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Old 02-24-2004, 07:22 PM
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4x4 conversion.....

would a 1980 chev shorty 3/4 ton front diff and transfer case work on my 78" ford 2 wheel drive ??
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Old 02-24-2004, 07:29 PM
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This site will help you out.fre
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Old 02-25-2004, 05:58 AM
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As long as you keep the front axle and transfer case driveshaft input and output on the same side of the vehicle the rest is not too hard.

You will need to measure the frame and axle spring perches, your truck has coil springs and where they are located most likely will require extensive modification to the axle to mount it with the raduis arms and coil springs, a leaf spring conversion will require less fabrication and $$$ in the long run.

Brackets will have to be fabricated to mount leaf springs to the frame,if you choose to go leaf springs.

The transfer case will have to have an adapter plate fabricated to mount it to the transmission, and the output shaft of the transmission will have to have an adapter to connect the output shaft of the transmission to the input shaft of the transfer case.
It would be easier here to find a divorce mounted New Process 205 transfer case and swap the necessary parts to a Chevy New process 205 case.

You can swap the ends of the axle to all Ford brake and steering parts, or just make the steering box, pitman arm, drag link, and axle work together- this will take some time measuring and comparing at the parts store.
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Old 02-25-2004, 07:48 AM
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The chunk for the Chevy is on the passenger side and Ford is driver's side.

So, no, it won't work.
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Old 02-25-2004, 11:33 AM
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Anything can be done. You would end up putting in a whole Chevy drivetrain. A lot easier just to trade your truck in on a 4X4. Probably cheaper in the long run too.
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Old 02-25-2004, 11:14 PM
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thanks

Thanks every one for there advice ive decided maybe to use a jeep one instead the whole front clip and the transfer case since its on leafs and for moving the axle up can i use the front DS for powering the back if i put the yoke on it? and will flipping the axle over the leafs cause crap?
shuld i keep the 9" or should i use a 8.73 disc 4 link from a 83 lincon contenental i can get jeep to ford custom drive shafts made if i need them so mixing stuff wont be too much i can use the pittman arm and the steering box off the chev if she all fits...i hope....as for a tranny should keep the 4 speed stick or should i throw a automatic from a 79 t bird in her....also can i use a voltage regulator from a 1980 ford 3/4 ton 300ci to work with the 351m400? i used alot of the parts off her allready..

for power specs whats the horse power on on of the 351m/400's?
if i welded tractor tires on a set of rims would she turn em?


its a 78 f150 ranger if you need to know long box extended cab
ill be taking pictures and setting up a file so u can see my progress on that and my 53,56 ford one(the 56) with the 455 olds big block...and the al original 53 merc 350 one ton destroyer...haha not yet......what kind of goodies will she like or what can i get....i need a hood if any one know or a fibreglass company that does them cowl induction would be nice....

last bit.... say i have a 91 grand prix 2.3L 4 cyl and il like to drop the clip and the engine etc from say a 2002 grand prix gtp would the clips be realitivly close and wires or is that a waste of time and i should just put her in the top?....or maybe a caddie v8 dohc??? and suggs??
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Old 02-25-2004, 11:37 PM
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I'll bet you trip over sh t you got laying around all the time!
Get one finished before you start somthing else.

Somthing else to keep in mind, If it ain't broke, don't fix it.
I understand that's negative to creativity, but it will keep money in
your pocket.


Shane.
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Old 02-26-2004, 07:14 AM
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right o

i do some times but hey ill do what i can and most of the stuff i have is free so i have money thankfully i sure need it sometimes gas is expensive...........bret
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Old 02-26-2004, 07:50 PM
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The Grand Prix clips aren't even close.
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Old 02-26-2004, 09:12 PM
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damn

how hard would the swap straight up be?
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Old 03-01-2004, 06:02 PM
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I hang out with a lot of truck guys and this topic comes up now and again. It's significantly more expensive to swap to 4x4 then it is to just get a 4x4. It has been priced out before.
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Old 03-01-2004, 07:48 PM
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BBB is right on here. i just found this out myself yesterday. the punkins are on different sides of the dif on fords and chevies'front dana 44's (and prolly all other front difs). as far as cost goes. i put my 55 on a 79. i replaced everything:drivelines, leaf springs, shocks, gas tank, bearings, bushings, but not axles or gears. plus i replaced all the front disc brake parts and added discs on the rear ($500+). i have like 8-9000 in receipts. could buy alot of 4x's for less than that, no doubt. you could do it alot cheaper if you dont go crazy and use the parts as you find them. i have a friend trying to give me that crap all the time now, difs usually, occasionally a transfer case. he has a spare 350 i have a spare 400, if i knew him before i did my truck it would have cost me alot less, like half. $450 of it was exhaust at a muf shop. he coulda done it for basically free. it aint what ya know, it's who ya know, but sometimes ya just dont know anybody

Last edited by bullheimer; 03-01-2004 at 07:55 PM.
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