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Old 05-23-2008, 10:42 AM   #121
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Default questions???

im new to rubber/asphalt racing.... we run 10.5, rubber JACO...green and or blue...ONLY

question is... when do you glue them.. inside and/or outside ?
AND WHY ?

when and why ...again... do you DRILL hole in the inside rim?

thanks in advance for help !!!

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Old 05-23-2008, 12:37 PM   #122
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As far as drilling the wheel that is a NO, unless you are just out for fun or your club allows it. The hole that has been drilled into the JACO wheel optimizes the air gap in the tire.

Gluing is a must to both the outside of the wheel and the inside closest to the chassis. I will venture that 99.9% of racers who run pre-mounts glue them again to ensure that they do not come off the wheel.

Hope this helps.

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Old 05-23-2008, 01:00 PM   #123
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Yes ,thank you

it surely help... but what about airgap ? less / more is better

tire warmer or not ?
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Old 05-23-2008, 01:26 PM   #124
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Jaco pre-mount tire
air gap in where ?
between wheel & insert
or tire & insert ?
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Old 05-23-2008, 02:11 PM   #125
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So will the rubber part of these tires be the same as the Muchmore Sweep if they're indeed from the same source?

I ran some Sweeps last night (purchased by accident) and they worked fairly well, but it seemed like the 28's were a lot softer than other 28's, and got beat up by the heat pretty bad. They seemed more like 24's.
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Old 05-23-2008, 02:27 PM   #126
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Syndrome- I honestly can't comment on the "source" because we have tested so many different compounds that I am not sure what the "source" is anymore. I can tell you that the tires that were run by FSEARA (Florida) teh pre-production blues on a prism wheel, are classififed as Jaco blues. Track temps were near 135 degrees and not 1 set that I saw suffered any of the blistering you describe.

Jaco will offer Green, Blue and Orange the corresponding or matching shore numbers are not known at this time.


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Old 05-23-2008, 03:37 PM   #127
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Yes ,pre -mount jaco rubberz...

what im trying to know is... as long as i can't use different compound, and insert...or even soft or harder rim !

what can you do (ex :set-up on car ) to have more or less traction on rubberz

keep car consistent 5 min long ?
thank you
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Old 05-23-2008, 03:58 PM   #128
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Spy-Not sure what your track conditions are but the JACO blue has shown to be very consistent for the whole run. There are tons of different traction additives that work. I suggest experimenting with them until you find something you like.

Opening the holes in the rim helps keep the tire cooler but agian, not something we have seen as necessary.


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Old 05-23-2008, 04:02 PM   #129
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hey spy, usually a base setup for asphalt with rubber would be a good start and then make adjustments from there to maximize performance. motor and gearing would be important as well. gearing will vary depending on motor chosen.
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Old 05-23-2008, 04:03 PM   #130
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butter, donde compro da new jaco blues bro ?
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Old 05-23-2008, 04:27 PM   #131
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Thank you all !

the track as rough asphalt...with newly applied sealer !
i sauced fr and rr full with PARAGON

for the car setting .. was pretty good for first time on the track... rear was bit loose.... but again i think the tire set-up was'nt the good one.. green/green fr and rear

that's why im trying to figure out...every aspect !

thank again!
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Old 05-23-2008, 04:32 PM   #132
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spy-paragon is very hard on rubber tires on asphalt. It seems to heat up very quickly and the bite goes away. This could be one of your problems.
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Old 05-23-2008, 04:36 PM   #133
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ok
any recommendation ?
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Old 05-23-2008, 04:53 PM   #134
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you can try Tire tweak or any of the oil based additives. If yo have warmers bake the stuff in for 20 mins, wipe em dry and have at it.
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Old 05-23-2008, 05:04 PM   #135
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The only time I've seen Paragon work well on asphalt was SoCal. And that asphalt was smooth as can be so there wasn't a lot of abrasion to beat up the tire. I'd start with something like Tire Tweek, STX 2, DIP, any of those should work well. Also, I know carpet guys talk about saucing only half the front tires and gluing up sidewalls, running a harder front tire than the rear, etc... None of that is really needed for asphalt. That stuff is usually to take away steering on the rug. We're almost always trying to get more steering running on asphalt. I've never seen anyone only partially sauce a tire or different compound front and rear tires running on asphalt.
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