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Old 04-09-2008, 11:38 AM   #1
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Does anyone know the thread size for Lunsford Turnbuckles? Are they 4-40 or 5-40? or different?

thanks
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Old 04-09-2008, 11:59 AM   #2
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Quote:
Originally Posted by mafiaracers View Post
Does anyone know the thread size for Lunsford Turnbuckles? Are they 4-40 or 5-40? or different?

thanks
3 mm
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Last edited by theanimaleide; 04-09-2008 at 09:40 PM. Reason: i was wrong
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Old 04-09-2008, 01:42 PM   #3
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3mm....

They also have 3.5mm, 4mm, and 5mm for the big stuff...
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Old 04-09-2008, 01:47 PM   #4
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maybe I'm just that dense...I thought that the 3 or 3.5 mm had to do with the diameter of the rod...not the thread size....But I called up lunsford and they said that the 3mm or 3.5mm IS the thread size. why would they have metric threads? oh well, so I guess that's my answer. Now I have to figure out which ones I have!
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Old 04-09-2008, 01:59 PM   #5
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3mm is the common size...
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Old 04-09-2008, 02:29 PM   #6
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Metric threads are finer pitch so adjusting the camber will be more precise.

3mm is a just a tad larger then 4-40 as well. I would say the thread pitch is the best reason to go 3mm but it really does not matter a ton. You thread the plastic ball ends so they conform to what ever thread you have.
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Old 04-09-2008, 04:35 PM   #7
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Reason I ask is that I had a random thought to pre-thread my ball cups before I put them on the turn-buckles...to make them easier to adjust once on the car. I find them rather tight during adjustment. The Losi White ones are pretty tight and I have bags and bags of them. I like the JConcepts ones but the shop is out of them so I'll go with the Losi's for now. But I thought that tapping the ball cups would make it go easier.
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Old 04-09-2008, 04:56 PM   #8
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hey chris , i just chuck up an extra lundsford turnbuckle (shop sells them indaviduly ) in a cordless and tap new ones like that , install is easier and adjustment , like you said is easier , and by the way , insane pics you took at the blast , man your getting good , ray
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Old 04-09-2008, 05:05 PM   #9
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Use losi white grease or some wax (lunsford used to give you some with a tie rod set) when you thread the tie rods on. I never really had an issue with the white ones but the hard gray ones were a pain.
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Old 04-09-2008, 05:26 PM   #10
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Casper's idea of a little grease works good for making them adjust more easily.

mafia, ya sweet pics of the gas blast.
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Old 04-09-2008, 06:34 PM   #11
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Thank you for the photo compliments!

Casper, I think i'll do that wax/grease method. I have one of those ball cup tools and that sure has made life easier, but still would like easier adjustments...

Thanks!
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Old 04-09-2008, 07:51 PM   #12
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If your into archery, string wax works great.....
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Old 04-09-2008, 09:39 PM   #13
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i just put the ball cup on all the way then loosen it a few times, then it is very easy to adjust.
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Old 04-10-2008, 12:27 AM   #14
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I just went into the machine shop here on campus and put a few drops of "Tap Cutting Fluid" in each ball cup. They adjust all kinds of easy!
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Old 04-10-2008, 04:23 AM   #15
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i never really though about putting greases in them ill have to try it
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