right. there is 13 pressure points on this transmission. if you sit on seat check port 1 is under your right heel on the transmission this is system presure ,should be about 180 psi.check port 2 is about 3 -4 inches to the left of port1. this is torque convertor pressure should be about 120 psi. then try port 3 which is a comman port for clutch pressure. 3 is slap bang in the middle of the control valve ,it should read about 135 psi. try these 3 first i think you,ll find something here. make sure it,s warmed up and take readings at 3/4 of full engine speed. oil is j20a/c