Goodbye Long Arms... hello short arms - Page 42 - JeepForum.com

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post #616 of 731 Old 11-12-2013, 07:16 AM
rebelbowtie
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Quote:
Originally Posted by mrblaine

Stock bolt from Currie and there is a very good reason for the length.
I'll bite, what's the reason?


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post #617 of 731 Old 11-12-2013, 07:46 AM
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Originally Posted by rebelbowtie View Post
I'll bite, what's the reason?
The length is to move the grip range up into the frame side mount hole as far as possible and still have enough threads for the bolt to be tightened fully.

The grip range of a bolt is the length of the shank without threads. There is a theory that the fewer threads in the loaded area of a bolted connection, the smaller the likelihood of breaking the bolt is.

Most of the desert go fast guys buy bolts that have shanks long enough to hit both tabs on a bolted connection and then cut the excess threads off.

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post #618 of 731 Old 11-12-2013, 07:48 AM
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Quote:
Originally Posted by mrblaine

The length is to move the grip range up into the frame side mount hole as far as possible and still have enough threads for the bolt to be tightened fully.

The grip range of a bolt is the length of the shank without threads. There is a theory that the fewer threads in the loaded area of a bolted connection, the smaller the likelihood of breaking the bolt is.

Most of the desert go fast guys buy bolts that have shanks long enough to hit both tabs on a bolted connection and then cut the excess threads off.
I figured it had something to do with the grip of the bolt and not stretching the threads or something. Thanks for the explanation, this bolt comment inspired me to go back and read the beginning of the thread. Lots of knowledge there on radius arms I didn't understand before.

He's an angel dressed in oilskins; he's a saint in the "Sou'wester,"
He's a pluck as they come, or ever can;
He's a hero born and bred, but it hasn't swelled his head,
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post #619 of 731 Old 11-12-2013, 07:52 AM
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IIRC, when I clamshelled mine he said it was useless & a waste of time
It is useless and a waste of time. There are times when I indulge myself and my friends and do useless things for them that are a waste of time.

Given that I know Robert's needs and usage for this rig and know beyond a doubt that the chances of him needing or using what I did are less than zero, it's even more useless and a waste of time and tube.

Especially given that his other two front axles had the same size tubes before the clamshell and neither of them wound up bent, I know how much of a waste of time it is.

The main reason I did it? To mess with Robert.

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post #620 of 731 Old 11-12-2013, 07:54 AM
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IIRC, when I clamshelled mine he said it was useless & a waste of time
Now, if you really want to see useless and a waste of time, tell me what is different about the body mounts I used.

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post #621 of 731 Old 11-12-2013, 09:52 AM
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Quote:
Originally Posted by mrblaine View Post
Stock bolt from Currie and there is a very good reason for the length.
I know why it is the length that it is.

but it doesn't need to be.
they managed to get their control arm bolts to have minimal threads through the mount, yet they don't have 2" of extra thread you have to deal with. why they can't do that with the trackbar bolt is a mystery to me.

I would cut it down so I didn't have to deal with threading it on so long

any reason why you didn't use a locking nut?
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post #622 of 731 Old 11-12-2013, 10:33 AM
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Originally Posted by Climbit View Post
I know why it is the length that it is.

but it doesn't need to be.
Has ONLY to do with the common lengths of the shanks and I don't think anyone wants to pay for or build custom length bolts.


Quote:
they managed to get their control arm bolts to have minimal threads through the mount, yet they don't have 2" of extra thread you have to deal with. why they can't do that with the trackbar bolt is a mystery to me.

I would cut it down so I didn't have to deal with threading it on so long

any reason why you didn't use a locking nut?
I don't use the lock nut for set up. That side of the bar is the easiest to move around so I use a normal graded hex nut, tighten the crap out of it and then jam that with the lock nut. I like the extra thread for that reason.

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post #623 of 731 Old 11-12-2013, 11:04 AM
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Originally Posted by mrblaine View Post
Has ONLY to do with the common lengths of the shanks and I don't think anyone wants to pay for or build custom length bolts.
I just cut them, file the edges and chase them with the proper die.


Quote:
I don't use the lock nut for set up. That side of the bar is the easiest to move around so I use a normal graded hex nut, tighten the crap out of it and then jam that with the lock nut. I like the extra thread for that reason.
fair enough.
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post #624 of 731 Old 11-12-2013, 11:32 AM Thread Starter
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Quote:
Originally Posted by mrblaine View Post
Now, if you really want to see useless and a waste of time, tell me what is different about the body mounts I used.
LOL.....

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Originally Posted by samgm2 View Post
And yes, I am an exceptional scientist and engineer.
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post #625 of 731 Old 11-12-2013, 02:54 PM
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I just cut them, file the edges and chase them with the proper die.




fair enough.
Swing by sometime. I'll show you how to dispense with the file and die and have it work perfectly every single time and start to finish is roughly 30 seconds for a 5/8" bolt.

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post #626 of 731 Old 11-12-2013, 04:00 PM
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Originally Posted by mrblaine View Post
Now, if you really want to see useless and a waste of time, tell me what is different about the body mounts I used.
Ok i'll bite

as usual you ask a question without giving much details or pictures for ammo. I can't see the whole rubber mount & section from the angle, but obviously the washer is different. Maybe its a conical washer of some sorts to center the bolt in the mount?

I'm surprised you didn't put a skid of some sort on those raised body mounts...kinda just left the bolts hanging out in space to get hit by stuff. Maybe the JKS body mount skids are right up your alley!
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post #627 of 731 Old 11-12-2013, 04:36 PM
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Ok i'll bite

as usual you ask a question without giving much details or pictures for ammo. I can't see the whole rubber mount & section from the angle, but obviously the washer is different. Maybe its a conical washer of some sorts to center the bolt in the mount?

I'm surprised you didn't put a skid of some sort on those raised body mounts...kinda just left the bolts hanging out in space to get hit by stuff. Maybe the JKS body mount skids are right up your alley!
And the last time you saw a zinc plated body mount base was?

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post #628 of 731 Old 11-12-2013, 04:43 PM
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post #629 of 731 Old 11-12-2013, 05:31 PM
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Originally Posted by mrblaine View Post
Swing by sometime. I'll show you how to dispense with the file and die and have it work perfectly every single time and start to finish is roughly 30 seconds for a 5/8" bolt.
I've been meaning to make a trip.
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post #630 of 731 Old 11-12-2013, 05:45 PM
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Looks great Robert, congrats! I have ram envy...

http://www.jeepforum.com/forum/f9/diy-alignment-kit-steps-w-pics-2264465/
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control arms , currie , custom , fabrication , long arms , mod , modification , savvy , short arms , suspension , tj , wrangler

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