DRIVETRAIN POWER LOSS .
#1
DRIVETRAIN POWER LOSS .
Need an accurate Drivetrain power Loss figure thru A727 trans with Loose 5500 stall converter & Dana 60 4:56 Trak-Loc 30 inch tall slicks. Have seen estimate numbers from 10 to >37 % !! ..30 % seems/feels about right to me. Thx for any help.
#2
Super Moderator
The first thing I would do is figure out how efficient your converter is by looking at your trap speed and rpm. Using a speed power calculator it will give you an rpm for a stick car with the same gears and tire size to compair yours to. It's not uncommon for a converter to give up 20 percent or only be 80 percent efficient.
#5
Super Moderator
I'd say 15 persent.........the 727 is not an efficient transmission, heavy rotating mass, I've heard the Dana is no better or worse than other axle assemblys.
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shone190
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