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, 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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