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Old 04-09-2012, 02:49 PM   #626 (permalink)
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Originally Posted by donny baker View Post
it's probably here somewhere but thats alot of pages to look through so i will ask. What is one of these axles worth? I got one from a friend of mine out of a '69 chevy that i'm not going to do anything with that i want to get rid of but don't know what its worth.

$0.53
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Old 04-10-2012, 02:57 PM   #627 (permalink)
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It's probably here somewhere but thats alot of pages to look through so I will ask. What is one of these Axles worth? I got one from a friend of mine out of a '69 Chevy that I'm not going to do anything with that I want to get rid of but don't know what its worth.

$89.01 according to pullapart.

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Old 04-10-2012, 03:20 PM   #628 (permalink)
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$50.00 on Craigslist from the guy down the street.











Too late though, I just loaded it up in my truck....
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Old 04-10-2012, 05:34 PM   #629 (permalink)
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$50.00 on Craigslist from the guy down the street.











Too late though, I just loaded it up in my truck....
I allready pulled the No spin and 5.14's

Jason.
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Old 04-15-2012, 08:52 PM   #630 (permalink)
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Not sure if this has already been posted, but I found this while looking through Northern Drivetrain's website.....

http://www.northerndrivetrain.com/ca...aton_h072.html

1410 and 1480 yokes for the HO72/52, looks like they only have 1 of the 1410 yokes in stock right now.
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Old 04-16-2012, 08:29 AM   #631 (permalink)
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Not sure if this has already been posted, but I found this while looking through Northern Drivetrain's website.....

http://www.northerndrivetrain.com/ca...aton_h072.html

1410 and 1480 yokes for the HO72/52, looks like they only have 1 of the 1410 yokes in stock right now.
Just a tidbit of info..... The 1410 companion flange style yokes from the Korean war era 2 1/2 ton GMC trucks are WAY stouter and bolt on to the HO 52/72. The tin splash shield needs modification on certain combo's, but these yokes are still pretty easy to find. I bought the one on the air locked HO72 shown on this thread from Boyce equipment, and it was pretty cheap.

If you are going to step up to 1410 joints, why mess around with crappy u-bolts and weak cast iron yokes? A 1350 series companion flange style setup will take more abuse than a 1410 series u-bolt cast iron yoke setup
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Old 04-28-2012, 08:52 PM   #632 (permalink)
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Need Ho52 4.57 gears.
Thanks
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Old 04-28-2012, 09:04 PM   #633 (permalink)
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Ho52 gears

Looking for HO52. 4.57 gear set. Thanks.
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Old 04-28-2012, 10:38 PM   #634 (permalink)
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What, you wait 12 minutes and, having gotten no reply, you post up again?
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Old 04-29-2012, 12:21 AM   #635 (permalink)
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Need Ho52 4.57 gears.
Thanks
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Looking for HO52. 4.57 gear set. Thanks.
Bump for HO52 4.57 gear sets.
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Old 04-29-2012, 10:53 AM   #636 (permalink)
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Looking for HO52. 4.57 gear set. Thanks.

I've got a set in a flat rate box ready to ship. Drop me a pm.

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Bump for HO52 4.57 gear sets.
Come on man. A lot of folks get an email when this thread gets hit. Reading an email for a post about nothing is just obnoxious.
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Old 04-29-2012, 02:46 PM   #637 (permalink)
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Come on man. A lot of folks get an email when this thread gets hit. Reading an email for a post about nothing is just obnoxious.
x2, too much chit chat in tech right now


Something I've been wondering:


Super14 is a drop out third, so is is the h072 - what is their size comparison? Will these new advancements in locker compatibility allow us to run bigger axles and lockers? I want to run 40 spline or big 36 spline stuff in a h072. Problem areas are the carrier bearing material and the bearings themselves, the hubs, etc. Big 36 spline stuff might be completely out of the question and it's more possible that we'd have to use a spool.

