There is a Drivetrain section here ya know 
You will get way more info there in the sticky thread alone.
All the answers are in this thread...
http://www.impalassforum.com/vBulletin/showthread.php?t=232098
You will get way more info there in the sticky thread alone.
All the answers are in this thread...
http://www.impalassforum.com/vBulletin/showthread.php?t=232098