jake68...If I recall correctly, hemi-itis did more than just suspension to lose the weight. He went to aluminum hemi heads instead of cast iron (most of the 100 lbs right there, lol) and got rid of a big dual oil filter setup.

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