235 Motor!!), 285 lbs-ft @2900 (336 Motor!!!).
My Stang This Is What Dynomax Ultra-Flo's Do