I did some poking around, and the best info I could glean was the TF with the aftermarket out put would be about 20 1/4? That is about 2 3/4 inches longer than a shorty glide. Any idea of how much room there is between the bell housing surface and the pinion ?

8.582, 160.18 mph best, 2905 lbs 549, indy 572-13, alky