Curious if footbraking a trans with a brake would make the car slower than with a foot brake valve body
Several years ago I swapped out a 727 with T/A reverse manual valve body, swapped in a 904 with a brake valve body( A&A) which I have always footbraked, car actually slowed down 7 or 8 instead of picking up a tenth or so I expected. I don’t think the convertor is off, in fact I feel it’s more “ right” than the one that was in it when I bought the car. I've seen the same 60 foots from my car w/ two different 727s...one w/ a brake and one without. Both were Turbo Action valvebodies. 
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 4 speed, Dana 60
'71 Demon 340, no drivetrain, on blocks behind the barn
'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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