| [ Total Views: 1104 | Total Replies: 17 | Thread Id: 97402 ] |
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 vlad01
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| posted on June 13th, 2012 at 07:58 PM |
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someone had the same idea as I did.
Couldn't believe it when I saw these.
I had pretty much the same idea when I was thinking about replacement spring plate bushes and the problem associated with them.
eg. rubber is OEM isn't that good for performance although they do work, polyurethane is just stupid for spring plate bushes as it doesn't allow
them to work by their intended design.
So I was thinking we need a metal bearing and poly/rubber hybrid. Metal bush or bearing for the low friction squeak free rotation and poly for
rigidity yet giving enough for the flex in the suspension movements.
well look at these! lol
found these why looking at a blog site for some type 4 powered 912 and a some type 3s also.
here is the site I found.
http://www.elephantracing.com/index.html
Don't know if any of these would fit vw but I am guessing the early 911 or 944 might fit on at least one of the bushes?
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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vlad01
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| posted on June 13th, 2012 at 08:35 PM |
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woops, wrong section, i though I was in general.
can a mod move this please to either general or the tech section.
Thanks.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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vlad01
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| posted on June 13th, 2012 at 09:01 PM |
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cheers!
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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waveman1500
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| posted on June 14th, 2012 at 02:13 PM |
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They look nice, but the original rubber type have always worked well enough for me.
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 matberry
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| posted on June 14th, 2012 at 02:24 PM |
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I like the JCL as if your going to have the spring plate bushed it may as well be fully supported. These would be a better wearing unit being fully
machined on the contact surfaces if they stay in place that is.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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vlad01
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| posted on June 14th, 2012 at 02:50 PM |
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| Quote: | Originally
posted by matberry
I like the JCL as if your going to have the spring plate bushed it may as well be fully supported. These would be a better wearing unit being fully
machined on the contact surfaces if they stay in place that is.
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it works and these are well proven with Porsche enthusiasts and racers.
The spring plate shafts would be better machined and made a press fit for the races I would think. The race is there for the thrust face otherwise
it wouldn't work properly and wear prematurely.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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vlad01
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| posted on June 14th, 2012 at 02:53 PM |
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| Quote: | Originally
posted by waveman1500
They look nice, but the original rubber type have always worked well enough for me.
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alright for stock car, but doesn't even com close to how well "proper" poly bushes work.
71 notchback,
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matberry
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| posted on June 14th, 2012 at 06:53 PM |
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These work, and although you cant see in this pic, they have a thrust surface as well.
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Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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vlad01
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| posted on June 14th, 2012 at 10:48 PM |
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no. i don't think you're getting the point.
Can't be solid metal, yet needs to turn easy and have give like rubber but more dimensionally stable that stock rubber.
See poly does not have the same sheer properties as rubber which spring plates rely on for their function. At the same time poly has far superior
compression and overall dimensional stability and that is key to maintaining suspension geometry under high load thus greatly improving handling and
vehicle stability under all conditions.
The problem is you can't have poly without loosing the proper sheer like action needed for the spring plates to rotate in place. You also can't
have sold metal bearing as you need some give for noise dampening, normal twisting and non lineal movements of the spring plate shaft. Otherwise the
ride with be rattly and hard as all f**k and the bearing will wear very fast from the hard pounding vibrations and shock loads.
With these hybrid bushes, you have flexibility and firm support via the poly outer bushing and free rotating low friction long life bronze bearing.
this is effectively taking the best of poly and rubber and making it better as one and adding extra serviceability as well.
I would be very reluctant to you those jaycee plates, they looks like an after thought
71 notchback,
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matberry
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| posted on June 15th, 2012 at 08:46 AM |
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I think your missing the point, The spring plate takes out the non rotational forces, the turning moment is all that needs to be considered. It's the
same thing as the JC items, just more complicated manufacture with the urethane complicating things (to me making it not as effective).....my 2c
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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vlad01
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| posted on June 15th, 2012 at 09:49 AM |
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71 notchback,
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66deluxe
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| posted on June 15th, 2012 at 09:53 AM |
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I will take the jaycee ones only cause they came with the ghia when i got it. 
This is my Volkswagen, there are many like it, but this one is mine. Without me my Volkswagen is useless, without my Volkswagen, I am useless.
61 Karmann Ghia 2110cc type1 w Los Panchito's
66 Deluxe Beetle 2270 type 4
10 Subaru WRX Impreza
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vassy66T1
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| posted on June 15th, 2012 at 10:44 AM |
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Please share with us how you have gained your absolute wealth of knowledge Vlad
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matberry
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| posted on June 15th, 2012 at 11:05 AM |
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I don't have a hit you on the head emoticon......  . How can I compete? I
 U
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
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empi
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| posted on June 15th, 2012 at 11:08 AM |
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"If at first you don't succeed, skydiving is not for you." - Anonymous  |
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RISKY4LIFE
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| posted on June 15th, 2012 at 05:42 PM |
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 lmao matt
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hellbugged
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| posted on June 15th, 2012 at 09:10 PM |
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h
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| posted on June 16th, 2012 at 09:53 PM |
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| Quote: | Originally
posted by vlad01
no. i don't think you're getting the point.
Can't be solid metal, yet needs to turn easy and have give like rubber but more dimensionally stable that stock rubber.
See poly does not have the same sheer properties as rubber which spring plates rely on for their function. At the same time poly has far superior
compression and overall dimensional stability and that is key to maintaining suspension geometry under high load thus greatly improving handling and
vehicle stability under all conditions.
The problem is you can't have poly without loosing the proper sheer like action needed for the spring plates to rotate in place. You also can't
have sold metal bearing as you need some give for noise dampening, normal twisting and non lineal movements of the spring plate shaft. Otherwise the
ride with be rattly and hard as all f**k and the bearing will wear very fast from the hard pounding vibrations and shock loads.
With these hybrid bushes, you have flexibility and firm support via the poly outer bushing and free rotating low friction long life bronze bearing.
this is effectively taking the best of poly and rubber and making it better as one and adding extra serviceability as well.
I would be very reluctant to you those jaycee plates, they looks like an after thought
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wow I have learnt so much.. thanks
but wait is there more??
I'm just wondering if you get a set of steak knives when you purchase a full set  
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