Just curious what everyone thinks of this...I'm planning on building 1 tons in the next 12-18 months and I want a h072 for the rear axle. My TJ will also get a v8 swap at the same time so I'm not sure the standard 30 spline stuff will stand up to catching traction with 350-400hp and 40s.
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Old 04-30-2012, 08:33 AM   #638 (permalink)
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gtxracer, are you new to this thread? All of the 14 bolt size comparison has been well covered in detail in the early part of this thread. It also appears to me that you might be confusing a 14 bolt 30 spline with a Dana 44 sized shaft, when the two are not even close to the same thing. A stock 30 spline 14 bolt shaft is really about the same size as a 35 spline Dana 60 upgrade. The 40 spline stuff is going to require new spindles, maybe hubs from the look of it, etc. At that point, swapping spindles, shafts, hubs, carrier, bearings, etc. you might as well build a super 14 since you're not really saving much of anything from the Eaton to begin with. As far as I'm concerned, the super 14 is just a redesign back towards the HO72 precursor to the 14 anyway, but most people are using standard 14 bolt shafts and such. A stock eaton with stock shafts should easily hold up to a light TJ running that kind of power, much less the more current 14 bolt shafts and spiders/locker inside one. They're in many much heavier rigs running more power than that without issue. A little more time reading this thread would have told you that.
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Old 04-30-2012, 09:02 AM   #639 (permalink)
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gtxracer, are you new to this thread? All of the 14 bolt size comparison has been well covered in detail in the early part of this thread. It also appears to me that you might be confusing a 14 bolt 30 spline with a Dana 44 sized shaft, when the two are not even close to the same thing. A stock 30 spline 14 bolt shaft is really about the same size as a 35 spline Dana 60 upgrade. The 40 spline stuff is going to require new spindles, maybe hubs from the look of it, etc. At that point, swapping spindles, shafts, hubs, carrier, bearings, etc. you might as well build a super 14 since you're not really saving much of anything from the Eaton to begin with. As far as I'm concerned, the super 14 is just a redesign back towards the HO72 precursor to the 14 anyway, but most people are using standard 14 bolt shafts and such. A stock eaton with stock shafts should easily hold up to a light TJ running that kind of power, much less the more current 14 bolt shafts and spiders/locker inside one. They're in many much heavier rigs running more power than that without issue. A little more time reading this thread would have told you that.
You didn't answer any of my questions, only pointed out the obvious assumimg I don't know the difference and basically trying to tell me I should be happy with 30 spline yet not even listening to what I want to do. If you're not going to answer my questions then fawk off.
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Old 04-30-2012, 10:14 AM   #640 (permalink)
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At that point, swapping spindles, shafts, hubs, carrier, bearings, etc. you might as well build a super 14 since you're not really saving much of anything from the Eaton to begin with.
How bout money? A ready to run S14 is 6k. A housing by itself is about 800. A drop out by itself is 1600. A basic Junkyard HO72 is less than 100 bucks before you start swapping parts.

I'm definitely interested in what it would take to build a somewhat blinged 40 spline HO72. If the 40's he's talking are stickies, than he's definitely pushing the limits of stock 30 spline 14b shafts.
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Old 05-01-2012, 11:24 AM   #641 (permalink)
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GTX,

I've got both a S14 and a H072 down here and comparing the two 3rds next to each other, the Super 14 is just slight shorter than the H072. You could do a shave job on the H072 and get some clearance though.



As far as 30 spline vs. 40 spline vs. 36 spline?

First off keep in mind that you cannot get 40 spline into the OE spindle, not enough meat, so you would need to do a spindle & hub swap to go up to 40 spline. About $1400.00 depending on components chosen.

Depending on tire size, the 1.550" 14 bolt 30 spline would hold up to most usage unless you plan on going bigger than 40"s and/or big power.

You can get a 40 spline into a 14 bolt ARB with some machine and EDM work, so as long as 1951Rover doesn't mod the bearing journal too much, 40 spline would be easy to get into the H072.

