Best way to remove bellhousing in a 99 camaro 3800
 

i am trying to remove the bellhousing from the engine and i cant get the top bolt on the passenger side off, what is the best tool and way to do this?

an extremely long extension, usually about 3 ft. maybe, and you can stick your impact gun up in the driveshaft tunnel and get access that way maybe? Thats how we used to do on alot of cars when i still turned wrenches for a living.

Yep... long extension and a swivel socket (and a long skinny arm to reach in and seat the socket)