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Old 07-14-2014, 09:07 PM   #2011
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On fast corners/sweepers it tends to understeer mid corner, and on hard/ shard turns the backend kicks out a little. I'm running the kit setup with those carbon fibre plates on the rear arms and I'm running Take off 27 tires.
So what setup do you have on there right now?
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Old 07-14-2014, 10:07 PM   #2012
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I don't have a very good setup but if your track allows tire prepping use mountain green. From what I've scene in full size racecars it will give you a lot of grip
Hmmm...ok. I do have some tire traction i'll give it a try next time.
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Old 07-14-2014, 10:09 PM   #2013
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So what setup do you have on there right now?
The kit set up and I have put those carbon fibre plates on the rear suspension arms.

Apart from tire changes I haven't touched the set up.
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Old 07-15-2014, 02:48 AM   #2014
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The kit set up and I have put those carbon fibre plates on the rear suspension arms.

Apart from tire changes I haven't touched the set up.
I think the carbon fiber plates may be stiffening the arms up too much for cold and slippery conditions like that. I'd try taking them off. Either way, if you're racing in the cold and on a low traction surface, you're going to have to prep the tires, imho. Around these parts Paragon is pretty popular, white can or black can, depending on how you prep. Tire warmers can help too.

I believe you said you're running touring tires, so try the white can. Let it soak for as long as you can, then wipe off and let the tires dry a bit more, see how they feel.
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Old 07-15-2014, 02:56 AM   #2015
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I think the carbon fiber plates may be stiffening the arms up too much for cold and slippery conditions like that. I'd try taking them off. Either way, if you're racing in the cold and on a low traction surface, you're going to have to prep the tires, imho. Around these parts Paragon is pretty popular, white can or black can, depending on how you prep. Tire warmers can help too.

I believe you said you're running touring tires, so try the white can. Let it soak for as long as you can, then wipe off and let the tires dry a bit more, see how they feel.
Thanks for the info. I'll remove the carbon fibre plates, and prep the tires.
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Old 07-15-2014, 03:24 AM   #2016
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I did try that but the heat shrink kept sliding off. I may just have cheap heat shrink, I bought a "multi-size bulk" container off of Amazon. Do you have specific heat shrink you use?
Nothing specific.

I just make sure what use is slightly longer than needed so when it shrinks it wraps over the ends of the centre 'tube', I've never had any shrink come off but it will need replacing every few meetings.
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Old 07-15-2014, 03:28 AM   #2017
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Bump.
You probably want a lot of flex.

Remove layshaft screws etc, possibly thinner top deck.
Definitely no carbon plates.
Thinner roll bars.
1mm all round on inner upper links

Those are a few things I would try
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Old 07-15-2014, 05:15 AM   #2018
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Hello

I'm green to on road rc racing and I've only raced once and have 2 weeks in between races. What maintenance I should do in between races and what I should do every two races.

Thanks
Bump
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Old 07-15-2014, 05:56 AM   #2019
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Originally Posted by Skiddins View Post
You probably want a lot of flex.

Remove layshaft screws etc, possibly thinner top deck.
Definitely no carbon plates.
Thinner roll bars.
1mm all round on inner upper links

Those are a few things I would try
Cool, thanks! I'm going to try everything that everyone has recommended.
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Old 07-15-2014, 06:04 AM   #2020
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Bump
Pretty much give the car a going over. Check the screws, check the bearings, check the drive train, check the belts.

If you've had a bad crash, check to see if there is any damage.

Also clean the chassis as dirt and other debris can cause parts to wear out quicker.
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Old 07-15-2014, 06:12 AM   #2021
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Cool, thanks! I'm going to try everything that everyone has recommended.
Great, come back and let us all now what worked, and what didn't
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Old 07-15-2014, 10:17 AM   #2022
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1mm all round on inner upper links
Ok, I'm confused, why are you recommending he lower the inside links? That raises the roll center and thus will have the car roll less, no?
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Old 07-15-2014, 10:26 AM   #2023
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Ok, I'm confused, why are you recommending he lower the inside links? That raises the roll center and thus will have the car roll less, no?
Chassis roll != traction, but the camber gain can help with generating traction.
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Old 07-15-2014, 10:44 AM   #2024
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Chassis roll != traction, but the camber gain can help with generating traction.
Since when does roll center not affect traction? That goes against the Hudy book and posts like Understanding and Tuning Roll Center
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Old 07-15-2014, 10:53 AM   #2025
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Since when does roll center not affect traction? That goes against the Hudy book and posts like Understanding and Tuning Roll Center
It's all a balance. I was saying, it doesn't necessarily equal more traction. It does effect traction tho.
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