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Old 12-31-1969, 04:00 PM
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Old 12-31-1969, 04:00 PM
R/C Tech Forums Expert How-Tos and Guides
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Old 05-13-2019 | 04:44 PM
  #8941  
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Originally Posted by trigger
LOL! The tires are fine! Don't blame the tires for your ill handling cars. It's the same for everybody that follows the rules.
This is the kind of response I've come to expect from rctech. Totally dismissive and condescending.

Hey, lets have a discussion about making the hobby better! NO, your car is shit and your opinion is shit. Now lets go back to comparing paint jobs and unapproved bodies!!!

Wayne
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Old 05-13-2019 | 05:28 PM
  #8942  
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R-Tek and AGATA



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Old 05-13-2019 | 05:31 PM
  #8943  
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Don't be so sensitive. Changing tires for USGT over night doesn't seem logical. There are times I don't cope with the tires well, wether it be track conditions, ambient temps, etc. I don't just write off the tires. I Make minute adjustments till I'm happy and drive. Thats it. Win or lose, I at least know that everyone was competing on the same tires and lets me know where I am in the pecking order.

Last edited by trigger; 05-13-2019 at 05:43 PM.
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Old 05-13-2019 | 05:44 PM
  #8944  
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I would like to try Can Am's GT rules. I may get a couple just to "test the waters" at the local club to see if others are interested. Has anyone here run an event under Can Am GT rules?
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Old 05-13-2019 | 06:14 PM
  #8945  
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Originally Posted by flyingm
Living at 7,000 feet means we have a short racing season in Flagstaff, Arizona. It was 7 months til we had our first practice race last weekend. Our Summer Point Series starts in June, so I'm just doing some painting. McAllister Racing C5 Corvette and MX-Stang.....Time to get racing!!!





These are really nice. Hope you're enjoying retirement in AZ. Is the C5 200mm? I was thinking of trying some offset wheels.
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Old 05-13-2019 | 06:19 PM
  #8946  
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Thanks Beemerfan. The C5 is 190mm. those ar 3MM offset wheels in the photos.
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Old 05-13-2019 | 07:47 PM
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Originally Posted by trigger
LOL! The tires are fine! Don't blame the tires for your ill handling cars. It's the same for everybody that follows the rules.
Im not trying to blame anyone, Ive heard complaints that the really fast guys are dominating a beginner class but you cant blame them either. Its hard to get a good race going and Id rather be last in a race than not have raced at all so we cant really ask the fast guys to sit it out. The really fast guys are averaging about .2 seconds a lap slower in USGT versus 17.5.
That does make it hard for a beginner to start out in USGT.
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Old 05-13-2019 | 07:51 PM
  #8948  
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.

Last edited by Hopscotch; 05-17-2019 at 07:33 AM.
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Old 05-13-2019 | 08:17 PM
  #8949  
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Originally Posted by Razathorn
Honestly, doing 25.5 touring car and USGT, 25.5 TC is almost as fast.. like within 5%... but, the USGT car frustratingly "wanders off" and "becomes tippy" for me with tire age as they balloon up. I've been very frustrated with it on black carpet, but I've got it down now, and unfortunately, my view is USGT is actually harder than 25.5 TC class, and I have to do very little to my TC other than sauce the tires and put it on the track. With USGT, I've got my starting setup, and now a setup I slowly migrate to as the tires age and the car starts to tip, and no amount of CA glue on the sidewalls helps. It's a shit tire, and the motors got super fast, and that's why people have been doing 25.5 TC at my track.

I run both. At our track, in 21.5 and 25.5 TC, we all run the same tire, so we effectively have a spec tire, the motors are now governed by minimum resistance, so now USGT is actually more work. VTA is no more here, essentially replaced by traxxas 4-tec racing.

IMHO, USGT should pick a new spec tire. I haven't yet received a set of premount tires that didn't have at least one wheel with a +/- 1 degree camber wobble, and when I grab some throttle with the car in my hand, the body sounds like it's going to tear itself apart from the vibrations. The 4-tec 2.0 traxxas cars have better premount tire consistency and run-out. It's actually kinda sad.

Wayne
i build my own USGT tires using the ride wheels. Just glued up a set yesterday.

They take a solid beating to break.. unlike the gravity ones... I broke one while breaking the tire in... wasnt to happy that day.
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Old 05-14-2019 | 06:02 AM
  #8950  
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Originally Posted by Razathorn
Honestly, doing 25.5 touring car and USGT, 25.5 TC is almost as fast.. like within 5%... but, the USGT car frustratingly "wanders off" and "becomes tippy" for me with tire age as they balloon up. I've been very frustrated with it on black carpet, but I've got it down now, and unfortunately, my view is USGT is actually harder than 25.5 TC class, and I have to do very little to my TC other than sauce the tires and put it on the track. With USGT, I've got my starting setup, and now a setup I slowly migrate to as the tires age and the car starts to tip, and no amount of CA glue on the sidewalls helps. It's a shit tire, and the motors got super fast, and that's why people have been doing 25.5 TC at my track.

I run both. At our track, in 21.5 and 25.5 TC, we all run the same tire, so we effectively have a spec tire, the motors are now governed by minimum resistance, so now USGT is actually more work. VTA is no more here, essentially replaced by traxxas 4-tec racing.

IMHO, USGT should pick a new spec tire. I haven't yet received a set of premount tires that didn't have at least one wheel with a +/- 1 degree camber wobble, and when I grab some throttle with the car in my hand, the body sounds like it's going to tear itself apart from the vibrations. The 4-tec 2.0 traxxas cars have better premount tire consistency and run-out. It's actually kinda sad.

Wayne
I actually think the usgt tires are the best thing about the class. The tires last a long time and they get more grippy with wear. What tc tire gets better the more you run them?
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Old 05-14-2019 | 06:25 AM
  #8951  
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Originally Posted by SpidarX


I actually think the usgt tires are the best thing about the class. The tires last a long time and they get more grippy with wear. What tc tire gets better the more you run them?

Man I wish my usgt tires lasted longer. Once they start to swell (usually 10-15 runs) they go to crap. Maybe its a black carpet thing its the only surface I have used them on.
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Old 05-14-2019 | 08:24 AM
  #8952  
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Are you getting 15 runs total or 15 race days? 15 days is a long lasting tire. 15 runs? My tires don’t get good until 15 runs. That’s barely enough to get the mold seem off (even after sanding it)


What is your saucing routine and cleaning routine? There may be something there causing premature breakdown.
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Old 05-14-2019 | 10:20 AM
  #8953  
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The tire conditioners like SXT eventually cause the tires to swell. This is my tire after SXT leaked in my pit box and soaked in.

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Old 05-14-2019 | 10:34 AM
  #8954  
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Originally Posted by NutDriver
I would like to try Can Am's GT rules. I may get a couple just to "test the waters" at the local club to see if others are interested. Has anyone here run an event under Can Am GT rules?
At NORCAR we run Can Am USGT (motor and fixed FDR)
Motors run well at that FDR.. I have maybe .1 to .2 fade after 6 minutes and come off at room temp with a fan.
Speeds are very similar.. It's a matter of getting your chassis to work and drive consistent!
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Old 05-14-2019 | 12:41 PM
  #8955  
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On our track, the size makes 21.5 effectively mod. Doesn't matter who's 21.5 is faster, they blip down the straight for only a short period of time, and the infield is the great equalizer.
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