I'll start off things here in the ZF6 forum.
Feel free to add more.
jc
------------------------------------------------
ZF6 GENERAL INFO
Official Name:
ZF S6-650
ZF = Manufacturer - ZF Industries
S = Fully Synchronized in all 6 gears and reverse
6 = 6 Speed
650 = Model number
Specifications:
Weight: 4x4-233 lbs., 4x2-241 lbs. (weights with fluid)
Fluid capacity: 6-liters (synthetic)
Input torque: 520 ft. lbs. (GM and ZF numbers)
Gear Ratios:
Reverse - 5.23
1st - 5.79
2nd - 3.30
3rd - 2.10
4th - 1.31
5th - 1.00
6th - 0.72 (O.D.)
Feel free to add more.
jc
------------------------------------------------
ZF6 GENERAL INFO
Official Name:
ZF S6-650
ZF = Manufacturer - ZF Industries
S = Fully Synchronized in all 6 gears and reverse
6 = 6 Speed
650 = Model number
Specifications:
Weight: 4x4-233 lbs., 4x2-241 lbs. (weights with fluid)
Fluid capacity: 6-liters (synthetic)
Input torque: 520 ft. lbs. (GM and ZF numbers)
Gear Ratios:
Reverse - 5.23
1st - 5.79
2nd - 3.30
3rd - 2.10
4th - 1.31
5th - 1.00
6th - 0.72 (O.D.)