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Old March 18th, 2013, 12:04 AM   #41
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Whats the most you have shimmed the pinion out? Once you get the coast side looking real good you can run it. But having it on one side of the tooth will make it really weak and they will chip easy
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Old March 18th, 2013, 07:59 AM   #42
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I've set up about five or six 14bolts, they are by far the easiest axle to set up. Or at least should be. The biggest issue is crushing the crush sleeve. Usually the pinion only needs a few shims, on mine the perfect set up was with no shims. With that said, your pattern is fucked, even for used gears.
When its together can you see the mesh between them at all? It looks to be barely touching.
If its meshing and you just can't get the paint to reflect that, run it.
If its not then get a new set or another used set. It looks like you have the wrong pinion or something and no amount of shims or work is going to get it right.
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Old March 18th, 2013, 02:26 PM   #43
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Quote:
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I've set up about five or six 14bolts, they are by far the easiest axle to set up. Or at least should be. The biggest issue is crushing the crush sleeve. Usually the pinion only needs a few shims, on mine the perfect set up was with no shims. With that said, your pattern is fucked, even for used gears.
When its together can you see the mesh between them at all? It looks to be barely touching.
If its meshing and you just can't get the paint to reflect that, run it.
If its not then get a new set or another used set. It looks like you have the wrong pinion or something and no amount of shims or work is going to get it right.

I'm going to try it with no shims, and look how they mesh. Its possible the pinion is wrong, but most likely the ring gear got f'd up when it was machined down.
If i don't get a good pattern i'm going to just have to chance it and run it.
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Old March 18th, 2013, 04:14 PM   #44
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I would just run Tab's. He's not using it.
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Old March 18th, 2013, 05:28 PM   #45
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Looks to me the pattern is moving twards the center line of the axle with the less shim you install.
Just as it should.
ADD MORE SHIMS!! LOTS OF THEM!!!!!!

You are not making big enough changes and going the wrong way.

Just my .02 and what do I know.
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Old March 18th, 2013, 07:16 PM   #46
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how about these?





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Old March 18th, 2013, 07:29 PM   #47
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What does the drive side look like? (the other side of the tooth)
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Old March 18th, 2013, 07:33 PM   #48
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What does the drive side look like? (the other side of the tooth)
I will have you a pic in a few minutes.
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Old March 18th, 2013, 07:42 PM   #49
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Old March 18th, 2013, 07:49 PM   #50
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Are you putting drag on the ring gear as you rotate it?

Are you rotating both ways?

How many revolutions have you turned it?

The coast looks runnable but the drive doesn't have much of a pattern. By the look of the gear you can see that it may have been run that way.
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Old March 18th, 2013, 07:54 PM   #51
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Are you putting drag on the ring gear as you rotate it?
Both axle shafts are in attached to hubs

Are you rotating both ways?
Yes

How many revolutions have you turned it?
quite a few

The coast looks runnable but the drive doesn't have much of a pattern. By the look of the gear you can see that it may have been run that way.

From what i have heard going of the coast on a set of used gears is better, have no idea how to fix the drive. any input and i will try it, I know how to get this pattern now.
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Old March 18th, 2013, 08:05 PM   #52
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I wrap my hand with an old t shirt or a lintless rag and press against the gear to give it drag when I rotate the pinion. It helps push the paint out from the contact patch. As for the pattern, I bet it is the best it is going to get by looking at the wear pattern on the drive side.
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Old March 19th, 2013, 02:19 AM   #53
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You need more add more shims to the pinion, like .055 to start with and see what it looks like. Anytime you make a pattern, you need to use a pry bar on the ring gear to make a GOOD amount of drag on it. The coast side needs to be more centered on the tooth for it to be runable. The more resistance you put on the ring gear will make the ACTUAL drive points on the gear show up better. I use a 1 foot breaker bar on the pinion and the pry bar on the ring gear to make drag. Just make sure that the backlash is at .010-.012 because its a used gear and is broke in. You will get it
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Old March 19th, 2013, 05:43 AM   #54
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more paint also
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Old March 19th, 2013, 06:00 AM   #55
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Quote:
Originally Posted by Ironman Offroad View Post
Looks to me the pattern is moving twards the center line of the axle with the less shim you install.
Just as it should.
ADD MORE SHIMS!! LOTS OF THEM!!!!!!

You are not making big enough changes and going the wrong way.

Just my .02 and what do I know.
I'm listening, just trying everything. I appreciate the help. Figured out the problem with the first patterns, should be able to lock it in now....
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Old March 19th, 2013, 06:01 AM   #56
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Quote:
Originally Posted by moparhorse View Post
You need more add more shims to the pinion, like .055 to start with and see what it looks like. Anytime you make a pattern, you need to use a pry bar on the ring gear to make a GOOD amount of drag on it. The coast side needs to be more centered on the tooth for it to be runable. The more resistance you put on the ring gear will make the ACTUAL drive points on the gear show up better. I use a 1 foot breaker bar on the pinion and the pry bar on the ring gear to make drag. Just make sure that the backlash is at .010-.012 because its a used gear and is broke in. You will get it
Ill add more tonight and get a picture, and put some more drag on it.
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Old March 19th, 2013, 10:03 AM   #57
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x whatever on the increased drag

Also it helps if the paint is warm (as instick it in the house first) vs garage temps
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Old March 19th, 2013, 05:23 PM   #58
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You are headed in the correct direction.
Good job.
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Old March 19th, 2013, 11:34 PM   #59
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Added 2 shims, a .014 and a .015. this leaves me at .039 at the pinion, last pictures were with a .010 shim.

backlash is set at .012.

ignore all the little specs all over the gears, they are paint chips. they will be cleaned off before further adjustment.



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Old March 20th, 2013, 01:10 PM   #60
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The drive side looks like its centered pretty decent, but the coast side isent to good at all. I would add another .010-.015 and put the backlash at .010. You might not get a better pattern than you have in the last pic
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