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Old 09-22-2011, 03:58 PM   #726 (permalink)
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Quote:
Originally Posted by 85blue4runner View Post
First off


Im not against a D80 converted into a steering axle using Rockwell knuckles and joints, just kicking around ideas, Is there a better joint? Are the 30-40 year old joints still holding up? Are they easy to find in NOS or new production form, etc...

Yep, they are available everyday, brand new. AND Ouverson makes 300M Rockwell u-joint
http://www.ouversonusa.com/ujoints.html



I do realise that the RCVs being broken are D60 sized and these are the same CVs being used in the Rock and hybrid axles. My "assumption" was the new design and the 300M would prove sufficient for strength, but its obviously not. So, RCV, Steve, Bobby or someone needs to make a 1550 size "birfield" from 300M. Then you would have beefy center section (D80 or Jana78) with custom knuckles and two smooth turning almost unbreakable steering CVs.

They do make them, but they are $$$$, check out the "Chupacabra for the 9toebandtio" thread
http://www.pirate4x4.com/forum/showp...&postcount=108
Pretty sure they were $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$x2


On another note, reading back through the thread for something and found this on another site. Seems like it could be a good match for a 9"/D50/D60 center section:

The GM chassis Tugs used ZF APL-345b planetary axles with a 22:1 ratio (6:1 planetary and 3.6:1 ring gear) Most had hydraulic steering and built in wet brakes. There is apparently an "A" version that is 11:1 final drive. IMO, the 22:1 is preferred, as you could run 1:1 transfer case or eliminate the case altogether, as the 22:1 without a t-case would be the equivalent of running a 4.3 Atlas and 5.10 ring gear.

Planetary hubs are less readily available, expensive, not made for high speed, and require a lot of power to turn. That's one reason to get rid of the rockwell center, less gears, less parasitic loss.

Corey Young was working on something similar, maybe he will chime in with an update...
There ya go^^

Last edited by TBItoy; 09-22-2011 at 04:05 PM.
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Old 09-22-2011, 04:28 PM   #727 (permalink)
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How do planets need more power to turn? I know they eat up a good percentage of power through parasitic loss like any gears turning. But it seems like most trucks/buggies I see with planets are running relatively low power. Iniviate ran a well worn stock 300 hp 6.0 in his with 72" R2's and 23:1 ratio. Have seen others doing the same with power in the 200 range. I think there was a little buggy on here running 48's with not much more than 100 hp.

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Old 09-22-2011, 04:34 PM   #728 (permalink)
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Quote:
Originally Posted by lurchseesu View Post
How do planets need more power to turn? I know they eat up a good percentage of power through parasitic loss like any gears turning. But it seems like most trucks/buggies I see with planets are running relatively low power. Iniviate ran a well worn stock 300 hp 6.0 in his with 72" R2's and 23:1 ratio. Have seen others doing the same with power in the 200 range. I think there was a little buggy on here running 46's with not much more than 100 hp.
You and he are saying the same thing.

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Old 09-22-2011, 04:41 PM   #729 (permalink)
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Ah, thought he was saying something to the tune of you needing monster truck-like power (ok, a bit of an exaggeration) to make them worthwhile. Or something like that. Guess I misread.

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Old 09-22-2011, 05:53 PM   #730 (permalink)
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Originally Posted by lurchseesu View Post
How do planets need more power to turn? I know they eat up a good percentage of power through parasitic loss like any gears turning. But it seems like most trucks/buggies I see with planets are running relatively low power. Iniviate ran a well worn stock 300 hp 6.0 in his with 72" R2's and 23:1 ratio. Have seen others doing the same with power in the 200 range. I think there was a little buggy on here running 48's with not much more than 100 hp.
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You and he are saying the same thing.

J. J.
Yep, that's exactly what I meant. Most of the planteries I've seen are coarse gears for heavy equipment
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Old 09-23-2011, 05:09 AM   #731 (permalink)
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i found and bought brand new military 2.5 joints. ouverson does sell his violater joints that no one has ever broken.
ouverson offers a d80 spool to accept his 2" shafts(there is not enough meat to brouch standered spool)
using the stock closed knuckles was all about cost with me(2k per corner x 4=8000 in knuckles alone). i love the look of ouversons knuckles and maybe one day i can afford them
there are people in this area running RCVs(4340 and 300m) that are breaking every ride(TC gets a 300m shaft every weekend he rides). RCV uses the same bell for rocks as they do for d60, so this does not seem like an upgrade to me.
i would love to hear from Scott Morris(attn. One Big Zuk) about how long he has had his together and would like to see pics of his setup. i assume the reason he is running 1 3/4 inners is due to running arbs?
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Old 09-23-2011, 09:30 AM   #732 (permalink)
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http://www.sunfireoffroad.com/ there is no pics of his axles on there. when he did it years ago he had about 4 inch of stock rock tube then went to round tube. when he put the new bling on he left the stock square and had randy make the inner c fit it. said he just used a line up bar. As far as i know 4+ years he run koh stuff now and has had the axles over 100mph for long rips in the desert and has had no problems. broke the old shafts at ttc it was a double spline with a yoke like the old sunray stuff that ctm made for him he broke the yoke not the shaft. yes 1 3/4 for arb.
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Old 11-04-2011, 10:43 AM   #733 (permalink)
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Just got some info I thought would be good to jot down. The truck was getting brakes installed.


