Let Me Know if You Have Allison Transmission Fluid Questions

They are both wrong. To get the full effects of Transynd you should drain the transmission pan-do not remove it-twice. Refilling with Transynd both times. I ran a couple of hundred miles before doing the second drain. Changed the spin on filter the second time. If you read your manual, Chevy says not to flush the transmission. I know it is a lot of reading but all of your answers can be found by reading the posts by "hzjcm8" He is the expert.