I have .0024" on the rods w/ coated Clevite bearings and .0035" on the mains w/ regular Speed Pro 119M bearings. No problems w/ idle oil pressure. Only reason the rods are as tight as they are is due to the coating.

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