Originally Posted by Synner
If all you changed was the pumpkin and you suddenly started having issues then I would be looking at the pumpkin, not the trans. If you did a clutch or something at the same time then its anybodys guess.
Explain how a rear end grinds when you shift and/or makes it hard to shift and does not grind when driving? If the rear end controls how a transmission goes in Gear we would call it a clutch.