Belt drive, raised cam block, 60 mm...all big money unnecessary parts for what you're building. All things I did NOT want to run on mine. I 100% agree w/ you.
You know my combo and what it makes. Keep it simple. twocents

CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax