Originally Posted by fantastic88
jeeze...that trans shifts hella good.
and early. You should shift 1st- 2nd at 50mph and 5800rpm. I don't know what but something is out of adjustment. Maybe you're throttle position sensor needs adjustment because that looked like 3/4 throttle on those runs.
um...prescott watch my video can compare the HUD to the regular speedo on the shifts
this is with perform shift on with a fresh trans:
obviously hes a series II but still a 4t60e.....
mine shifts about 47...his should be about 48 or 49 on a stock PCM I'd think