I remember the thread but now how to find it. I do remember your help in '09, still appreciated! I agree there would be no downside to a little cam advance. On my old 5spd tbis (both my aries and crapbox caravan were run for years as 5spd tbis before turboing) i shifted it at 4800-5200 anyway. Shifting the powerband 300-500 rpm to the left does not seem like a big enough change to cause any major side effects.Funny thing is Vigo just last week I was remembering that thread that part number ID'd the different cam gears and the amount of timing change that is built into each gear. I was thinking of asking if anyone remembered what thread that was in, was it 4Lbodies (Todd N's thread?) My daughters TBI LeBaron needs a little more grunt to get out into traffic and I'm thinking a little advance would help, I doubt the motor will ever see more than 4500RPMS so I think there would be no trade off shifting the power curve to the left.