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Old 11-01-2000, 01:55 AM
jason2 jason2 is offline
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Join Date: Dec 1999
Location: Newport, Washington
Posts: 243
I just purchased a '75 Dodge 1/2 ton with a 440, NP435, and a NP203. Previous owner swapped in a 8 lug 3/4 ton Dana 44 front axle and dana 60 rear.

The front axle doesn't seem to be engaging. If I get time this weekend I'll drop the rear driveshaft and see if the front axle will move the vehicle.

I've never had a vehicle with a full time case like a 203. The truck has Warn lock out hubs on it. I believe that you aren't supposed to use lock out hubs with a full time case, unless you install one of the conversion kits. Which makes me wonder if the hubs are the problem. The transfer case itself seems to work fine. It shifts in and out of it's ranges fine, lo and lo loc work great. Just doesn't seem like I'm getting any power to the front axle.

Looked through a few catalogs tonight for OEM style hubs for a full time Dana 44, but couldn't find any. I'm hoping Napa or somebody will carry them. Don't see why they shouldn't. NP203's were very common, all of the big three used them in the 70's. Any idea on what a set of OEM style hubs will cost?

Any ideas? John DiMartino?
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Old 11-01-2000, 09:12 PM
jason2 jason2 is offline
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Join Date: Dec 1999
Location: Newport, Washington
Posts: 243
Feel silly, the 4wd works. Got the truck on a hill, tried backing up in 2wd, then again in 4wd. It would climb in 4 hi, but not in 2wd. Still kind of concerned about the lock outs.

Wondering what is included in the conversion kit to make a NP203 into a part time case? Want to see if it is installed or not.
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Old 11-08-2000, 11:23 PM
fran fran is offline
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Join Date: Sep 2000
Location: iowa
Posts: 13
CON KIT

I REPLACED MY CHEVY NP203 FULL TIME, SHOULD BE SIMILIAR TO YOURS. I BOUGHT MINE OUT OF JC WHITNEY, IT IS A MILEMARKER BRAND, IT ALSO CAME WITH ALL METAL LOCKOUTS FOR ABOUT $110. YOUR AXLE IS THE SAME AS MINE BUT MINE IS FOR A 1/2 TON. THE KIT IS VERY EASY TO INSTALL, YOU DON'T EVEN HAVE TO REMOVE THE T-CASE. YOUR HUBS MIGHT BE PART OF THE PROBLEM. ANY ? ON INSTALL E-MAIL ME FRANDAGG@NETINS.NET
MILEMARKER.COM JC WHITNEY.COM
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  #4  
Old 11-09-2000, 12:09 AM
IRISH IRISH is offline
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Join Date: Jan 2000
Location: greenville mi.
Posts: 46
Lock outs are the problem get rid of the lock-outs and you will have 4 wheel again forget the conversion kit that old full time 4 wheel i think is the best you don't have to work on it very often and you alwys know that you have 4x4

IRISH
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