Noot: Power Robbing Automatic Transmissions

Power Robbing Automatic Transmissions

I'm attempting to rebuild a vintage Hurst Super Shifter. What a mess. I got it painted black and cast gray and have to test it each time. In my research, I found an old transmission article on "Power Robbing Automatics" and the benefits of the manual gear box in racing.

Did you know it takes quite a bit of horsepower to
spin these automatics???

General Motors

Powerglide = 17 to 18 hp

Turbo 350 = 35 hp

Turbo 400 = 45 hp (holy shit)

Ford

C4 = 27 hp

C6 = 55 hp (damn)

Dodge/Chrysler

904 = 25 hp

727 = 45 hp (what the?)

Manual Muncie / Borg Warner = I can spin it through all the
gears with my hand . . .

With this baby 283 build - I need all the help I can get !

3 comments:

Unknown said...: Thanks for sharing this information. When you are rebuilding transmission it is really important that you have great background and information of rebuilding stuffs. It is also important that you remove those rust on the metals to ensure proper functioning.- www.maddogtransmissions.com; Thursday, May 16, 2013
Mr. G said...: This comment has been removed by the author.; Thursday, May 23, 2013
Mr. G said...: Noot. I came across this stuff as well while researching the FMX trans behind the 390 in my ford Country Sedan; Thursday, May 23, 2013

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