1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Getrag plus NP205 question

Old Sep 13, 2013 | 10:59 PM
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Default Getrag plus NP205 question

I was wondering if I were to do the twin stick mod on the case if I could make the rear axle shifter a long stick, put a lower gearing in my axles, and potentially make this a twin stick shift truck. So I would start out with the t case in 2 low and shift up and then put it in 2 high to get more speeds out of the trans. Would this work? I want to do this in my 94 Chevy crew cab dually with a first gen swapped in it.I just think it would be do cool haha.thanks!
 
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Old Sep 14, 2013 | 10:20 AM
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I'm sure you could, but.
The ratio difference between hi and lo range are not he best for splitting or doubling.
Hi/Lo shifting is difficult at best.
You would have to get some really high speed gears for the axle to make it practical.
 
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Old Sep 14, 2013 | 10:21 PM
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Originally Posted by cougar
I'm sure you could, but.
The ratio difference between hi and lo range are not he best for splitting or doubling.
Hi/Lo shifting is difficult at best.
You would have to get some really high speed gears for the axle to make it practical.
Yeah I understand that haha. But who knows, I probably won't do it haha.
 
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Old Sep 15, 2013 | 09:46 AM
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I thought about it myself once and came up with the above list as to why it wasn't a good idea for that purpose. However, it is a great idea if you need a low range without having to go into 4wd. Which I think many of us have been there a time or 2.
 
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Old Sep 16, 2013 | 01:17 AM
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Just put a 5x4 in it and forget it! all the gears you could ever want. Got a buddy with a couple and when i get around to it i am going to put one in my 88 3500 conversion.
 
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