jackpawt883

im pretty sure, and wouldnt see a reason why not, but im also not 100% sure
so would the trans from a lt1 roadmaster mate electronically to the trans in my lt1 camaro?

DelSoto

LT1 vs. L99 Trans differences:
4L60Es in L99 4.3L V8 cars come with a smaller servo than the LT1 5.7L V8 cars, which come with the “...053” cor-“vette” servo for more holding power on the 1-2 and 3-4 shifts. If an L99 4L60E is going behind an LT1 engine, the servo assembly should be swapped over before installed (easily accessible on the passenger-side of the case). TransGo also sells a vette servo that can be installed as part of their 4L60E HD-2C reprogramming kit. There are a number of aftermarket servos available; be aware the Sonnax servo has fitment problems in the B/D-body while the Fairbanks servo does not. Also, the boost valve is smaller (again, Transgo or Sonnax has a fix for this), and it is possible that some holes in the separator plate are smaller.

jackpawt883

cool man, thanks for the info! i'll look into the transgo stuff and see if its do-able reasonably, im just looking for the cheapest alternative to a brand new trans/ rebuild kit and a roadmaster trans is up for sale on craigslist for cheap