I still got 2 451s and they both have run 5.49 at 265mph 15 years ago.
And I never drained the "breakin" oil lol before running them. I have never changed the original oil in any motor that I built or any motor from a car factory.
I have made more power than anyone on this board. WGAF 
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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