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Old 05-21-2010, 10:22 AM   #1
roachie
 
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NV271 input shaft swaping

This is for a conversion on a ford. The truck is an 04 and had a 5R110(?) with an electric shift NV273 case.

I'm installing a NV5600 and have to change the input on the case to match the NV's output. I counted 29 splines on the output.

I'm finding both 29 and 31 spline inputs for the 271 and 273, not sure why or if they are the same part. But the same spline count for both cases lists differing part numbers.

Also read online that the bearing diameter of the Ford vs. Dodge is different, the cases clock different, and attach differently.

Any help?

Here is where I'm looking:

http://www.drivetrain.com/parts_cata...rts/np273.html
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Old 05-22-2010, 11:14 AM   #2
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No one?
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Old 05-22-2010, 11:21 AM   #3
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as for the input shafts im not sure, but scott used a 271 out of a ford in BBDI
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Old 05-22-2010, 11:28 AM   #4
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did he use a 271 from a ford or the shift plate from a fordd to match the shift pattern of a 94-97 truck?
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Old 05-22-2010, 11:38 AM   #5
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Quote:
Originally Posted by smokingoat04 View Post
did he use a 271 from a ford or the shift plate from a fordd to match the shift pattern of a 94-97 truck?
whoops.... i fail...
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Old 05-22-2010, 12:06 PM   #6
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i can see them changing the clocking of the case, but i dont think they would change dimensions, internals, and bearings... but then again, we are dealing with ford...

I do know:
23 spine is dodge automatic
29 spline is nv-4500 and nv-5600 (not sure about G56)
31 spline is ford 4-speed automatic and 5-speed manual
34 spline is ZF-6 speed and 5R110
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Old 05-22-2010, 12:15 PM   #7
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I know that the dodge has studs on the tcase, ford does not.

A local shop used a complete front cover from a dodge 273 on the ford Transfer case. The result worked but the pattern was different (reversed, 2hi was 4 low)
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Old 05-22-2010, 01:40 PM   #8
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well i think that you need to go junkyard picking and find a 271 to take apart.. or just buy a new t-case input and see if it fits..
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Old 05-22-2010, 02:19 PM   #9
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I think I'm just going to take both apart and measure the bearing diameters.

Why can I not find a 29 spline input?
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Old 05-22-2010, 02:49 PM   #10
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you have to call them about it i know they have them it is what i ordered and swapped into mine to run the fat output shaft.
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Old 05-26-2010, 09:22 PM   #11
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The dodge input will go right in a Ford 271/273. You need to run the dodge seal though, as it has a different I.D. than the Ford.
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Old 05-26-2010, 09:39 PM   #12
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Damnit, have a part number?
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Old 05-27-2010, 07:21 AM   #13
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No, I just got a used one from ZBAG - Zumbrota Bearing Gear - Home
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Old 05-27-2010, 11:46 AM   #14
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those inputs are like gold lol i got one from t&b transmission in wa i put it in my ford 273 to mate it to the 4500
 
Old 05-27-2010, 05:13 PM   #15
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Quote:
Originally Posted by ozone burner View Post
those inputs are like gold lol i got one from t&b transmission in wa i put it in my ford 273 to mate it to the 4500
That was the only one he had, and your welcome. You can get the inputs from the dodge dealer but they are upwards of 200 dollars.
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Old 05-28-2010, 02:15 PM   #16
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contact dan at midwest transmission. he can probably hook you up with one.

Garrett
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Old 05-29-2010, 12:16 PM   #17
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I got one from drivetrain.com and installed it yesterday.


No different bearings or seals, its a direct replacement.
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Old 05-30-2010, 12:16 AM   #18
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Good to hear.
I am not sure what my t-case came out of but it there was a slight difference in the sealing area of the input. It was a 31 spline ford.
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Old 05-30-2010, 01:02 AM   #19
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Quote:
Originally Posted by roachie View Post
I got one from drivetrain.com and installed it yesterday.


No different bearings or seals, its a direct replacement.

You bought a new 29 spline input shaft? how much did it cost?
Thanks
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Old 05-30-2010, 11:18 AM   #20
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I think it was around $190 shipped.
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