5.9L Rotary Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps Related To Performance And Longevity

NV4500 Conversion

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  #1  
Old 03-01-2012, 10:43 AM
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Default NV4500 Conversion

i am about to do a NV4500 conversion and i am not sure if i can use my factory drive shafts or not.. anyone have done this or know about this, any help would be appreciated
 
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Old 03-01-2012, 05:28 PM
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Old 03-05-2012, 09:16 PM
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Originally Posted by jdchristianiii
His is a 4wd swap.

What if a person was doing a 2wd auto to nv4500 swap. Anyone know if the driveshafts are the same?

Thanks!
 
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Old 03-05-2012, 09:30 PM
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Mostlikely not. The transfer cases are the same, so I would say overall transmission legnth is different. Therefore, even with a 2WD, you would need ur shaft recut.
 
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Old 03-05-2012, 11:40 PM
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Originally Posted by jdchristianiii
Mostlikely not. The transfer cases are the same, so I would say overall transmission legnth is different. Therefore, even with a 2WD, you would need ur shaft recut.
I would be willing to bet that you're right. I know the NV4500 with the 4WD tailhousing was 4" shorter than the 46RH or A15 or whatever its called with its 4WD tailhousing so unless the NV4500's 2WD tailhousing is 4" longer than the 46RH's tailhousing (if that's the transmission you have) then you would need a re-cut shaft. You only have to do the real short half of the rear driveshaft though and it didn't cost me much, a hundred and something...
 
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Old 05-09-2012, 09:22 AM
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Default nv4500 swap

hey i have a 2wd nv4500 waiting on the ground under my truck, the shaft lengths all depend on what you convert from and should be handled at a shop... has anyone done a 2wd nv4500 swap or for that matter an nv4500 swap on here, im looking for a little advice i am using a 95' 4x4 trans i converted to 2wd, with the reverse treaded fith gear nut, round top cover, valair clutch and starter spacer, a stock 1995 bellhousing, the 95' master and slave cylinder with 88' resivoir, got the clutch pedal n master cylinder braket out of the 88', the corect input shaft 1.25 and im having a hell of a time stabing this trans because i have no clearence above the to cover of the trans and i dont want to cut my cab all to pieces, its a f#&%^!@ pig of a transmission even dry and i dont know wether to keep hacking away at the tunnel till i can slide her in or what to do hellp plleeassee!!
 

Last edited by John_Dohan; 05-09-2012 at 09:39 AM.
  #7  
Old 05-09-2012, 01:06 PM
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Uhhh I was told 5 speed to 5 speed the shafts are the same. I measured the nv4500 on my dads truck from the rear of the oil pan to the t-case n same on mine they were within 1/4" of eachother. The auto's you need the rear lengthened n the front shortened I believe.
 
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Old 05-17-2012, 07:55 PM
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Originally Posted by John_Dohan
im having a hell of a time stabing this trans because i have no clearence above the to cover of the trans and i dont want to cut my cab all to pieces, its a f#&%^!@ pig of a transmission even dry and i dont know wether to keep hacking away at the tunnel till i can slide her in or what to do hellp plleeassee!!
I had to cut behind the hole I cut in the floor for the shifter about 4 extra inches, I just cut a slot straight back and peeled the metal aside and pushed it back down after I was done stabbing it in. I cut like a old keyhole with a round hole for the tower of the tranny and a slot to slide it up through.
 
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Old 06-13-2012, 12:46 AM
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Default hey thanks man!!!

hey thanks i ended up cutting threw the floor and reshaping the transmission tunnel because i couldnt get my engine to it staight with the world after i put the trans in -3.2 degrees is a little much haha it'll be rollin soon
 
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Old 06-18-2012, 06:02 PM
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Originally Posted by John_Dohan
hey thanks i ended up cutting threw the floor and reshaping the transmission tunnel because i couldnt get my engine to it staight with the world after i put the trans in -3.2 degrees is a little much haha it'll be rollin soon
Well im glad it worked out for ya! Good luck with the rest of the job!
 
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