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 Post subject: loose linkpins
PostPosted: Fri Aug 06, 2010 10:03 pm 
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Location: bardstown, ky.
has anybody tried 3/4 in grade 8 bolts in place of the linkpins to keep them from loosening up. if so how did it work?


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 Post subject: Re: loose linkpins
PostPosted: Fri Aug 06, 2010 11:48 pm 
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I wonder how well say a 3/4" shoulder bolt would work?


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 Post subject: Re: loose linkpins
PostPosted: Sat Aug 07, 2010 10:46 am 
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Let me know how it works, I am always tightening my link pins

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 Post subject: Re: loose linkpins
PostPosted: Sat Aug 07, 2010 4:24 pm 
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That is kinda what I have on my Combo spindles. I have bent them twice this year.

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 Post subject: Re: loose linkpins
PostPosted: Sat Aug 07, 2010 8:31 pm 
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did you have bolts instead of linkpins and that is what you bent,or did you bend the actual spindel or the kingpin that runs vertical? i have bent linkpins in the past,i just know how strong the linkpin is compared to the grade 8 bolt. i just repleced the drivers side with bolts on my buggy so far so good ,i guess will really try it out at coal creek in a couple of weeks if the hill is as good as the last one :D :D :D


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 Post subject: Re: loose linkpins
PostPosted: Sat Aug 07, 2010 9:24 pm 
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Just the linkpins that come with the Tweed combos. They are a bolt, not sure on the grade.

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 Post subject: Re: loose linkpins
PostPosted: Sun Aug 08, 2010 12:29 pm 
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Location: Okeana, Ohio
They are not bolts, but aftermarket linkpins that have a nut on the end. They make them for stock and aftermarket arms. http://www2.cip1.com/ProductDetails.asp?ProductCode=C26%2D405%2D055

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 Post subject: Re: loose linkpins
PostPosted: Sun Aug 08, 2010 12:31 pm 
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http://tweedsdesigns.com/img/pages/Link-Pins.html

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 Post subject: Re: loose linkpins
PostPosted: Sun Aug 08, 2010 5:43 pm 
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Wonder if that first set you listed does any better? About $20 less a set.

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 Post subject: Re: loose linkpins
PostPosted: Mon Aug 09, 2010 8:41 am 
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The trick is keeping them tight! A grade 3 bolt that is snug is just about as strong as a grade 8 thats loose. Run 2 jam nuts on your link pins and KEEP THEM TIGHT and you'll be just fine :mrgreen:

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 Post subject: Re: loose linkpins
PostPosted: Mon Aug 09, 2010 2:06 pm 
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Sounds good, there is plenty of room.

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 Post subject: Re: loose linkpins
PostPosted: Mon Aug 09, 2010 9:40 pm 
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Location: bardstown, ky.
i actually welded a piece on the end of the trailing arm so i could thread the bolt through then put a jam nut on the inside,so bolt cant turn . it looks like its gonna work pretty good,this is kinda a trial run if it does i`ll weld up some new arms.


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 Post subject: Re: loose linkpins
PostPosted: Tue Aug 10, 2010 1:00 pm 
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A. Cole wrote:


His add shows them being made of Chromoly. Last I talked to Steve at Tweeds he said they were mild steel. Looks like he took my advise and went to the CM. His earlyer versions bent with a very little effort.

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 Post subject: Re: loose linkpins
PostPosted: Tue Aug 10, 2010 1:35 pm 
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I bent his quickly too! then I went to saco cromoly and broke them (bad batch) Then I went to 300m pins that were fine :mrgreen:

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 Post subject: Re: loose linkpins
PostPosted: Tue Aug 10, 2010 2:49 pm 
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RaceBugg1098 wrote:
I bent his quickly too! then I went to saco cromoly and broke them (bad batch) Then I went to 300m pins that were fine :mrgreen:


I bent the SACO Chromoly too!

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 Post subject: Re: loose linkpins
PostPosted: Tue Aug 10, 2010 5:07 pm 
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We just use grade 12 bolts, polish 'em up with a bit of emery and send 'em to have a few dozen electroless zinc plated - last longer and much smoother operation then.
And they're cheap as chips.


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 Post subject: Re: loose linkpins
PostPosted: Wed Aug 11, 2010 9:09 am 
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Location: bardstown, ky.
so you dont think the grade 8 bolts will hold up?


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 Post subject: Re: loose linkpins
PostPosted: Fri Aug 13, 2010 9:49 am 
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I race with a few guys that run 7/8 grade 8 bolts that hold up fine. Give it a shot!

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