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Should I buy it??

mrmojo32

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I have an 89 Gmc Jimmy - 350 - manual trans - 10 bolt front and rear .308 I think.

I have located an 85 chevy 3/4 ton truck with no bed and motor and trans pulled. The interior is shot and the bottom of the cab has rust holes. 14 bolt front and rear diff and good transfer case.

The guys wants 400.00 for the whole thing. What do you guys think about the price? I would part it out for my truck. I could really use the axels.

Thanks in advance.
 
if all factory its worth 400,000 with factory 14 bolt front.

if axles are good and in sound shape it will have all the stuff needed for 3/4 ton swap and bolt in to your k5 much easyer. 400 isnt to bad at all in my opinion for a good rollin parts truck.

but 85 3/4 would be 8lug 10 bolt front and watch out for semi floater 14 rear. you realy want 14ff rear.
 
Sounds like a good deal to me, but if it's a 3/4 ton it would probably be a 3/4 ton 10 bolt in the front and a 14 bolt in the rear. I could be wrong as far as the front goes...I'm sure others will chime in soon.
 
gears

truck003.jpg


This is my rig.... The .308's are killing me. Would the 85 3/4 ton have .373 or .411's?
 
In response to your question, most 3/4 ton axles I have seen for sale are 3.73's, but I know that some do have 4.10's as well. Only way to know is to pop the cover and count ring & pinion teeth. Just hope for the 4.10's, because you want the lowest gears possible.
 
bigblazer87 said:
In response to your question, most 3/4 ton axles I have seen for sale are 3.73's, but I know that some do have 4.10's as well. Only way to know is to pop the cover and count ring & pinion teeth. Just hope for the 4.10's, because you want the lowest gears possible.

with HD 3/4 tons (with 14FF) 4.10s are most common around here. i've actually never seen a K20 with 3.73s in it stock around here. plenty of 4.10s and 4.56s though.

you'll also want to make sure that the rear axle is a 14 bolt FULL FLOATER. this is easily identified by the 8 bolt flange on the ends of the axle shaft (in the center of the wheel, NOT the lug nuts). being an 85 it COULD have a 14 bolt semi floater in it. while not totally bad, they're pretty common with 3.42s in them.
 

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