Get a looser converter and watch the ET's drop. It's not making the grunt down low to flash that converter anymore. Let it rev and it'll fly.
edit...I also strongly encourage you to tear the front back off the motor and degree the cam.
Last edited by an8sec70cuda; 06/21/17 05:59 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
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