Hybrid View
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04-01-2009 10:43 PM #1
Transmissions don't make power...they transmit it from the engine to the differential..............Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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04-02-2009 08:15 AM #2
what Dave said. You could put in a shift kit that will give you higher shift points and thus the feel of more hp.BARB
LET THE FUN BEGIN
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04-02-2009 01:01 PM #3
Although transmissions don't make power they are a significant loss mechanism. So actually if you lower the trans loss (or improve its efficiency) you will improve power transmittal to the rear wheels.
All that said in general a manual transmission has slightly better efficiency than an automatic. For example look at the EPA mpg ratings for cars that come both ways. Why? Automatics have complicated planetary gear trains with more friction and hydraulic loss elements than manuals.
In terms of efficiency in automatics go the TH350 is relatively good. Powerglide is better and the TH400 has the highest loss factors.
The TH350 is a great fit for your application IMO.
KitzJon Kitzmiller, MSME, PhD EE, 32 Ford Hiboy Roadster, Cornhusker frame, Heidts IFS/IRS, 3.50 Posi, Lone Star body, Lone Star/Kitz internal frame, ZZ502/550, TH400
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04-02-2009 04:21 PM #4
Just don't buy one from TCI.
Don
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04-02-2009 06:07 PM #5
700R4, low first gear and overdrive. Makes a 3.73 feel like you have 5.40s in first and 2.70s in OD.Livin' on Route 66 






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A belated Happy 78th Birthday Roger Spears
Belated Happy Birthday