If this thing would still do a burnout on 20° of timing, I'd just manually pull the timing out, lol.
Ha! That's why I have a dial! Do the burnout and then retard. Old school but it works! How much do you pull out and what are you using exactly to do 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
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