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Old 05-08-2008, 01:01 PM   #1 (permalink)
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1/2 ton axle swap, 10 bolt to 14 bolt

I've been searchin for some specific info on whats involved in doing this swap.

But I not finding the info I'm looking for.

My question is, what is involved in taking 3/4 ton axles out of a donor 4x4 Chevy truck and putting them under my 1/2 ton 4x4 Chevy truck.

Correct me if I am wrong but the 3/4 ton would be 14 bolt as opposed to the 10 bolts I have under my stock 1/2 ton Chevy 4wd.

What are the considerations in doing this.

Like the steering arm
drag link
tie rod
spring pads and their locations

Any advice from someone who has done this would be greatly appreciated.
Plus it'll save me a trip to the wrecking yard to do the research.
Driveline changes
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Old 05-08-2008, 02:47 PM   #2 (permalink)
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"if the 14bff is out of a 3/4 ton then u r fine besides getting a conversion u joint to go from ur 1/2 ton driveshaft to the 1 ton yoke on the axle. but if the 14bff is out of a 1 ton then you have to move in the spring perches, just get under your truck and measure from spring to spring. then measure between spring perches on the 14bff. if they r the same width then get some U bolts and a conversion u joint for your driveshaft. o ya the napa part number is 447 for the conversion u joint."

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Old 05-09-2008, 10:46 AM   #3 (permalink)
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as for the front axle its guna be another 10b or d44(depending on which year the donor is) so as long as you dont mind the 6-8 lug difference as far as rims go than i would even bother with the front.

save your money for a 60 up front...
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Old 05-09-2008, 11:11 AM   #4 (permalink)
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Thanks , all good info for me to get started.

Now at least I've got some idas as to what to look for the next time I go to the local Pick-n-Pull wrecking yard
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Old 05-09-2008, 01:43 PM   #5 (permalink)
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if you haven't gone yet try looking for a 1ton 4x and pull that front axle (d60), tell the guys at the register that its a d44 if they even ask and hopefully they will give it to you dirt cheap. some of those guys dont always know what they got, especially at the pick and pull. make sure you go on half price day!
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Old 05-09-2008, 01:54 PM   #6 (permalink)
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Isn't a 3/4 ton a 14bolt semi float? I had a 91 suburban 3/4 ton and it had a semi float in it. and if you get both axles from the same truck, they will most likely be same lug patern unless someone did a swap before that truck hit the wrecking yard.
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Old 05-09-2008, 04:16 PM   #7 (permalink)
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Quote:
Originally Posted by glenns89 View Post
Isn't a 3/4 ton a 14bolt semi float? I had a 91 suburban 3/4 ton and it had a semi float in it. and if you get both axles from the same truck, they will most likely be same lug patern unless someone did a swap before that truck hit the wrecking yard.
Depends on the year... (I don't have the year split in mind at the moment)
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Old 05-09-2008, 05:51 PM   #8 (permalink)
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Depends on the year... (I don't have the year split in mind at the moment)
82 is the year split.
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Old 05-09-2008, 06:18 PM   #9 (permalink)
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You can tell a semi from a full float by looking at the rear cover.
Semi floaters the ring gear is on the left.
Full floaters the ring gear is on the right.
Easy!
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Old 05-09-2008, 06:27 PM   #10 (permalink)
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You can tell a semi from a full float by looking it.
Easy!
Fixed it for you.
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Old 05-09-2008, 07:17 PM   #11 (permalink)
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You can tell a semi from a full float by looking at the rear cover.
Semi floaters the ring gear is on the left.
Full floaters the ring gear is on the right.
Easy!
hhm, excuse me sir, but i must whole hardidly and with little respect as possible call you a fawking tard.

do you have any idea what is wrong with your statement? what would happen if you placed the ring on the opisite side of the pinion that rotates in the same dirrection?

oops you must have got the 1/3,000,000 chevy truck that had reverse ration drive shaft, in the back only................








its not your fault, it sure as fawk looks that way when you look at the cover though.



o.p.

for the most part it is/can be a straight swap.

ALL the front axles will bolt in with ZERO MODS!!!
the steering will need to be adjusted if you are going from a 10/44 to a d60 and again if you are going from a stock 10/44 arm to a raised arm, not much though.

the rear can be straight if you get the right axle for your truck, you didnt say if it was a blazer/truck or year.

3/4t 14b will have a 42" leaf center
1t will have a 40" l/c.

you will need to make sure to get all u bolts for the axles as they will very from 10/d44/d60/14bff/14bsf.

it is a simple swap with a lot of variables, yes it sound retarded but you wont relize it till you get in it.
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Old 05-11-2008, 12:24 AM   #12 (permalink)
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Yes I did forget to mention....

It's an 84 Chevy 1/2 ton 4x4 pickup, short bed.

There's a few confusing statements here.....

ya never know bout the ring and pinion thing, it might have been a monday morning at the GM plant and the guy doing the work had a serious hangover, LOL

And I definitly have to read the post again about the front and rear having different lug patterns ??
I'm not sure if I was at the Chevy dealer buyin a 3/4 ton pickup I'd be buyin the one that needed two spare tires...

I think I'd better put down the pipe and read thru this again, LOL
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Old 05-11-2008, 12:44 AM   #13 (permalink)
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hhm, excuse me sir, but i must whole hardidly and with little respect as possible call you a fawking tard.

do you have any idea what is wrong with your statement? what would happen if you placed the ring on the opisite side of the pinion that rotates in the same dirrection?

oops you must have got the 1/3,000,000 chevy truck that had reverse ration drive shaft, in the back only................








its not your fault, it sure as fawk looks that way when you look at the cover though.



o.p.

for the most part it is/can be a straight swap.

