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Rubber cone VS Coil spring conversion
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Author:  JAK355 [ Tue Mar 17, 2009 9:19 pm ]
Post subject:  Rubber cone VS Coil spring conversion
Anyone have any info or experience on this conversion. Is it worth the money over the rubber cone type?
Im setting up for Tarmac racing and looking to upgrade from the sagged 850 cones.
Car is currently running Koni adjustable(yellows) and im looking for an upgrade from here.
Thanks for any help in advance
Author:  craig goss [ Tue Mar 17, 2009 11:41 pm ]
Post subject: 
I was looking into doing this conversion. I saw the price around $700 for the springs. I went to local spring companies which could make them cheaper but still the rubber cones work well and have worked well through out the whole mini's rally and racing career. After looking into it the money spent really could be used in better ways.

The good thing about the rubber is when it is compressed it becomes harder (creates more resistance) which is really what you want! i think.

As long as you have good rubber cones then you would be fine.

Thats my opion anyay.
Author:  albino235 [ Wed Mar 18, 2009 7:32 am ]
Post subject: 
craig goss wrote:
The good thing about the rubber is when it is compressed it becomes harder (creates more resistance) which is really what you want! i think.

As long as you have good rubber cones then you would be fine.


This is correct the coil springs are single rate, whereas the shape of the cone and the trumpet turn the rubber cone into a differing rate spring. If you want to change the spring rates changing to a coil spring and adjustable dampers is probably your best option. Although at $700 you would want to get it right first time :shock:
Author:  craig goss [ Wed Mar 18, 2009 8:45 am ]
Post subject: 
Have you considered the coil over shockers with a rear space frame?

That removes the cones and is cheaper- if you get coil overs cheap
Author:  albino235 [ Wed Mar 18, 2009 2:56 pm ]
Post subject: 
craig goss wrote:
Have you considered the coil over shockers with a rear space frame?

That removes the cones and is cheaper- if you get coil overs cheap


I guess it also all depends on what class of racing you want to try as well, any historic class won't let you run any sort of coil springs so check the regulations first.
Author:  JAK355 [ Wed Mar 18, 2009 5:44 pm ]
Post subject: 
If im to concider keeping with rubber, can you recomend any performance/race oriented type available and who may didstribute.
Cheers
Author:  superSeven [ Wed Mar 18, 2009 5:53 pm ]
Post subject: 
JAK355 wrote:
If im to concider keeping with rubber, can you recomend any performance/race oriented type available and who may didstribute.
Cheers


these are available at minisport

Image

http://www.minisport.com.au/prod873.htm
Author:  JAK355 [ Wed Mar 18, 2009 6:02 pm ]
Post subject: 
Did anyone find these firmer? and better ride to suit hillclimbs/sprints
Author:  92 [ Wed Mar 18, 2009 8:26 pm ]
Post subject: 
We fitted springs into a mates rover and they were very good gave a much better ride and improved handling.
You must get the right ones though the road one are much too soft and the car gets too much body roll. The race ones are the ones to use, you will have to fit uprated shockers as well some thing like Gaz, Bilsten, Spax or Koni because springs have no dampening like a rubber cone.
Author:  JAK355 [ Thu Mar 19, 2009 7:59 pm ]
Post subject: 
92 wrote:
We fitted springs into a mates rover and they were very good gave a much better ride and improved handling.
You must get the right ones though the road one are much too soft and the car gets too much body roll. The race ones are the ones to use, you will have to fit uprated shockers as well some thing like Gaz, Bilsten, Spax or Koni because springs have no dampening like a rubber cone.


Did you find these much firmer than the rubber cones?
I already have Koni yellow adjustables.
Author:  Jules [ Thu Mar 19, 2009 8:19 pm ]
Post subject: 
92 wrote:
We fitted springs into a mates rover and they were very good gave a much better ride and improved handling…


I'm interested to know which ones you fitted.
Author:  JAK355 [ Sun Mar 22, 2009 11:34 am ]
Post subject: 
92 wrote:
We fitted springs into a mates rover and they were very good gave a much better ride and improved handling.
You must get the right ones though the road one are much too soft and the car gets too much body roll. The race ones are the ones to use, you will have to fit uprated shockers as well some thing like Gaz, Bilsten, Spax or Koni because springs have no dampening like a rubber cone.

Did you use the reds or greens?
Author:  92 [ Sun Mar 22, 2009 4:40 pm ]
Post subject: 
The ride was smoother than rubber cones a lot of the harsh bumpyness was taken out and improved the way the car went around corners because the tyre stayed in better contact with the road, body roll was the same as rubber cones.
The springs came from an import car so unsure what grade they were but they were yellow so I quess they are the race ones from minitastic
http://www.minitastic.co.uk/home1.htm
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