#4418, "RE: 16-20psi boost on a stock a604... dumb or smart...?" In response to In response to 6 Jun-03-08 07:27 PM by 99atxdsm
Never boost with O/D engaged, that's how you will burn up your clutch hub and kiss your tranny goodbye. If you are going to be doing any kind of boosting always make sure you do not have Overdrive on. Personally I wouldn't do anything above 10psi, unless the trans is built for a turbo setup.