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Gt12 USA Spec

Old 02-18-2022, 11:04 AM
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Originally Posted by cementsurfer86
I get that. I think part of the reason we've gained a few new racers with this class is it takes away the perceived "motor of the week" talk (whether true or not) and allows the new guys to just show up and feel on pace with the group. What it's also done (and was our hope) is that it's created a true "stepping stone" to our Stock 12th class which has also seen a massive resurgence as well. A class to get their feet wet in pan cars with the goal of moving up, or staying in GT12 and having fun there, or doing both.

Again, this might not work for some areas, but for us in the NW, it's been a nice selling-point for the class. I do like what I'm hearing though on this thread. Everyone has their small tweaks that work for their area, but as a whole, the class has gained big-time traction. That's rad.
Yeah, it's interesting many people still have the perceived motor of the week when there hasn't been a "hot" motor to have since the Monster Max and Fantom motor ban in 2019. We've had 2 full years of very competitive racing and no 1 motor dominating the others. It's been pretty nice!

As for GT12, we have been playing with much lower timing than you'd normally run to help get a little extra torque to get the tires moving. I need to double check my motor, but we're going down to low 30s for timing. I'm running between 72/50-52. I'd recommend y'all run that gearing and play with lowering timing. It's the opposite of what is normally recommend, but rubber tire 12th scale is new territory for us all.
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Old 02-18-2022, 12:26 PM
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We tried the lower timing 2 years ago at the birds with foam tires. I even used it several other times both indoors and outdoors. It worked for a while. then I've gone back to my normal timing and different gear ratos than what you have suggested. But we use various motors but most come from Florida-Trinity. Ya'll are welcome to come down and race at the 2022 Nationals tracks anytime. We will be glad to point you in the right direction with help- just ask when you get there at the Orange tent.
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Old 02-20-2022, 05:04 PM
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Originally Posted by cementsurfer86
I get that. I think part of the reason we've gained a few new racers with this class is it takes away the perceived "motor of the week" talk (whether true or not) and allows the new guys to just show up and feel on pace with the group. What it's also done (and was our hope) is that it's created a true "stepping stone" to our Stock 12th class which has also seen a massive resurgence as well. A class to get their feet wet in pan cars with the goal of moving up, or staying in GT12 and having fun there, or doing both.

Again, this might not work for some areas, but for us in the NW, it's been a nice selling-point for the class. I do like what I'm hearing though on this thread. Everyone has their small tweaks that work for their area, but as a whole, the class has gained big-time traction. That's rad.
Oh i get it...when i was heavy into TC racing i ran handout motors andn the racing was tight and it brought alot of supposed 'slower' drivers up and the racing was amazing!!!! But i missed speed. Like i said if theres a handout at a big race I'll run it but i like my speed at home track as much as i can
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Old 02-23-2022, 07:42 AM
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Originally Posted by sps3172
I built a new X12 for someone at my local track using the PF Vette and when set to 170mm, the tires were still fully inside the body. I think there was room to go another few mm wider and still not stick out. It's also worth mentioning that the PF Vette is the first GT12 body I've seen that is designed with small tire size in mind. I've seen a few others (BItty, Montech) that look odd with small cutouts for 40-41mm tires (like the SJT).
Are those body posts the stock ones that come with the X12'2022 ? They seem long, which is good for GT bodies.
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Old 02-23-2022, 11:25 AM
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Originally Posted by Canuck
Are those body posts the stock ones that come with the X12'2022 ? They seem long, which is good for GT bodies.
No they are not the stock posts. They look like the posts from the X10.
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Old 02-28-2022, 05:22 PM
  #516  
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anybody got a set of nib rear SJT Rubber for sell ?
PM if so
Thanks
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Old 02-28-2022, 05:32 PM
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Originally Posted by BullFrog
We tried the lower timing 2 years ago at the birds with foam tires. I even used it several other times both indoors and outdoors. It worked for a while. then I've gone back to my normal timing and different gear ratos than what you have suggested. But we use various motors but most come from Florida-Trinity. Ya'll are welcome to come down and race at the 2022 Nationals tracks anytime. We will be glad to point you in the right direction with help- just ask when you get there at the Orange tent.
Lower timing has been working wonders on the tight indoor carpet tracks, just like we prefer spools over diffs. Short/tight turns with high grip loads hard on a motor, torque helps. We've ran 5 different motors at this point, hw/reds/surpass/Trinity/R1, all have been more friendly and yielded better results on carpet. Not to say higher timing is bad, it's just not been forgiving in our conditions, it may be better suited for outdoor tracks where it's more open and speed friendly.

TLDR: try lower timing, if you don't like it go back :-)
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Old 02-28-2022, 06:27 PM
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Originally Posted by OVA
anybody got a set of nib rear SJT Rubber for sell ?
PM if so
Thanks
You can actually buy them directly from the manufacture In the eastern USA online. I just got them today, gonna test them on high grip asphalt later
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Old 02-28-2022, 08:37 PM
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Ova knows this. I never understand why he asks some of the questions he does.
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Old 02-28-2022, 09:09 PM
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Originally Posted by busman
Ova knows this. I never understand why he asks some of the questions he does.
Hey Busman
Of course I do
But if you wanted to know why ..Just ask
you assume know everything I have my reason

Last edited by OVA; 02-28-2022 at 10:02 PM.
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Old 03-01-2022, 07:49 AM
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Which body do you recommend and why? Corvette C8, Akura or something else?
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Old 03-01-2022, 08:08 AM
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Originally Posted by MC Hamilton
Which body do you recommend and why? Corvette C8, Akura or something else?
Corvette for its width.
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Old 03-01-2022, 06:02 PM
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Originally Posted by MC Hamilton
Which body do you recommend and why? Corvette C8, Akura or something else?
Sabulatech Bolink Lamborghini from original mold

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Old 03-01-2022, 06:12 PM
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Be giving GT12 a try
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Old 03-02-2022, 04:30 AM
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Guys and gals. I started a thread for GT12-RT specific.
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