Has anyone installed a GV overdrive on a 727 in an Aspen or Volare?
I am wondering how much you would have to massage the floor to get it to fit.
Not into an F-body, but into an A-body it was a piece of cake, on a 4-post lift.
What I did was to lower the tail and install the unit, then with a jack, I cranked it up into the tunnel hard. This made witness marks in the tunnel, so I knew exactly where she wanted clearance. Then I just took the unit down, and with my ball-peen hammer, I made a little cup-type clearance bubble in two places, IIRC. Then I reinstalled the GV with two bolts as before, and repeated the procedure. After just two tries, it was in there as high as it would ever go, which was not quite enough. I got the rest by lowering the the rear trans mount. I used a polyurethane mount and all it needed was .25 inch clearance from tunnel to unit.
My Barracuda is lowered quite a bit, so I did have a minor but aggravating driveshaft vibration that I traced to the driveshaft angles. When I narrowed my rearend for bigger tires, I solved that.
My car is a 4-speed, but all in all, the GVod was one of the best modifications I did to my car.
If I was an automatic guy;
I would have installed something like an A500/A518 overdrive with a lock-up and a modest stall.
