Turbo 400 experts please step in....

[joespanova]

Originally Posted by ss3011

There are several companies that sell governor weights and springs to move the shift points around . You are correct that playing with the modulator won't get it done . The kick down solenoid basically bypasses the modulator circuit at WOT only .

What is the modulators job? If it has little to no effect on shift timing , then why are they offered as "adjustable"? I've already played around with the weights , 2-3 shift at WOT is about 5800-6000....which is fine. Presumably , under WOT the 1-2 may be similar.
This post is about shift timing at part throttle around town driving though.It shifts almost immediately into second , part throttle casual driving.
Does the kick down have to be connected to increase lne pressure?