- Joined
- Aug 3, 2010
- Posts
- 30,445
- Reaction score
- 28,348
- Location
- Usually not in Ohio
- First Name
- Andy
- Truck Year
- '77, '78, '79, '84, '88
- Truck Model
- K5 thru K30
- Engine Size
- 350-454
Those numbers aren't right. Iirc, 10 bolt is 3" and D44 is a little smaller. But a 10 bolt is certainly not 3.5", even the mighty 14 bolt axle is only 3 3/8.