If you have a trans guy that you trust, why ask here?
He's gonna most likely use the parts he always uses and call it heavy duty.
You need high quality parts installed the correct way. While anyone can build a tranny, it can be tough for some guys to make them work to their claims.
Dave
He's gonna most likely use the parts he always uses and call it heavy duty.

You need high quality parts installed the correct way. While anyone can build a tranny, it can be tough for some guys to make them work to their claims.
Dave