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4X4 hub conversion

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Old Feb 12, 2011 | 01:16 PM
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lawdogg_78's Avatar
lawdogg_78
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4X4 hub conversion

Hello;

I'm pretty new to this and have a question for you Ford guys. I just recently purchased a 1976 ford f-100 4x4 with a 390. I love it and want to restore it. I was told that you can purchase manual locking hubs and replace the existing hubs which make it full time 4x4. I guess my question would be...is this true and if so, how easy or difficult is it? Thanks for the help.
 
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Old Feb 12, 2011 | 01:30 PM
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410F-100
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Odds are it is a 360, measure the stroke and double check...
there were several full time 4WD F-250's... but they all came with the NP 203.
I have never herd of a full time F-100 or F-150
WhaT transfer case do you have? dana 21???
 
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Old Feb 12, 2011 | 01:39 PM
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Lawdogg, you are correct. If it has full time 4 wheel drive you can buy a kit to convert it to part time 4x4. The kit consists of a set of manual hubs and some parts for the transfer case. The first thing you need to do is identify the transfer case which could be a NP203. Then contact an off road vendor or one of the sponsers on here and purchase the kit and intall it.
 
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Old Feb 12, 2011 | 01:50 PM
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Great....I will work on identifying my transfer case. Also, the f-100 series did come with the option to be full time 4x4 as well as the option for a 6.4 liter 390. This one has both. I bought it from a guy in Idaho who was the original owner. Anyone know the easiest way to identify the transfer case?
 
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Old Feb 12, 2011 | 01:59 PM
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Climb underneath and look at the back of the case. With anyluck there will be a tag. Should be a little round one usually near the top if I remember correctly. That will identify the case but I am pretty sure it would be a New Process 203 full time case. The other option you have is to find a NP 205 gear drive case. This is the part time case that was also used in these trucks. I think.....the 203 is aluminum and I know the 205 is for sure cast iron.
 
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