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Broken D70 Shaft

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Old Oct 7, 2008 | 06:40 PM
  #1  
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Broken D70 Shaft

Sometimes even a 1.5" 35 spline shaft just does not cut the mustard.
This got twisted up pretty bad. Not a clean break, and the shaft was pretty bent.
44" Boggers are just plain hard on parts!
Image of Broken 35 spline axle - Photobucket - Video and Image Hosting
 
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Old Oct 7, 2008 | 08:13 PM
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There's a video that floats around every now and then of a guy in a late 70's GM on 44's snapping a corporate 14 shaft. He drops a tire between two rocks and all of a sudden three wheels start to turn with the one not moving, then BANG- and that was it.

Justin
 
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Old Oct 7, 2008 | 09:35 PM
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That sucks. Chromo FTW. Haha.

Rocks bring the suck. I would never build a rock crawler.

Actually I hate rock crawling. MUD BOGS PWN JOO ALL.

That is my internet vocab in action.
 
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Old Oct 7, 2008 | 09:52 PM
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Good job. I guess the logical choice is rockwells
 
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Old Oct 7, 2008 | 10:07 PM
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Yeah if you can afford and find rockwells.
 
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Old Oct 7, 2008 | 10:49 PM
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Go look through his Photobucket album, theres a pic of a D60F that broke in HALF at the diff. Not the shaft... the whole axle.
 
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Old Oct 8, 2008 | 12:05 AM
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Originally Posted by teds74ford
Good job. I guess the logical choice is rockwells
I do believe so....

Originally Posted by Prozon
Yeah if you can afford and find rockwells.
With d60's being over 1k in most places, you can get 2 steering rocks for 1800.
There really not hard to find either, just got to look for them.

Originally Posted by texastech_diesel
Go look through his Photobucket album, theres a pic of a D60F that broke in HALF at the diff. Not the shaft... the whole axle.
Ive heard of people breaking the axle tube there... Now i have seen pics, i am curious as to what caused the break there at the tube though.
 
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Old Oct 8, 2008 | 01:13 AM
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I have a set of rockwells, but they are too heavy. They require a bunch of work to lighten them up, and I cant justify this.
They also take up a bunch of space, and I am not will ing to lift the truck that high to clear the diff.
Chro-mo shafts are on the way. This probably wont happen again. (knock wood).


As far as the other carnage, that D60F that broke in half also occured this same weekend (I wheel every weekend) and this axle found a large boulder burried deep in the mud. A wide open pass with a 500 plus cubic inch big block, a little nitrous and 44 inch tires were no match for this boulder.
This truck was getting it on, and when it hit the rock, it came to a real quick stop.
Whaaam! Instant two piece dana 60F.
 
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Old Oct 8, 2008 | 02:04 AM
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Yea the top loader rocks, do require alot of lift to be able to clear them though.

Im sure your probably aware of this, but they do make front loader rocks... Just something to i thought i would throw out there....

You should start up a new thread with some specs of your rig and a few pics in it too.
By the way, what do you plan on doing with the rocks?
 
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Old Oct 8, 2008 | 07:32 AM
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Originally Posted by Truckin4life

You should start up a new thread with some specs of your rig and a few pics in it too.
By the way, what do you plan on doing with the rocks?
X2 You are sneaky, and only illude to your truck. Stop holding out.
 
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Old Oct 8, 2008 | 10:34 AM
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The rocks I picked up for a song and I may never use them, but I have the option to do so if the desire should arise.
As far as fron load axles, I believe these are 5 ton units, and have a poor pinion design. Not much for aftermarket support, and these pigs rely on sheer size for strength. Again these would be too heavy, and the parasitic losses associayed with such a large axle would mean that I would have to make even more horsepower to turn those things.
I will pretty much pass on anything that big.
Breaking stock axle shafts is a given, it is not if they will break, it comes down to when they will break. As they do, I just throw in some Chro-mo junk in there and call it good.
I really am not a fan of the D70, and never have been. I like the GM 14 Bolt over the D70, but end up running D70's in some of the trucks. The whole wheeling and dealing, trading this for that has got me running a couple of D70's. Oh well, they do sound cool, but I have to say, that I have only busted one 14B axle shaft, and I have several examples of broken 70 shafts.

Sneaky! yes, I am very illusive, and the trucks are top secret! Not really, most that have PM'ed me for questions know a little about this and that.
Between pops and myself, we have several of these trucks, and one bronco. All except one 75 truck has D60, 14BFF combo, or a D70 rear. Most have upgraded to chro-mo axles, and one is just about to get a set of Longfields.
All have 205's, one with a 203/205 combo. Engines range from a mild 460 (aluminum heads, and roller cam) to a 521, and a new 557. This 557 is for my newest truck. This is a 73 F100 2wd that is now a 1 ton with front leaf springs, and not coils. Probably should have run coilovers, but I got lazy, and did not want such a big truck on links.
I see linked trucks work well in the mud, but vehicle extractions, and recovery have destroyed linked trucks in my area, and I chose to use a reliable leaf spring.
None of my junk is particularly special, just have been around for a while, and evolved over time.
Time and money can create a decent pile of junk.
 
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Old Oct 8, 2008 | 03:14 PM
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We want-no DEMAND- pictures!
 
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Old Oct 8, 2008 | 03:30 PM
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there is a link on the first post.....
I just went through his photbucket album....
 
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Old Oct 8, 2008 | 09:19 PM
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75f350, I see in your gallery you said your big red truck is just painted with rustolium. Is it clearcoated? a couple of my friends have used this, with no clear coat and it comes out nice but not like that! whats your secret? Nice ride btw!
 
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Old Oct 8, 2008 | 09:44 PM
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Mine is rustoleum with clearcoat. You need the clear to make it shine, and last. I am not sure if it is just pictures or what, but 75F350s truck sure looks great.
 
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