I have the NP435 and single speed transfer case in my 67 4x4. Is there a 2 speed transfer case I can upgrade to? I was going to go to a 5 speed, but can't find one that will adapt to my 390 without costing a fortune. So, I'll stick with the NP435 (and maybe have it regeared, if possible), but I'd like to get a 2 speed transfer case. Is there one available for the NP435?
Thanks!
Transfer case upgrade
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67nukeford
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67F110
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Re: Transfer case upgrade
I think the Dana 20 out of an early Bronco with an adapter will work. Do a search in this forum and see what pops up. It's been done.
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cep62
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Re: Transfer case upgrade
You could also get a NP435 with a 205 gear drive out of a '76-'79.
You'll need the tranny because yours is a 2wd with a adapter.
The D20 would be a good choice and it even has a lower ratio, but it might cost more to covert.?
You'll need the tranny because yours is a 2wd with a adapter.
The D20 would be a good choice and it even has a lower ratio, but it might cost more to covert.?
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67nukeford
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Re: Transfer case upgrade
Thanks cep, I think that will be the direction I go. I need to find a donor for the power steering anyway, now if I could just find a truck with a good tranny and transfer case to donate with it!
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hazelnut
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Re: Transfer case upgrade
the bump F250 4X4s come with 2 speed cases,dana 24s should bolt right in.
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Redcap
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Re: Transfer case upgrade
Divorced or married?
Definitely skip the Dana 24 (piece of crap) and head straight for the NP205, which is available in either version.
Definitely skip the Dana 24 (piece of crap) and head straight for the NP205, which is available in either version.
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67nukeford
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Re: Transfer case upgrade
Married. I've heard that about the dana also, so I'll stick with the 250.
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shaggys_bump
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Re: Transfer case upgrade
http://www.fordification.com/forum/view ... 11&t=45460 <<<---- click
1970 F100 Ranger XLT SWB 302
2004 Nissan Murano
1998 Isuzu Amigo "v6 4x4 conversion comin soon"
2004 Nissan Murano
1998 Isuzu Amigo "v6 4x4 conversion comin soon"
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eggman918
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Re: Transfer case upgrade
Dana 24, I just rebuilt mine at 750,000 miles, I have nothing bad to say about a 24, but they are getting hard to find. However if you have over 450 hp it would be worth finding a NP205.MY truck has a stout 390 and lives in 4WD . Oh well free advice...... Good luck 
Steve
The"Filthy Beast"- '68 F-250 Crew Cab 131"W/B 4x4 4BT compounds hx30/Wh1c,5x.012" sac injectors/ZF 5/NP203-205 /3.54 44 trutrack front/60 trutrack rear on 33's. 2nd owner
"Beauty is only skin deep....Ugly is to the bone"
It is more important to understand what you don't know than what you do know,because then you can start to learn..???
"you must deal with the attaboys and the ass chewing s with your head up and looking them in the eyes" T.J.E. aka My Dad
There are only three types of people wolves, sheepdogs, and sheep. What are you?
The"Filthy Beast"- '68 F-250 Crew Cab 131"W/B 4x4 4BT compounds hx30/Wh1c,5x.012" sac injectors/ZF 5/NP203-205 /3.54 44 trutrack front/60 trutrack rear on 33's. 2nd owner
"Beauty is only skin deep....Ugly is to the bone"
It is more important to understand what you don't know than what you do know,because then you can start to learn..???
"you must deal with the attaboys and the ass chewing s with your head up and looking them in the eyes" T.J.E. aka My Dad
There are only three types of people wolves, sheepdogs, and sheep. What are you?
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4x4freakfe427
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Re: Transfer case upgrade
[quote="cep62"]You could also get a NP435 with a 205 gear drive out of a '76-'79.
Go with what this guy said mid to late 70's 4 speed and 205 case, but you will have to lengthen the front drive shaft or get the donor one and shorten the rear shaft or get the donor one to. I cant remember if you have to modify the cross member. I am in the prosess of doing this same thing on my 71 f100 shorty.
Go with what this guy said mid to late 70's 4 speed and 205 case, but you will have to lengthen the front drive shaft or get the donor one and shorten the rear shaft or get the donor one to. I cant remember if you have to modify the cross member. I am in the prosess of doing this same thing on my 71 f100 shorty.
67 Highboy with 427FE 79 dana 60 front dana 70 rear 13" of lift 38" swampers. 72 F100 2wd short bed 302 toploader 4speed. 71 F100 shortbed 4x4 rust bucket. 68 F100 2wd long bed parts truck no rust.
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Redcap
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Re: Transfer case upgrade
eggman918 wrote:Dana 24, I just rebuilt mine at 750,000 miles, I have nothing bad to say about a 24, but they are getting hard to find. However if you have over 450 hp it would be worth finding a NP205.MY truck has a stout 390 and lives in 4WD . Oh well free advice...... Good luck
