Oh one other thing. Whats the difference between the M90 and the M62? Just curious since the one i have that just came off the supercharger comes up on pulley boys saying the M90 is tbe replacement for stock EA85882, which is whats engraved on my pulley.

I will check the vin, and post a pic of the supercharger in the morning. I know very little about cars, except for the occasional little tinkers ive done over the years with my grandpa (who use to be a mechanic). The car is just your average daily driver, i dont need any boosts or anything like that ...

Ok, so ive got this 1994 Buick Park Avenue Supercharged and heres the nightmare of events that has lead me to this forum. Grab some popcorn, and here we go.... :btruestory:
Couple weeks ago, my bf and i were on our way home, bout 10-15 mins from home and he notices this faint raddling noise. Didnt ...