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Transmission conversion help

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Old Apr 11, 2016 | 03:42 PM
  #1  
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jtapal
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From: Anderson California
Transmission conversion help

Hey all. So I have another post going where I explained that I have a 1979 f250 4x4 with a c6 and 351m. My C6 went out and I'd like to put a standard in it. I thought about the zf5 but sounds like it's quite a process to make it work. So now I'd like to find a 4 speed for my truck and have some questions. Im looking at buying a parts truck so I'll have everything I need. My C6 has a NP205 transfer case. Will this work with a t-18 or t-19 transmission or a BW435? Or do I have to use a diffent transfer case? Also that said if they are the same can I buy a 2 wheel drive pickup and bolt my transfer case on or are the transmissions different? I know I'm gonna try to find a parts truck from 77-82 that has my same 351m or 400. Any help would be appreciated. Thanks
 
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Old Apr 12, 2016 | 04:45 PM
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jtapal
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Bump.
Has anyone done this swap. Could use some help here
 
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Old Apr 12, 2016 | 05:58 PM
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Jeremy Kamutzki
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Ok, never had a 4x4, but I've seen some pictures.

I know that if your transfer case is a 'married' one, the tailshaft on the transmission is different than the 2wd because the transfer case bolts right to the transmission. I don't know how that works for a divorced transfer case. you may be able to swap tailshafts if you can find a tailshaft somewhere.

Easiest would be to just find a parts truck with a 4x4, cause then the driveshaft might even be the right length!
 
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Old Apr 12, 2016 | 08:16 PM
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grinnergetter
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You can reuse your 205 but you have to have a manual 4x4 trans that will have the correct t/c adapter bolted to the rear. Also, make sure you take good care of the donor d shafts.
 
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Old Apr 12, 2016 | 08:18 PM
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grinnergetter
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Old Apr 12, 2016 | 11:32 PM
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jtapal
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From: Anderson California
Thank you very much guys! So I'm guessing if I found an 80-83 with my engine and the transfer case is an np205 I don't have to shell out the extra cash and buy that transfer case too. As far as drive lines go mines a supercab so I'm sure I'll end up at the drive line shop :/ thank you very much guys
 
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