I’d like to say my heads up my *** showing the manual trans when you said you have a 727. With that said, it has been a while since I seen a 727 OD variant but I’d go with the A-500 variant to free up some hp and loose some weight. Being your cutting a driveshaft down anyway……
I used to have a bunch of them aluminum case large bearing retainer overdrive 4 spds. I think I sold one for 10 bucks once,like a dumbass ... brand freaking new almost
