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> It's on PMs sent -GB for Trailing Arm bushings Rubber and option for Urethane, Who's interested? 4 pcs (one car) $28 a set rubber $36 Poly
maf914
post Dec 19 2019, 08:02 AM
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I'll take a set of rubber bushings. Thanks as usual.

And a set of poly if you do them. And they don't squeak! (IMG:style_emoticons/default/laugh.gif)
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soccerplyr
post Dec 19 2019, 08:56 PM
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I'll take a rubber set, if not too late.
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yellowporky
post Dec 19 2019, 10:40 PM
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I will take a set of rubber front and rear too please
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Mikey914
post Dec 22 2019, 10:15 AM
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These are finally finishing up this weekend and I'll be sending PM's out shortly. Just have a holiday party I need to get ready for today. But finally done

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Mikey914
post Dec 23 2019, 02:40 PM
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Got we finished these for a little less than we projected GB price is being reduced accordingly.


Merry Christmas to all that wanted these, Still putting together the PM with another little special for ya!
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JamesM
post Dec 23 2019, 07:20 PM
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QUOTE(Mikey914 @ Nov 19 2019, 01:05 PM) *

QUOTE(Tdskip @ Nov 19 2019, 10:52 AM) *

Poly compound is CRITICAL. Interested for sure but how will we get the right balance of compliance and firmness?

Genuine question / don’t know how to do that and haven’t tried to make bushings before.

Fortunately I have (IMG:style_emoticons/default/biggrin.gif)



My issue with poly bushings isnt with the firmness, its that none of the bushing surfaces were designed to be friction surfaces. The rubber bushings are completely immobile and bound to the control arm/chassis. All control arm movement is the result of the bushing flexing. None of the surfaces on either side of the bushing remotely resemble anything close to flat and or smooth which results in unpredictable (and thus uncomfortable) bushing movement when replacing with poly. Not to mention potential binding/chassis damage BTDT. This is why all the good solid bushings (Rebel, Elephant, etc) sleeve everything and run the bushing on the machined sleeves. I was blown away at how much more comfortable the ride in my autox car became when I replaced my front poly bushings with the Rebel Racing solid bushings despite having gone from poly to a much harder setup. The smoothness of the control arm movement seemed to make a much larger difference in ride quality (and handling) than the firmness of the bushing material.


Was talking with Eric about this exact thing the other day, but one idea I have been wanting to attempt is to run dual poly bushings instead of a single one. Basically take 2 bushing and machine the inside of one and the outside of the other so they fit together where the single bushing would normally install. This would basically move all friction surfaces to be between the machined poly bushings. My only concern at that point is if the material is strong enough at that thickness. This is something I have seen Powerflex do with a lot of their bushings (I even run some on one of my BMWs like this), they also use that to then tune the ride quality by offering varying harnesses for one of the 2 bushings.

No idea how it would turn out, but if you are going to make some polys i think its worth a shot to try it given straight single poly bushing on a 914 are crap. I speak with first hand knowledge on this as binding poly bushings were responsible for breaking one of my front control arms and tearing a crack in my chassis.
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JamesM
post Dec 23 2019, 07:24 PM
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To illustrate what i am talking about. something like this...



Attached Image
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Mikey914
post Dec 24 2019, 05:38 PM
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That's a 911 bushing, they are different. I'm hesitant to redesign this with just a change of a bushing. The factory spent a lot of time and energy making these, and there wasn't a superseded part. That means they were the best balance of performance and economy for at least a daily driver. We can make a shaft that utilizes a bearing to allow rotation. Could use either poly or natural rubber. Considering the OEM rubber lasted 30 years + the difference between the 2 is nominal, again if we can get at least 25 sets, I'll gladly do them.

Do look for the bearing option for the shafts . I'll delay this till next week as we will be running them shortly. So for non binding shaft please indicate your interest we will run 10 sets like this.

Mark
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yellowporky
post Dec 25 2019, 08:50 PM
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I would be interested in the non binding set
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gandalf_025
post Dec 26 2019, 11:13 AM
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I'm in for a set of rubber if this is still available..
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914sgofast2
post Dec 26 2019, 01:16 PM
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QUOTE(Mikey914 @ Nov 18 2019, 02:08 PM) *

We are in the process of doing the A arm bushings in rubber
We can easily do these up in a polyurethane at the same time, just have to do enough to pay for the materials and set up would be looking at 25 sets to do the Poly

The GB would be for a set of 4 (enough for 1car)

For $28 in rubber

and $36 in poly

To get the pricing right we need 40 takers in rubber and 25 in Poly


We've been in testing on these for some time and had made a couple variations.
This is what they look like.

SO Who's in?

I will take a set of the rubber style bushings.
Mike D.
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Porschef
post Dec 31 2019, 10:19 AM
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Well here it is the 31st and I haven’t placed my order as yet.

I’d like to replace all the suspension bushings on the car, if you’ve not gotten enough participation in the poly group then rubber is fine. Actually, I’d go with rubber.

I’m in the middle of an emergency hot water heater replacement, so pardon my not taking the time to figure this out

Thanks,

Joe
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Mikey914
post Dec 31 2019, 12:03 PM
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No problem,
With everything going on I will send this next year (tomorrow).

I'll also extend the plug GB so those that were holding off can get at the same time.

Also, we are giving a special price for all the takers of the rear bushings on the A arm bushings so it will make it a really great deal.
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TonyA
post Dec 31 2019, 01:33 PM
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Thanks looking forward to you PM on this. Hey do you have all the sway bar bushings I could not find on your website
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Montreal914
post Dec 31 2019, 06:19 PM
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If there is still time for the rubber bushing group buy, I would be in!
Thank you and happy new year (IMG:style_emoticons/default/beerchug.gif)
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Mikey914
post Dec 31 2019, 06:47 PM
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Yes, there is. I'll PM when I can get some time.
Thanks all and Happy New Year!
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relentless
post Dec 31 2019, 08:01 PM
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I'm in for rubber if it's still ok. Happy New Year!

What's the special on the a-arms?
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Mark Henry
post Jan 1 2020, 11:56 AM
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QUOTE(Mikey914 @ Dec 11 2019, 01:25 AM) *

QUOTE(Mark Henry @ Dec 9 2019, 10:18 AM) *

I see you haven't shipped my "Black Friday" order yet, can you hold it till these are ready?

I'll take a poly set, but if you don't have the numbers I'll take the OE set.

I did get ahold of Scott and we did get it held.
Mark

I guess you didn't hold it for the bushings, I just got a shipping notice.
So I guess I'm out till I actually need to do this job.
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Literati914
post Jan 5 2020, 06:40 PM
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QUOTE(Literati914 @ Nov 20 2019, 09:01 PM) *

1 Rubber Set plz.
QUOTE(Mikey914 @ Dec 22 2019, 10:15 AM) *

These are finally finishing up this weekend and I'll be sending PM's out shortly. Just have a holiday party I need to get ready for today. But finally done

(IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif)
QUOTE(Mikey914 @ Dec 31 2019, 06:47 PM) *

Yes, there is. I'll PM when I can get some time.
Thanks all and Happy New Year!



I never got a PM on these, have they already been sent?
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injunmort
post Jan 5 2020, 07:52 PM
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I didn't get a pm either. hey joe, maybe the focus of the first tech session?
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