TH400 Transmission????? please help....
I just rebuilt my 69 GTO. It has a 400 engine and has a automatic TH400 transmission. I just put the engine back in, put the torque converter and transmission in the car and then broke the engine in yesterday. the car ran great and sounds amazing. i finished cleaning up all the wiring and then put the brake booster on the car. i was planning on driving the car last night and it started up, and when i went to put it in gear, it would not go into any gear. the transmission was recently rebuilt and worked fine before i pulled the car apart.
is there anything i can troubleshoot, like the way i put it back together or linkage, anything that would cause the car not to go into any gear on the shifter. anything helps.