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thehiddenproject
 Post subject: Energy Poly Bushings
PostPosted: May 4, 2018, 4:56 pm 
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Joined: December 6, 2017, 2:20 pm
Posts: 125
Location: San Jose, California
Hi Guys,

I was looking at using,

http://www.onlinemetals.com/merchant.cf ... op_cat=197

For the control arm bushing tubes, and filling them in with these

https://www.summitracing.com/parts/ens- ... /overview/

Is this a suitable combination?
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Driven5
 Post subject: Re: Energy Poly Bushings
PostPosted: May 4, 2018, 6:41 pm 
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Joined: April 26, 2008, 6:06 pm
Posts: 3268
Location: Under the weather. (Seattle)
Nope. You've got a 1.135 ID tube and a 1.265 OD bushing meant for a 1.25 ID tube. Way too much interference. That tube would be much better suited to the 1.140 OD busing, even if it's technically meant for a 1.125 ID tube. This chart should help:

Image

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C10CoryM
 Post subject: Re: Energy Poly Bushings
PostPosted: May 4, 2018, 9:51 pm 
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Joined: June 8, 2010, 8:02 pm
Posts: 621
Location: White Rock, BC, Canada
Even though it gets used often; Poly is not a great bushing material. It's sticky and cold-creeps. In a Locost type car, I would (and did) just go solid.
Cheers.

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Zac88GT
 Post subject: Re: Energy Poly Bushings
PostPosted: May 8, 2018, 9:38 am 
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Joined: July 6, 2009, 11:50 pm
Posts: 177
C10CoryM wrote:
Even though it gets used often; Poly is not a great bushing material. It's sticky and cold-creeps. In a Locost type car, I would (and did) just go solid.
Cheers.


I agree. I went with poly and I'm finding it has an incredible amount of stiction. Right now I'm trying to decide how best to fix it, and I can't decide between rubber (OEM Miata) or inserting bronze bearings inside the poly and making new sleeves kind of like these guys have done http://sadfab.com/bushingpackages.html. I would highly recommend choosing something better to start with.
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