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1975 3/4 ton axles good?

yea thats good deal. congrats. those are external fulltime hubs. easy swap out for manual hubs.

the older axles are a little weaker. the d44's had external style locking hubs until '78 or so. after that they went to a stronger style internal lockin hub (still manual) in order to change to the internal locking hubs you must swap out the wheel hubs for the newer style ('80 or so and up)
 
If you put older axles on a newer truck, won't you have to relocate spring perches and possibly shock mounts?
 
nope. only time you have to move perches is in the rear axle and that is if you are putting a rear axle from a k30 into any other chevy truck or any rear axle from any non k30 truck into a k30. all fronts are the same
 
muddybuddy said:
nope. only time you have to move perches is in the rear axle and that is if you are putting a rear axle from a k30 into any other chevy truck or any rear axle from any non k30 truck into a k30. all fronts are the same
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right.. yep the truck is mine, am picking her up tmrw after noon.. im taking the day off again.. need to rip the truck apart in 1 day only. motor is coming out, tranny, transfer case, both driveshaft, rears, and whatever is good inside the truck. then its scrap time.. i think i made the right move abt gettin the whole truck... so i guess the build thread will be coming up sooner than i thought..:D
 
So I can use any 3/4 ton axles from any truck no matter what year, and it will fit with no moving of perches or shock mounts? K30's are 1 tons, right?
 
nad said:
So I can use any 3/4 ton axles from any truck no matter what year, and it will fit with no moving of perches or shock mounts? K30's are 1 tons, right?
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from 73 to 87 half ton and 3/4 tons would work. just bigger u bolts. but when u get kit order 3/4 tons for 3/4 axles. 1/2 is for 1/2s. k 30 are 1 ton yes. what i know is my new 3/4 tons will bolt in 1/2 ton truck.. i dunno abt brake booster hey yall will my half ton brake booster will work with 3/4 tons?:confused:
 
uncanny how much those trucks look like they are from Mi with the rust and all. I hate salt.:mad:
 
the truck is being traded with this car.. and i got to pay him some too.. otherwise i trade in my dodge too.. what u guys think? want to buy the dodge? or what? good shape, runs. not too good.. able to go home 200 miles. frame looks good. drivers side a arm needs replacing.. its temp fix home made a arm. body real nice shape.. normal rust.. no majors. no rust thrus.. just one spot on box that is rusted thru.. any offers acceptable. need to know by sat. thanks.. 1987.. i forget the miles.. but around 140k i think. NEED THE TRUCK?? COULD BE FOUND IN JUNKYARD AT ELMHURST.. TOOK THE MIRRORS OFF, REAR DRIVESHAFT BRAND NEW.. TOOK THAT OFF... RIMS.. SOME STUFF..

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Update

well i didnt bring the truck to my place cause when we tried to push it on the trailer, sounds like something cracked.. thought it was the frame but guess not! and i dont think the landlord will like 2 truck apart at my apt! so! i left it at friends junk yard and took it apart over there. heres the picture of the frame so far. its been going slow since the weather kinda sucks and been working.. today was a beautiful day! so i went after work. and worked on taking the truck apart. probably monday im goin to take everything home. i cant tomorrow since im going to conn to pick up the rims and tires i bought off here for the truck:D everythings going good... probably tonight there will be a build thread beginning for my truck... keep ur eyes open!.. heres the pix of the frame

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last pic..

last pictures.. sorry i didnt take any when i was using the forklift type of truck to rip the body apart... thats cause i was using it! and no one took a picture of me doing it!:o oh and thought it was a th400 tranny but its a th350....

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gmc4cw said:
that truck was seriously rusted.:eek1:
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yep it was! i didnt have to disconnect pretty much anything from body to frame! only cutted some wires.. and just kept lifting her up then its off.. drove around the frame, set the body down cause some parts inside i want to take out.. and the box i crushed it.:haha:
 
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