Originally Posted by Cab_Burge
Originally Posted by an8sec70cuda
It can absolutely come through the threads of the intake bolts if they weren't installed w/ thread sealer.
How? confused

Crankcase pressure causes it to wick up through the threads. Had it happen to me years ago. Thread sealer on the bolts stopped it.

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