c4 ford transmission

Hi All, I just pulled a FX dual range out of a 65 Galaxie 500XL Conv. early this week. Transmission would slip out of park with a stiff breath of wind and, from the stories I have been reading on here, seems to be a common theme among these trannys. Also seemed like it dropped 3rd gear...

I bought a rebuilt transmission $899 from a well known supplier. The transmission was a C4 built by TCI. I went to install the transmission and the slip yoke would not fit. The brand new out of the box Spicer slip yoke would not fit even after I removed the tail shaft housing. A new bushing out...