c4 tranny problems in 90 mustang

i put a 5.0 and c4 tranny in my 4 banger mustang and ive got it runnin like a champ but i put it in gear and it pulls the motor down a little but it doesnt go anywhere..im gonna pull the pan and see if theres any thing obviously wrong but does anyone have any ideas what could b wrong 4 me??

logan

do u have the vacuum hooked up?back right of the c-4

Need more info.

What shifter? How did you adjust cable?
What kind of C4? Standard shift pattern or reverse pattern?

Fluid correct depth.

Have you tried it jackstands?