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Old 09-01-2010, 12:30 PM   #1 (permalink)
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14 bolt and 3/4 ton springs in under a half ton...

If i put 3/4 ton springs and a 14 bolt under my half ton 4 wheel drive pickup 95 model.....will it raise the ass end up way in the air and look stupid? just a thought but i just wanted to be able to haul without squating the pickup real bad....and having the nice big beefy rearend never hurts.....

if not what are some other good options to haul my one ton jeep on 40's without squating the truck awfully bad.....
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Old 09-01-2010, 12:39 PM   #2 (permalink)
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airbags.
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Old 09-01-2010, 12:45 PM   #3 (permalink)
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The 3/4 ton springs might give some lift but not much. The hauling capacity might improve, but to get a level ride under load it's still the same as with 1/2 ton springs either helpers or air bags. Bags would let you increase load carrying and not increase ride stifness because you can adjust the air in the bags.
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Old 09-01-2010, 02:09 PM   #4 (permalink)
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How would i go about converting the front to 8 lug?? Is that possible without a mass amount of work?? I would just really like to have the 14 bolt under the truck...,really like it in the jeep. So easy to work on
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Old 09-01-2010, 02:17 PM   #5 (permalink)
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Just buy a 3/4 ton truck.

Not worth swaping all the stuff around imo just to have a 1/2 ton transmission in a truck with 3/4ton axles/springs.

I don't understand why you can't pull your jeep on tons and 40's with your half ton as long as you load it right on the trailer. I pull my similar jeep with my half ton dodge all the time.
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Old 09-01-2010, 04:18 PM   #6 (permalink)
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My dad put 3/4ton springs in the back of a suburban and it worked just fine

This was a POS work truck though
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Old 09-01-2010, 05:50 PM   #7 (permalink)
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Quote:
Originally Posted by mike4089 View Post
How would i go about converting the front to 8 lug?? Is that possible without a mass amount of work?? I would just really like to have the 14 bolt under the truck...,really like it in the jeep. So easy to work on
get a semi float one. they are decent, probably wont break and they arnt 8 lug.
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Old 09-01-2010, 06:08 PM   #8 (permalink)
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There are 8 lug semi 14s out there buddy.
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Old 09-01-2010, 06:27 PM   #9 (permalink)
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get a semi float one. they are decent, probably wont break and they arnt 8 lug.

My 86 K25 has an 8 lug 14SF in the rear. Care to explain that to me?

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Old 09-01-2010, 07:32 PM   #10 (permalink)
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i have seen 14bolt sf in 6 lug.....however i think most of them are 8 lug???
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Old 09-01-2010, 08:21 PM   #11 (permalink)
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Yeah they even make the semi float 14b in 5 lug in the 454ss chevy trucks.
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Old 09-01-2010, 09:19 PM   #12 (permalink)
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6 lug SF14's could be found in the 88-98 heavy half ton (RPO F44) and in some 2WD 2500's.
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Old 09-01-2010, 11:21 PM   #13 (permalink)
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^ This and light duty 3/4 ton K2500's with 6 lug axles. I got one of these 1993 version.
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Old 09-01-2010, 11:50 PM   #14 (permalink)
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There are 8 lug semi 14s out there buddy.
of course there are, but you can get them in six as well.

i guess i should have said they ALL arnt 8 lug but my bad. my point or suggestion is still valid tho, that he could find a better axle than a 10 or 12 bolt and not have to change his front suspension.
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Old 09-03-2010, 12:11 PM   #15 (permalink)
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There is a possibility that you could go to 8 lug without changing the front suspension. Lumpdog did an SAS and installed a Dodge front axle in his Suburban, he put the Chevy six lug unit bearings on the Dodge front axle. The subject came up and he believes that early Dodge 3/4 tons with unit bearings had the same 3 bolt flange as the 1/2 tons. I think the splines may have even been the same on the stubs. If so and the distance from the knuckle face to the hub flange is the same then an early Dodge unit bearing and Dodge or Chevy rotor MAY work to install 8 lug wheel on a 1/2 ton IFS GM 4x4. The added advantage of this IF it works is that those older Dodge unit bearings were lubable if I recall correctly.

IF this all is doable then you could upgrade an 88-98 GM IFS 4x4 to a FF14 bolt (cheaper generally than a SF14 and stronger too) 3/4 ton rear springs, 3/4 ton front torsion bars and all the unit bearing and brake rotor parts and have a greater weight carrying capacity without having to purchase a new truck. The downside is you are still stuck with the 1/2 ton aluminum front differential, however if it is just a work truck without serious abuse in 4wd it should live and you will never have a 10 bolt rear axle problem again!

Last edited by just4cuz; 09-03-2010 at 01:09 PM.
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Old 09-03-2010, 07:43 PM   #16 (permalink)
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8 lug 9.5 vs 6 lug 9.5

You may be able to swap the 6 bolt and 8 bolt flanges in the GM 9.5" 14 bolt axles. The quarter mile guys have done it some:

http://www.hotrodders.com/forum/ques...ear-71143.html

If you have 15" rims, I am not sure how you are going to fit those on the much larger drums of the 9.5". Minimizing the backspacing may work, as the drum is tapered a bit, but I would measure before purchase if possible. You also put more stress on your lugs by not centering the load on the point where the lugs are held by the flange (same problem with using spacers or bolt adapters)

I have a 8 lug 9.5 SF I could offer (3.73), but I'd need a 10.5 14 bolt in 3.73 and probably some cash in return...
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