Originally Posted by Vince @ FLT
I would do the hd-2 kit as mentioned by lildevil. The sonnax setup is a little difficult for the do it your selfer and the hd-2 kit is easily done.
i am corrsct in saying that the transgo hd2 kit fixes the problem, right. now i can't find the kit that mentions the Actuator Feed Limit Valve. i have been reading so much lately trying to diagnose this i might have gotten confused.
i was going to get the hd2
SONNAX 4L60E PINLESS FORWARD ACCUMULATOR
TRANSGO GM 1993-UP 4L60E SHIFT KIT
TRANSGO GM 1996-ON 4L60E SEPARATOR PLATE
SUPERIOR 700R4/4L60E BILLET SUPER SERVO 4TH APPLY PISTON AND COVER
Corvette Servo kit for the 700-R4 and 4L60E Transmissions
just take care of all the problems while i got it open.