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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

available transfer case

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Old Nov 22, 2008 | 12:25 AM
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available transfer case

I am planning to put a 460 from my 85 motor home into a project truck (1967 kaiser M715). I would like to use a C6 transmission but not being familiar with ford drivetrains what transfercase would I need to get to bolt up to the C6 trans? This truck will end up being a tow vehicle for my Jeep.
Any help would be appreciated.
 
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Old Nov 22, 2008 | 06:10 AM
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Off the top of my head, you can use a NP208, NP205, or a BW1356.
 
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Old Nov 22, 2008 | 09:53 AM
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The bellhousing is integral on the c6, so you will have to get a c6 that went to a 460 or a 351m/400. The transmission will have to be a 4x4 tranny to accept the transfer case, so possibly when you find the correct tranny, it will have the transfer case already on it. But like was said, most transfer cases made for a Ford will fit.
 
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Old Nov 22, 2008 | 05:25 PM
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NP208, NP205, or a BW1356 is one better than the other? strength wise, ratio wise?
 
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Old Nov 22, 2008 | 05:47 PM
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1356 is considered stronger than the 208. Both are chain drive, aluminum or magnesium(can't remember which), and both were installed in the 80 style trucks, so factory mounts, shift levers, and driveshafts will fit, you just have to find the right stuff in the junkyard.

The 205 is a older style transfer case that is all gear drive, heavy cast iron, and was only offered on the 79-down trucks, so some retro-fitting is required for these. The hard core offroad guys like these and go to the effort to put them in.
 
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Old Nov 22, 2008 | 06:34 PM
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I think I'll look for the NP205 since "retro-fitting" this drive train will be necessary for this build .... Thank you all for the quick response and information.
 
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Old Nov 22, 2008 | 09:28 PM
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Originally Posted by UTfball68
I would personally suggest the 205...but another t-case that hasn't been mentioned (but I wouldn't recommend it) is the NP203. Another thing to note, is you don't necessarily have to get a 4x4 C6...but if you get a 4x2 tranny, you'll need a new tailshaft.
If you get a 4x2 tranny, yes you will need a new tailshaft and the transfer case adapter, but the problem is you have to tear the tranny completely down to install the shorter shaft. That's ok if you are going to get it rebuilt anyway.
 
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Old Nov 23, 2008 | 09:46 AM
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I have a freshly rebuilt C6 2WD in the motorhome. Where can I get the tailshaft and adapter?
 
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Old Nov 23, 2008 | 11:39 AM
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What are you doing for the front axle in your M715? They are passenger drop IIRC, so a Ford t-case won't line up.. However, if memory serves, your existing trasfer case is divorce mount NP200, so, a 2wd transmission will be useable without any changes to it, and transfer case strength is not an issue..
 
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Old Nov 23, 2008 | 01:41 PM
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Are you trying to convert to 4wd or is it already a 4x4? I,m looking into putting a divorced transfer case on mine, I seem to have plent of room.
 
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Old Nov 23, 2008 | 10:30 PM
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The m715 is a 4wd from the factory and the transfercase is a divorced unit. However, the stock transfercase will not tolerate speeds over 45 MPH. (oiling issues) I would love to find a divorced transfercase that would work behind the 2wd C6. I plan on swapping the axles for newer dana 60's, mainly for the brake upgrade it would provide. Depending on which transfercase I end up with, that will decide if I use a (pardon my bad language) Chevy or Ford front axle. I plan on using a dually rear axle for a different look in the rear.
 
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Old Nov 24, 2008 | 04:03 AM
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I believe chevy, Dodge and Ford all used the 205 tranfer case. Also used the Dana 44 front axle. Not an expert though.
 
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Old Nov 24, 2008 | 12:50 PM
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Some of the 70's Ford pickups did come with a divorced transfer cases. I guess some of them were 205's. Another transfer case from this era I believe was a 203, and if memory serves, these were full time transfer cases.
 
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Old Nov 24, 2008 | 07:21 PM
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Originally Posted by UTfball68
Sure did...any of the 250 4by's from 73-77.5(before sequence number Y20,001) had the divorced case. The 203 was a weak sister (as I stated above) compared to the 205. The 205 is the gear driven part time case, and the 203 is chain driven full time case.
so if I am understanding you correctly I might be able to find a divorced 205 from a 73-77.5 4x4?
 
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Old Nov 26, 2008 | 08:32 AM
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Go here it's nice quick info on 205 options.

High Impact - NP205 Tcase Data Sheet

I would go for a divorced 205 there strong and simple and there are both good Ford and Chevy options depending on your front axle. Divorced allows you to put it anywhere, alot of guys do it so they can get egual length drivelines and only carry one spare. It also allows you to put a brake before the transfercase so it is not effected by the low range. Good for the wallet to the 205's are cheap and you can use the tranny you got.

I love M-715's I aint got one yet but I do have a J-10. Duals in the back I've never seen that on an M715 sounds cool.
 
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