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Old 07-19-2016, 01:54 AM
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Bringing this back from the dead... Anyone have experience with the JFT S foams, and suggestions on which shore for the grey crc carpet? Was thinking of starting with 35/35?
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Old 07-19-2016, 02:11 AM
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Both Dave Spashett and Ollie Payne used S35 front and rear at Chesterfield this weekend.
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Old 07-19-2016, 08:24 AM
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Originally Posted by fenton06
Bringing this back from the dead... Anyone have experience with the JFT S foams, and suggestions on which shore for the grey crc carpet? Was thinking of starting with 35/35?
S35 fronts and S30 rears are a good combination to start with on the CRC grey carpet. If it feels like the car has too much steering, go to the S35 rears.

Fair warning - the S compound tires are incredible on the old CRC carpet.
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Old 07-19-2016, 08:53 AM
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What class? 13.5 or 17.5 I would say Green rear and Blue fronts. In my testing BSR Green rear and Blue fronts were faster, but not all CRC grey carpet is created equal. We have since moved to CRC Black and the S compound works great.
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Old 07-19-2016, 10:25 AM
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Originally Posted by LloydLoar
Fair warning - the S compound tires are incredible on the old CRC carpet.
That's the goal!!!
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Old 07-19-2016, 01:06 PM
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FWIW, at our place, on grey carpet the S compound does not work. They get too tacky.

However, the C Compound is magic. From my experience the higher the humidity, the less effective the S compound becomes.
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Old 07-19-2016, 01:10 PM
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Originally Posted by CristianTabush
FWIW, at our place, on grey carpet the S compound does not work. They get too tacky.

However, the C Compound is magic. From my experience the higher the humidity, the less effective the S compound becomes.
I am open to all options! I'm planning on ordering them from you, but I do not see the C foams on your site. What shore ratings for the C compound would you recommend Cristian?
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Old 07-19-2016, 01:57 PM
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JFT makes rear C25 yellow, C30 green and C35 light blue.
Front C30, C35 and C40 dark blue
I run mostly 13.5 and use C25 rear C30 front when traction is low on our old CRC grey.
Rear S25 yellow and frt C30 green work almost as good.
I also like A32 magenta fronts with S or C25 yellow rears or C30 when the bite comes up.
S30 or S35 will work for 6 laps and then get tacky and become undrivable, like C.T. posted.
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Old 07-19-2016, 03:07 PM
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Originally Posted by fenton06
I am open to all options! I'm planning on ordering them from you, but I do not see the C foams on your site. What shore ratings for the C compound would you recommend Cristian?
C30 R and C35F works almost anywhere. If I was going somewhere, this is what I would bring. Question is what are the track conditions? Do tires get tacky? Does anything work at your track?
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Old 07-19-2016, 03:09 PM
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Originally Posted by SLOWINSLOWOUT
Do you know if the Yokomo CRT tires are the same as the JFT C foam?
Not from my knowledge. Jft C compound has only been available from JFT from my knowledge, even my Japanese buddy had never seen them before here. JFT is not very popular in Japan because they are expensive over there. Most people mount their own foam in Japan in his part of the country.
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Old 07-19-2016, 07:34 PM
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Originally Posted by CristianTabush
C30 R and C35F works almost anywhere. If I was going somewhere, this is what I would bring. Question is what are the track conditions? Do tires get tacky? Does anything work at your track?
My fastest lap times were on the CRC spec tires after being told they wouldn't work. I typically run CRC greylows in the rear and chromes in the front. My tires haven't gotten tacky as far as I can remember, but it's been awhile since I've been able to drive my 1/12 unfortunately. Looking to get a bunch of different tires and seeing what works!
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Old 07-20-2016, 10:47 PM
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Originally Posted by fenton06
My fastest lap times were on the CRC spec tires after being told they wouldn't work. I typically run CRC greylows in the rear and chromes in the front. My tires haven't gotten tacky as far as I can remember, but it's been awhile since I've been able to drive my 1/12 unfortunately. Looking to get a bunch of different tires and seeing what works!
If you run Stock, don't get a bunch. Most races next year will be spec tire.
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Old 07-21-2016, 01:00 AM
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Originally Posted by sdunnmcp
If you run Stock, don't get a bunch. Most races next year will be spec tire.
AFAIK, my normal track won't be running spec tires. Thanks though!
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Old 09-10-2016, 12:47 PM
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Originally Posted by CristianTabush
Not from my knowledge. Jft C compound has only been available from JFT from my knowledge, even my Japanese buddy had never seen them before here. JFT is not very popular in Japan because they are expensive over there. Most people mount their own foam in Japan in his part of the country.
JFT tire is not expensive tire in Japan. Actually it is one of low cost tire in Japan but Japanese RC driver is more to religious side. If you use Yokomo car then they use Yokomo tire, if you use CRC then they use Kimihiko tire because they follow Factory driver set up. Factory driver are like Guru in Japanese RC market
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Old 09-11-2016, 07:01 AM
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I see that JFT has released a new compound, the 'R'. Does anyone have any info on this? Still looking for a compound that works well, tried the 'C', and it just got very gummy, was great for the first minute, but after that, undrivable. This is for the grey CRC carpet, using SXT 3.0. Is there a different odorless sauce that works better with these tires maybe?
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