ALL the front axles will bolt in with ZERO MODS!!!
the steering will need to be adjusted if you are going from a 10/44 to a d60 and again if you are going from a stock 10/44 arm to a raised arm, not much though.

the rear can be straight if you get the right axle for your truck, you didnt say if it was a blazer/truck or year.

3/4t 14b will have a 42" leaf center
1t will have a 40" l/c.

you will need to make sure to get all u bolts for the axles as they will very from 10/d44/d60/14bff/14bsf.

it is a simple swap with a lot of variables, yes it sound retarded but you wont relize it till you get in it.
Not all front axles bolt in with ZERO MODS. What if the guys putting a d60 in the front with 15 inch rims and no back spaceing.... there gunna hit the calipars which im pretty sure means some sort of modifications.
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Old 05-11-2008, 12:49 AM   #14 (permalink)
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all i was trying to say is save your money for a 60 unless you have a problem running 6lug (stock front 10b) and 8 lug (14b)... thats what i am doing right now. its just a sugestion considering that its hardly worth the money to swap in the same axle just so you can have the same bolt pat. especialy if you plan on upgrading again in the future.
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Old 05-11-2008, 01:03 AM   #15 (permalink)
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Not all front axles bolt in with ZERO MODS. What if the guys putting a d60 in the front with 15 inch rims and no back spaceing.... there gunna hit the calipars which im pretty sure means some sort of modifications.

when did 15" ever come factory on d60 or even 3/4t d44/10?

hey i got a great idea, lets take something that was never available and try to make it fit with out changing a single fucking thing................


hey guess what number two, if it has zero back spacing it WILL fit without moding the calipers or brackets. you can fit up to 2.75" b/s.


i was able to use all stock parts to fit my all stock h1's on my d60. had to change the hubs over to factory aviable drw hubs, so thats a mod, if i had a drw in the first place it would have been a zero mod swap.

again if you think about what you want and are paitent enough you can do this all very easily, if you just grab the first axle that falls in your lap it can be apain in the butt.
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Old 05-12-2008, 09:36 PM   #16 (permalink)
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hhm, excuse me sir, but i must whole hardidly and with little respect as possible call you a fawking tard.

do you have any idea what is wrong with your statement? what would happen if you placed the ring on the opisite side of the pinion that rotates in the same dirrection?

oops you must have got the 1/3,000,000 chevy truck that had reverse ration drive shaft, in the back only................








its not your fault, it sure as fawk looks that way when you look at the cover though.



o.p.

for the most part it is/can be a straight swap.

ALL the front axles will bolt in with ZERO MODS!!!
the steering will need to be adjusted if you are going from a 10/44 to a d60 and again if you are going from a stock 10/44 arm to a raised arm, not much though.

the rear can be straight if you get the right axle for your truck, you didnt say if it was a blazer/truck or year.

3/4t 14b will have a 42" leaf center
1t will have a 40" l/c.

you will need to make sure to get all u bolts for the axles as they will very from 10/d44/d60/14bff/14bsf.

it is a simple swap with a lot of variables, yes it sound retarded but you wont relize it till you get in it.
Yea now that you mention it, I meant to say the raised section of the cover over the ring gear, however that would have been too easy and left nothing for you to flame. Hows your project coming?
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Old 05-12-2008, 09:46 PM   #17 (permalink)
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great, i have to tear out my sbc to sell with my street truck and i have to put this lame275 hp bbc in, oh poo.......:P
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Old 05-12-2008, 10:04 PM   #18 (permalink)
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Would that be the orange earlier body style one your selling? I am considering selling mine also (71 lwb 1/2 ton 350/350 ps/pb). But I got on 67-72 Chevy.com last night and got some new ideas. Bastids, I really don't need to sell it, but I really don't need to spend more money on it either. I'd rather spend it 4x4 stuff!
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Old 05-12-2008, 10:17 PM   #19 (permalink)
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true to that. i dont WANT to sell it, but i want to buy a house soon, i want the bbc in the 4x4, i just got the 4x4 running, i need 2 new boggers, i have a union initiation fee coming, gas is unbeliveable, i need to get my boat to my house to get it up and running for my dad, the motor that the 71 need and deserves is going to run $4k+, i want a true drag races and that is to nice to chop up..................

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Old 05-13-2008, 09:53 AM   #20 (permalink)
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I hear ya, I try to cover all the bases, have a car for each purpose, but I am running out of room! Thankfully I have a large lot where I can keep most of it out of sight, but damn. 4 Chevelles, 4 pickups, 3 Suburbans and a 96 Impala keep me plenty busy. I sympathize with the loss of bed space too, I look at a shortbed stepside for a week long trip and think damn, this fawkin thing is worthless!
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Old 05-13-2008, 12:14 PM   #21 (permalink)
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I hear ya, I try to cover all the bases, have a car for each purpose, but I am running out of room! Thankfully I have a large lot where I can keep most of it out of sight, but damn. 4 Chevelles, 4 pickups, 3 Suburbans and a 96 Impala keep me plenty busy. I sympathize with the loss of bed space too, I look at a shortbed stepside for a week long trip and think damn, this fawkin thing is worthless!

uhhheem...I think you just have too many trucks in general Although I do want to build a mud truck when I am done with the Jimmy for trails.
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Old 05-13-2008, 07:44 PM   #22 (permalink)
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Cmon Glenn buddy, you never have too many trucks!
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