Thread: need info and input on doing a swap on a series 3 05 grand prix to a supercharged

Originally Posted by SnowTh1ef

I hate to disagree, but a topswap is much easier than an entire motor swap, and as zero reliability issues. Me and frosty95 are both running awesome topswap setups on stock trans.

Did u have to run a custom tune with the stock trans or anything ?