00' F-550 w/ 7.3 diesel (our service truck)
36 spline
1.840 Major
1.735 Minor

Big bearing ID 2.810
Small bearing ID 2.500

Spindle bore 1.950
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Old 11-04-2011, 10:46 AM   #734 (permalink)
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That is a Dana135, correct?

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Old 11-04-2011, 10:50 AM   #735 (permalink)
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I'm not sure. How can I tell?
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Old 11-04-2011, 10:52 AM   #736 (permalink)
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I don't know. That's what is supposed to be in it. I was just asking for clarification.

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Old 11-04-2011, 06:36 PM   #737 (permalink)
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Sure looks like a rockwell F106 housing to me. Dana 135=13.5" ring gear.
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Old 11-04-2011, 06:43 PM   #738 (permalink)
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This is what I was going by:

http://en.wikipedia.org/wiki/Ford_Su...ear_suspension

"The rear suspension on F-450 trucks used Dana 80 axles while F-550 models used a Dana 135 until 2005 models. 2005-2007 models use a Dana S 110 axle."

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Old 11-04-2011, 07:25 PM   #739 (permalink)
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A year 2000 F-550 would have a D135 rear, changed as noted above to an S110 later with a similar GAWR, so it was not a downgrade.

Since this is a thread about steering axles, you should delete your post JJ

A D135/S135 is a MASSIVE axle, it has square tubes at least as big as a 2.5T rockwell, but it front loads like a yota diff. Not sure that its a candidate for a hybrid axle with its size (IMO)

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Old 11-04-2011, 07:34 PM   #740 (permalink)
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Huh? I was just trying to clarify what k5runner was discussing.

But if an F102 is up for discussion I think a 110 & 135 could be also.

I've been collecting d80's and cheap d80 gears since this thread began. I now have 3 80's and 2 new sets of 5.38's for them. I just need some rock housings to chop apart and I will be well on my way to some hybrids.

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Old 11-18-2011, 08:36 AM   #741 (permalink)
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The guys at work are changing the rear hubs on one of our dump trucks, it's a F-650 with 10-lug 22.5's. So I got some #'s. Just for comparison.

Spline count 39
Spline Major ~1.980
Spline Minor ~1.885
Spindle bore 2.065
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Old 11-18-2011, 11:03 AM   #742 (permalink)
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couple ???? for those tha have done 14 bolt rock hybrid, are you useing a spool of some sort to make the 16 spline shafts work.
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Old 11-18-2011, 11:04 AM   #743 (permalink)
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couple ???? for those tha have done 14 bolt rock hybrid, are you useing a spool of some sort to make the 16 spline shafts work.
They are just welding rockwell side gears into a 14-bolt carrier.

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Old 11-18-2011, 11:06 AM   #744 (permalink)
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thanks JJ thats kinda what I thought. Seems this may be the best bang for your buck axle.
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Old 11-18-2011, 11:13 AM   #745 (permalink)
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It may have been earlier in this thread or not, I don't remember. But blacksheep10 did one that way using 2 short-side shafts on a 14-bolt steer axle and I think he said the pinion is pretty much centered and the width was about 69". You may want to PM him or something.

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Old 11-18-2011, 03:33 PM   #746 (permalink)
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i wonder if you could use to stubshafts on the short side and a long shaft on the other to get an offset front??? anyone looked at this?? anybody running a 14/rock for a front axle??
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Old 11-18-2011, 05:39 PM   #747 (permalink)
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i wonder if you could use to stubshafts on the short side and a long shaft on the other to get an offset front??? anyone looked at this?? anybody running a 14/rock for a front axle??
this won't work if you want a standard 69" wideth. i've tried
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Old 11-18-2011, 07:36 PM   #748 (permalink)
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this won't work if you want a standard 69" wideth. i've tried

ive not had a chance to look at it, what width did you end up with???

seams like the way you did your hubs, you would have a little more leway on WMS.

Gomer I really liked the way you did your inner cs, I bored mine almost the same on my rock houseing. what did you decide to use for seals??
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Old 11-19-2011, 05:17 AM   #749 (permalink)
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i am going with a 70" wideth. still working on my front, was trying to find out what axles to use before i set my chunk. the long side is going to be longer than stock rock unless you center the chunk. a buddy of mine(HeMan machine) is going to build my axles(1 3/4) and he is leaving them stepped up so i can run a d60 style seal.
my rear weighed 300lb even with no axles or drive flanges and has the same clearance as a d70(6" from center of tube to bottom). i am doing something a little different on my front and should get it lighter(wish my buddy could have talked me into it on my front)
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Old 11-19-2011, 05:22 AM   #750 (permalink)
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Randy o can make shafts to go in a stock 14 bolt spline. It would add some cost but still a cheap axle if you used the rest of the rocks stock parts. I would put money on us you see a set with 40 spline inners and 2inch outers built soon.
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