Last week I got my 67 to a point where it was ready for a test drive after getting fenders and doors back on and lined up, hood on and all the glass in.
So we went for a ride about 2 miles and all was going real good, then we turned around and when I accelerated something popped in the transmission and I lost forward movement. Still had reverse, but no forward, fluid level was good
So something in my newly rebuilt C6 had broke, shop that did the work believes a snap ring on the forward drum came off.
It’s off to the shop this week to get fixed