4l85e in a duramax van

[johnj]

I was wondering if anybody clould give me some help with this thing i dont know where to even start trying to tune it. Hints or tips would help a bunch

[joecar]

Reduce the shift times tables to 0.3s (what is the vehicle's weight...?).

Increase the shift pressure tables.

Use shift torque reduction tables to adjust feel.

[johnj]

the van weighs 6100 empty all its used for really is to haul a couple of dirt bikes an some gear 7200lbs tops. Do you happen to have a stock tune i could use to play with before i get his stock file i live a few hrs away from him and im not sure the next time i will b headed his way thanks for the help so far