Just finished installing a newly rebuilt C4 transmission on my 1967 mustang
. This was a manual 3 speed to auto conversion so I've had to add some new parts (flexplate, blockplate, cooking lines, etc.) I have everything installed and finally fired up the car today. Put it in to gear and all I get is forward movement. Even when its in Park the rear tires still try to spin. I've double checked the shift lever to make sure that it starts in Park, I've messed a little with the front and rear bands (only know a little about these so didn't mess too much) but can't seem to figure it out.
Any suggestions from those of you who have dealt with this before? Really don't want to have to haul it to a tranny shop and pay some big bucks, that's the whole reason I decided to do this on my own! Thanks for any advice.