454ss tranny problems?

[motaa]

Ill try to check that hopefully its that.... and rebuilts here are not cheap at least fo me 950 is not cheap... and yes reverse works perfect.

 

[brandonb]

it wont shift up till a high speed without the modulator plugged in, or blown.

is the fluid low, or burnt?

 

[motaa]

thanks alot for the help everyone turns out it was the govener the plastic gear was out... fixed it with 50 bucks.. trucks is runing great..