How do I find an 8 3/4 rear in the jy

mcodecuda said
You need to go back and check the center section. It might have a 3.55 in it or if your really lucky it might have a suregrip in it.

And a /6 truck would have 3.91 gears. Last year I got a 489 case with 3.91 S/G from a 73 D100 /6.