Quote:

Our plugs were gapped at 30. Should we adjust this also? The engine would pop a little when I let off in the turns.


.030"-.035" is fine for plug gap. Like everyone said, check the timing! I bet it is retarded.

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