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Old 25-06-2014, 07:10 AM   #1
big_jim
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Default Slick tyres

I'm going down to a 13 inch wheel on my spaceframe sprint car and I'm looking to find some info on the best tyres to be using.

What are you guys running and what is best?

Thanks
Jim
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Old 25-06-2014, 09:38 AM   #2
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Avon all the way but be prepared to have your pants pulled down and your wallet lightened if you want new. I'll let you know the codes but I think yours will be different as your car is lighter. Give Avon a ring and give them the info.
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Old 25-06-2014, 01:56 PM   #3
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Jim
Have a look round the tyre walls at Barkston, there might be something suitable there. I got 4 Toyo 888s and raced them on the circuits a couple of meetings. (Donington and Mallory)

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Old 25-06-2014, 04:38 PM   #4
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these are what i bought Jim.......i stuck them on the wall in the garage as a may never be able to afford a brand new set ever again
https://www.dropbox.com/s/4kngcyq3sf...625_172749.jpg
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Old 25-06-2014, 06:39 PM   #5
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I fear if I did that bill I would end up back there again with the car!

Iv found some medium soft dunlops in the correct sizes and the guy (a tyre dealer) said he runs them on his hill climb car and they are good straight out of the box

They are a 392 compound. He also has michelin in a 310 compound. Heard of these anyone?

Jim
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Old 25-06-2014, 07:49 PM   #6
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how much does his car weigh though Jim? I would stay away from the Michelins the carcass side walls are very flexible. I used some Michelins at Elvington and rolled one off the rim. I was running them with a low tyre pressure though. They would be good for circuit use at the correct pressure. Maybe you should look at a set of road tyres? the Toyo R888 are great.

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Old 25-06-2014, 07:58 PM   #7
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It is 430 kg without the shell which is about 30 kg at most. So 450-460 most plus me....

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Old 26-06-2014, 07:56 AM   #8
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I was even told by one company that I would be better with worn wets as the rubber is far more sticky....
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Old 26-06-2014, 07:53 PM   #9
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I was even told by one company that I would be better with worn wets as the rubber is far more sticky....
Grip would be good for a short distance and then the blocks would likely overheat and at this point there's not much grip to be had. Un-cut wets are good though ....... I got some cheap off BMTR back in the days when we were playing at the MSA events.

If you have very deep pockets then sticky Avons with a big footprint (at least 8" wide) at the rear of your RWD machine then narrow & sticky up front for less rolling resistance.

As Bill suggests R888's are very good trackday tyres, but they're probably better suited to a heavier car than yours.
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Old 26-06-2014, 10:54 PM   #10
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The main problem I have is a massive overspend on the thing, I am down to a budget now on the things that possibly count most... tyres.

But these are things that are easy to change when the money is available.

Im just finding the hard slicks I went out on last event are far too hard and not gripping at all. Im sure my road tyres on my honda accord daily
have more grip!
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Old 27-06-2014, 11:14 AM   #11
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Anyone got a pair of part worn avons for Jim? I have a couple, very little left on them but may be good to get at least a feel for how much grip they give
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Old 27-06-2014, 01:12 PM   #12
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Anyone got a pair of part worn avons for Jim? I have a couple, very little left on them but may be good to get at least a feel for how much grip they give
Jim, I've got a pair of part worn Avons, 9x21x13" for the rear if you can get them on your rims,
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Old 27-06-2014, 02:49 PM   #13
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You can try my toyo 888 if you want Jim at least you can see if they are any good on your car.
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Old 27-06-2014, 03:06 PM   #14
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Jim will 13's fit ,
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Old 27-06-2014, 04:11 PM   #15
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Guys you are great! Saves a lot of messing about and money buying the incorrect tyres.

Shaun I'm going down to 13 inch rims which I already have and they clear ok.
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