What's the duration at .050" on the cam? LSA? I can't see the cam card attachment on my computer.
Like everyone else has said, that combo should be running a lot faster than it is IMO.
What torque converter do you have?
You have a tall tire w/ only 4.10 gears and just a 4500 stall...I'd say more gear and/or converter.
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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