You cannot get a 36 spline into the ARB, the bearing journal wall would be way too thin as would the spigot on the back of the side gears. So a custom spool would be the way to go on this and then you would need to go to a spindle and hub combo that would allow the 2.312" 36 spline shaft through it. Now you are into the $2500.00 range to get that big.
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Old 05-01-2012, 10:10 PM   #642 (permalink)
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Thank you Tim, that is what I wanted to know. I will run regular 30 spline 14 bolt stuff in an Eaton then upgrade when I need it. I would like to see someone make a h072 housing Might have to do that myself
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Old 05-02-2012, 10:50 AM   #643 (permalink)
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I would like to see someone make a h072 housing Might have to do that myself

Do it!
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Old 05-02-2012, 11:03 AM   #644 (permalink)
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If anyone has measurements it would make it a LOT easier to make the CAD drawings. The only real problem is axle seals because some people will want to use 30 spline, others 40 spline, and a few big 36 spline. I supposed those could be worked out at the end of the fab process. So if anyone has the pattern on the third member, the proposed axle tube size, the depth of the ring gear from the face of the third member, and any other crucial measurements I can draw it up fairly quickly.

Otherwise I have to wait until I have one of these in my shop and I have time to break it down and measure.
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Old 05-03-2012, 01:41 PM   #645 (permalink)
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drew this up in my last autocad class today...needs a lot of work but at least this gives a general idea. It would be easier to draw everything in 2D and then print it out and construct it from paper or cardboard and work from there. Obviously that would be for a small run (like 1 or 2) of these housings, otherwise it would need a lot more work and R&D.
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Old 05-04-2012, 10:56 PM   #646 (permalink)
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Not to make a shameless plug for my build thread, but I'm building an HO72/60 front axle, just finished up with the housing and inner shafts, thought you guys might like to see this....

http://www.pirate4x4.com/forum/showp...9&postcount=32
http://www.pirate4x4.com/forum/showp...7&postcount=33
http://www.pirate4x4.com/forum/showp...4&postcount=43



And to TechTim and gtxracer, I just drew up the 3rd/diff cover bolt pattern today and cut some rings for a heavy duty cover on the PlasmaCAM where I work, the holes line up great for being plasma cut, if you want I can send you guys a .dxf file with the dimensioned drawing of it to check for accuracy and for use in making a custom housing/drawing of a custom housing, if anything it's a good starting point for the pattern since it came out dead on when cut on a PlasmaCAM.

EDIT: For the depth of ring gear from the face of the 3rd dimension, I can figure that one out for you pretty easily if you still need that dimension. Factory axle tube size is 3 1/4'' x 5/16'' wall, I would say at least thicker wall tubes unless you went to larger diameter tubes.

3rd and cover mounting flanges on the housing are 12.375'' OD x 10.375'' ID, I'd have to check my housing again to see where and how deep the notches are for ring gear clearance.
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Old 05-04-2012, 11:09 PM   #647 (permalink)
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63GMCKid - That would be awesome, I'm PMing you my email. Also, that front axle is great work! You've nearly convinced me to ditch my front 9 build and take a swing at this instead. You've got my attention!
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Old 05-04-2012, 11:41 PM   #648 (permalink)
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63GMCKid - That would be awesome, I'm PMing you my email. Also, that front axle is great work! You've nearly convinced me to ditch my front 9 build and take a swing at this instead. You've got my attention!

Email sent. And thanks! I say go for it, strength vs. money I think the HO72 wins over the 9'', and just how many people can say they have an HO72/60 front axle? Myself and 420willys are the only 2 that I know of so far aside from the old Napco conversions. Strong, unique, and fairly cheap.

Off topic, but you wouldn't happen to be the same gtxracer from the RC-Monster forums would you?
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Old 05-05-2012, 05:35 AM   #649 (permalink)
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Myself and 420willys are the only 2 that I know of so far .
And once I gte the 4.3 motor swap done for my dad in his willys I'm getting back into full HO72 steering mode, this is how it sits now.



I screwed up the long side, its to long for the OEM shafts I wanted to use and I'm having bolth side's of the carriers machined to get the factory 60 shafts in there.

I'm hoping buy early summer to have this front ( well for me rear steer HO ) axle done.

Jason.
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Old 05-05-2012, 08:55 PM   #650 (permalink)
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I have an entire 4.57 axle I would sell. New bearings, seals, brakes, wheel studs, nuts, etc. etc.

make me a reasonable offer.

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