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np203 and np205

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Old Sep 11, 2012 | 09:00 AM
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np203 and np205

Can someone please enlighten me on which years and models had divorced and non divorced np 205's. And which years did they do 203's vs 205's? I have a 78 F250 (back home so I cant go crawl under it) but im looking for a non divorced np 205.

Thanks!
 
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Old Sep 11, 2012 | 10:55 AM
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73 - early 77 had divorced transfer cases in the F250's. Not sure about the lowboy's made in those years. Late 77-79 had married in the F250's. Always married in the F100-F150. Not sure about 203 or 205. I think it is random. My 78 F150 had a 203. My other 78 F250's have 205's.
 
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Old Sep 11, 2012 | 10:57 AM
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Someone correct me if im wrong but I think what I found out is the 203 is the full time 4wd and the 205 is regular 2wd/4wd.
 
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Old Sep 11, 2012 | 10:58 AM
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You are correct.
 
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Old Sep 11, 2012 | 11:00 AM
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How much are they worth?
 
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Old Sep 11, 2012 | 11:03 AM
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Not much, Everyone usually wants the 205. Unless some is doing a doubler, most just swap them out.
 
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Old Sep 11, 2012 | 11:06 AM
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yeah Im putting a doubler in my cj behind an ls 6.0 thats why im so curious haha. What is needed to bolt the 203 to the 205? Any adapters? Or is it a bolt on?
 
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Old Sep 11, 2012 | 11:09 AM
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Not sure. Hopefully someone with more knowledge will come by and help you out.
 
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Old Sep 11, 2012 | 11:12 AM
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Yeah, Id imagine there's an adapter and stub shaft but thanks for your help!
 
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Old Sep 11, 2012 | 11:21 PM
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My 78 f250 had a full time 203 that was converted to part time.
 
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Old Sep 12, 2012 | 12:10 AM
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On a doubler only the low range part of the 203 is used. couple outfits make doubler kits.
Going into a CJ? keep in mind the length of the drivetrain. Its been done but makes for a short rear drive line unless you have allot of lift.
Is that going to be a ford 6.0 or a GM 6.0?
If Gm you will need a gm 203 and the correct adapter to go with what ever tranny you use.
For a Ford 6.0 your going to need ti find an adapter to bolt up a 203 to what ever tranny the power stroak has...that could be tricky. Ford dropped the 203 and the 205 in 79.
 
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Old Sep 12, 2012 | 12:19 AM
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Off-Road Design makes a kit and I think Northwest Fab makes one. Save some pennies though!
 
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Old Sep 12, 2012 | 06:28 AM
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Yeah i was looking at the Offroad Design. Its a chevy ls 6.0 but the jeep is being comp cut and the axle slid back and front forwards with 3 and 4 links. But its still a long setup... But $1000 is cheaper then $3000 for an atlas and adapters!!
 
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Old Sep 12, 2012 | 09:36 AM
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Originally Posted by kbrenner536
My 78 f250 had a full time 203 that was converted to part time.
I also have a '78 F250 with no locking hubs so i always thought it was full time. But i can put it in 4x4 in the cab and thats when it locks in.....i would like if someone would explain which t-case i have and how it works? Thanks
 
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Old Sep 12, 2012 | 12:00 PM
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Also guys, what are dana 70s worth? I am using the 60 front but a 14 bolt rear. Someone wants my 70 but I have no idea what they are worth? Its complete.
 
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