Fan rotation,
Cw,
Idi, 89-02 cummins, all isbs, 6.4, 6.2, 6.5, sprinter om641
Ccw
7.3, 6.0, 6.7, 03- cummins, 6.6 duramax,
There are some ******* setups on the detroit 6.5 that spins other way.
Lots of mix matching can be done,
6.0 blades on 7.3s, idi fan clutch on 6.4, 6.7 fN blade/ clutch...