You sure you don't have a cam lobe going flat?
I say that b/c the only time I've ever had a pushrod all of a sudden pop out and cause a problem was when a lobe was going flat on the cam. Especially since you say the rocker adjust was still tight.
Last edited by an8sec70cuda; 04/18/16 05:55 PM.
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
| 
