Even w/ a girdle, I'd still use a windage tray. As limited as the BB Mopar is w/ oil pans to control windage, it needs all the help it can get. I don't see the thickness of the girdle helping all that much.

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