So I'm trying to get my grand prix back on the road, the tranmission is being a turd, and has been for probably the last 20-30k miles, it really doesnt like the 1-2, and the 2-3 is also crap, and sometimes even the 3-4 sucks. I'm not 100% that the transmission is the issue, but after having the engine replaced (had an oil leak grow bad fast) it's still slipping when shifting, especially on the 1-2, and I figured I might as well get it rebuilt. I was super close to just selling the grand prix to a scrap yard, but with the car market where it is, it's cheaper to try the prix, and I still love the car. It's in dire need of a dyno tune, but I can't do that if the trans is acting up, and I figured I'd try and do that first.
PS I'm looking at doing the upgraded input and output shafts, and maybe even one of those LSDs, any comments about those?
