th350 issues after rebuild

1978chevymalibu

Daily Driver
Sep 2, 2010
17
0
0
Goodyear arizona
i have an issue with my trans after rebuilding it due to delayed shifting i put a stage 2 shift kit in it and changed the clutches the issue im having is randomly it feels like it going into nuetral almost like poping out of gear at first after rebuild no issues and i took it out one day and the torque converter seal started leaking fixed that and then came this issue when it doesnt act up it shifts really good hard and fast but just randomly it does act up any suggestions or things i should check it does have the cooler on the radiotor but its a 4 row radiator thanks
 

SSedan64

Dragway Regular
Oct 5, 2009
948
0
0
MACON, GA.
A Pressure test will help diagnose where the problem is.
Port is on Passenger isde to the rear of the 1-2 Accumulator cover.
0-300psi gauge is needed.
Example >> http://www.sjdiscounttools.com/atd-5550.html also check Amazon etc..
Parking Brake applied Wheels chocked @ about 1000rpm.
Normal Pressure:
D = 60-90psi.
R = 80-150psi.
L1 or L2 = 75-110psi.
 

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