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Quick upper control arms question
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Dmuldoon
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Joined: July 10, 2019
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Location: Huntington Beach ca
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PostPosted: Wed Sep 11, 2019 8:40 pm    Post subject: Re: Quick upper control arms question Reply with quote

jsturtlebuggy wrote:
Here are pictures of where I put set screws in the beam to keep bushings from spinning.
I also installed the zerk fittings on the back side of beam. This was something that was done on the racing beams sold years ago to protect them from getting beat up by rocks.

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The set screws are a little angle up so rocks will have less chance of smashing them.
On your setup I would do two set screws to hold them in place.

Went ahead and drilled and tapped the beam. Not so much inline with the Zerg fitting but it does hold the bushing in while I hit the arms with the mallet. Hopefully the not so inline with the Zerg doesn’t create a problem. I did where it was at ease to use my tap set. Here are some pictures.
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jsturtlebuggy
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Location: Fair Oaks/Orangevale, CA
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PostPosted: Thu Sep 12, 2019 8:54 am    Post subject: Re: Quick upper control arms question Reply with quote

Looks good with were the set screws are located.
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Joseph
Fair Oaks/Orangevale, CA
Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960
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Dmuldoon
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PostPosted: Thu Sep 12, 2019 9:35 am    Post subject: Re: Quick upper control arms question Reply with quote

My question to you is did you drill and tap the bushing as well. And drive the set screw through the bushing till it hit the arm post and back out a half turn and set the lock bolt on the set screw down so it doesn’t move? I tapped one side of beam at a spot so if necessary I can tap the other and it will be inline.
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jsturtlebuggy
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PostPosted: Thu Sep 12, 2019 1:00 pm    Post subject: Re: Quick upper control arms question Reply with quote

Yes you have to drill through the bushings for set screw so it does not move.
You also have to drill the bushings for the zerk fittings too.

And most of the time with the Delrin bushings you have to ream them to fit the trailing arms.
The strongest and long wearing are the the grey Delrin one like KarTek sells.
The white ones are great and last along time in a play buggy.
And I do recommend removing trailing arms before drilling and tapping.
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Joseph
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Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960
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Dmuldoon
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PostPosted: Thu Sep 12, 2019 9:16 pm    Post subject: Re: Quick upper control arms question Reply with quote

Thanks bud I handled it. Tapped through beam and bushing. Went with longer set screws so I could use lock nuts. And pretty finished it up tonight. Will put the rest in ASAP. I appreciate your help. Here’s some photos of the bushing mod.
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PhillipM
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PostPosted: Fri Sep 13, 2019 3:01 am    Post subject: Re: Quick upper control arms question Reply with quote

I never bothered with set screws, I always just make the bushes a good knock-in fit into the beam and then ream to suit the arms.
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