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  #1  
Old November 8th, 2017, 11:35
dktool dktool is offline
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Leaf Spring Bushing Thought

I have found that with my laid down shackle angle combined with the length of the shackle and the overall range of motion of the shackle from full droop to full bump, the oem clevite style (Moog) bushings get twisted up and don't live a very long life.

I know poly does not offer the lateral deflection that clevite does but the opposite is also true, poly = good rotation.

So, is there any good answer besides replacing bushing frequently ?

Here is comes ........ What if, a guy was able to incorporate a Johnny Joint at the rear leaf to shackle position ??

I put on my fire suite so flame as needed.
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  #2  
Old November 8th, 2017, 11:55
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sinat01 sinat01 is offline
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Re: Leaf Spring Bushing Thought

I actually think their is a company that makes leaf springs like that. or check out boostwerks comp shackles
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  #3  
Old November 8th, 2017, 13:45
cwyman6 cwyman6 is offline
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Re: Leaf Spring Bushing Thought

I think its alca springs use a Johnny joint at the frame side.
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Old November 8th, 2017, 16:21
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Re: Leaf Spring Bushing Thought

http://www.alcanspring.com/orbit-eye.htm
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  #5  
Old November 8th, 2017, 20:42
donthelegend donthelegend is offline
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Leaf Spring Bushing Thought

Boostwerks comp shackles are the other, more recent manufacturer that uses a flex joint combined with a bushing. Quite a few people running them here, myself included. They work as advertised.

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  #6  
Old November 10th, 2017, 02:38
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Demonoid369 Demonoid369 is offline
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Leaf Spring Bushing Thought

Has anyone tried fitting standard flex joints into a pair of xj leaf springs?
I can't imagine alca is the only people to do this or try
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  #7  
Old November 10th, 2017, 11:17
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Boostwerks.com Boostwerks.com is offline
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Re: Leaf Spring Bushing Thought

Quote:
Originally Posted by Demonoid369 View Post
Has anyone tried fitting standard flex joints into a pair of xj leaf springs?
I can't imagine alca is the only people to do this or try
The problem is with the chassis side leaf mount. It isn't wide enough to allow the leaf to twist. Nothing that some custom fab wouldn't solve however.
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Old November 10th, 2017, 17:05
dktool dktool is offline
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Re: Leaf Spring Bushing Thought

To Boost Works;
Your shackle has the live joint at the frame end so does it have a poly bushing at the leaf end ?
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Old November 10th, 2017, 21:25
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Re: Leaf Spring Bushing Thought

Quote:
Originally Posted by dktool View Post
To Boost Works;
Your shackle has the live joint at the frame end so does it have a poly bushing at the leaf end ?
The bushings are in the spring eye, not the shackle, so whatever is in your spring will be what is in the spring end of the boostwerks shackle.

YOU can see here.......http://www.boostwerksengineering.com...les-_p_24.html


.
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  #10  
Old November 11th, 2017, 18:51
dktool dktool is offline
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Re: Leaf Spring Bushing Thought

Quote:
Originally Posted by dktool View Post
To Boost Works;
Your shackle has the live joint at the frame end so does it have a poly bushing at the leaf end ?
I meant to ask, what would you advise to use on the spring end ?
Seems like Poly would be the choice for the rotational advantage given that the lateral deflection is now not a factor due to having a live joint up top.
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  #11  
Old November 12th, 2017, 12:59
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Re: Leaf Spring Bushing Thought

Quote:
Originally Posted by dktool View Post
I meant to ask, what would you advise to use on the spring end ?
Seems like Poly would be the choice for the rotational advantage given that the lateral deflection is now not a factor due to having a live joint up top.
Yup, poly would be my choice for the reasons you gave. I'm running poly on both ends of my leafs.
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  #12  
Old November 12th, 2017, 17:28
trippled trippled is offline
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Re: Leaf Spring Bushing Thought

Quote:
Originally Posted by dktool View Post
I meant to ask, what would you advise to use on the spring end ?
Seems like Poly would be the choice for the rotational advantage given that the lateral deflection is now not a factor due to having a live joint up top.
I'm planning on going to poly for that reason and they can be changed much faster than having to remove and press in conventional bushings. There's not much price difference between them as well.
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