One thing to remember is that if the wheel design isn't changed, there is no difference in billet or cast, with that said, whatever you decide to go with, Jose from ForcedIndictions is the man.
Just picked this 05 Sierra up yesterday
So far I plan for.
Tie rods
EFI live tune
Intake
DP (it has a Silverline catback)
Lowered 3/5in
PCV re route
Studs and grade C HG's
And next year a built Trans.
Hey guys my name is Mike and I'm currently in the market for a Duramax as a drag project I have in mind. I hope to learn alot here and hope share my build with you all once I finally nail down a good Dmax.