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overdrive gears available soon

Kohburn

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really don't think a deuce has enough power to defeat the wind drag. drag starts climing rapidly over 60mph
 

m-35tom

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eldersburg maryland
kohburn, you are right, but up to 70 it has enough power. also at lower rpms it is more in the top of the torque curve so i would think that would effectively cancel the wind drag somewhat. i got the best mpg at 55, that must have been the balance point of power versus drag.

tom
 
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jwaller

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Can the average shade tree mechanic install this kit? How many are out there now? How much acceleration is lost?
I am running one with great success. The accel loss between 4th and 5th is not much at all. My truck still has plenty of power to move right thru the wider gears. I am also running 1100's on my truck.

Imagine running 60ish mph and 2300rpms. I can run above 65mph and still have lots to go. The trans also seems to run cooler and quieter as well. I think the conversion to roller bearings is a fantastic upgrade.
 
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Ferroequinologist

Resident railroad expert
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The only place id chance running a deuce up to 100mph would be the bonneville salt flats.
I don't know if I would do it anywhere, and I'm crazy. You would definitely want street radials on it if you were going to try that!

Thanks for the update John, sounds like it is a well thought out and very successful upgrade. After a few loads of WVO, I'll be ordering a set for the m109.
 
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m-35tom

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major update to web page. divided manual into taking it apart and assymbly with pictures. gear blanks have been at forest city for a week now, so soon.

tom
 

Kohburn

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I am running one with great success. The accel loss between 4th and 5th is not much at all. My truck still has plenty of power to move right thru the wider gears. I am also running 1100's on my truck.

Imagine running 60ish mph and 2300rpms. I can run above 65mph and still have lots to go. The trans also seems to run cooler and quieter as well. I think the conversion to roller bearings is a fantastic upgrade.

exactly the kind of review I was hoping for - I'll be saving my dollars for this setup.
 

DEUCEBIGALOW

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Location
Seneca MO
You better rethink the XL's they are only rated for 55-56 mph max. 12.5R20xl - 16.00R20xl. But the 11.00R20xl are good for 68mph.
Ihad the xls on my dodge mega cab... used to run 70-75mph all the time for tank after tank.. trips from missouri to az to ga you name it ZERO problems could be due to less weight truck tipped scales at 9000
 
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