tee-boy

iTrader: (8)

Did a search. No luck.

Should I consider a new tune after an M6 to TH 400 swap (4400 stall)? Car is a 98.

If so, what all needs to be changed (thinking of spark and fuel here)?

Seems to me the motor will rev faster thereby needing more Acceleration Enrichment and less spark. Am I way off?

JonCR96Z

iTrader: (33)

Just swap and go.

7420NW7TH

iTrader: (8)

You shouldn't have to do anything, but I would get a sensor for your speedometer to plug in your TH400.

b00sted

iTrader: (7)

You should be mint. Mine went from a4 to th400, and all it did was throw trans codes. No tuning needed.

Since you have an m6, the only codes it's gonna throw is for the speed sensor most likely.

tee-boy

iTrader: (8)

thx, speed sensor on the way.