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Old 04-15-2014, 11:54 AM   #316
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Thanks martin. We run a control tyres so stuck with the tyre. Would reduced droop all round help aswell?

Another quick question. Rear link, if its the same length what does moving it closer to the wheel achieve and vice versa and why

Thanks again
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Old 04-15-2014, 12:56 PM   #317
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Hi, Martin, what would you do on a extreme low traction... concrete dirty track.
What I did after trying several setups... I never have will have rolling problem I wish...
Ride height is 6mm rear and 6.5 front
Camber 2 rear and 1 front, both camber links short.
Droop 0.5 rear and 3 front
Toe in 3 rear and toe out 2 front
I run the car with more flex as possible on the chassis, only left 4 screws at the end of both sides on the topdeck.
I raise the inboard rear arm to 2mm, front is 1.
raise rear upper (camber) link 4mm outside (wheel), and 1mm inside.
raise front upper (camber) link 0mm outside (wheel), and 4mm inside.
Shock, front black spring 60cst oil 3 holes, position 3 hole from inside
Shock, rear white spring 40cst oil 3 holes, position 5 hole from inside
I will try 6 holes....
1000 cst differential
This is on S411 TE
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Old 04-15-2014, 03:49 PM   #318
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Quote:
Originally Posted by Nathan Wilson View Post
Thanks martin. We run a control tyres so stuck with the tyre. Would reduced droop all round help aswell?

Another quick question. Rear link, if its the same length what does moving it closer to the wheel achieve and vice versa and why

Thanks again
Without changing the length of the upper link, if you move it more outboard, you will raise the RC a very small amount. Likewise if you moved it more inboard without changing the length of the upper link then you would lower ther RC a very small amount (like about 0.1mm)

Quote:
Originally Posted by Byronf1 View Post
Hi, Martin, what would you do on a extreme low traction... concrete dirty track.
What I did after trying several setups... I never have will have rolling problem I wish...
Ride height is 6mm rear and 6.5 front
Camber 2 rear and 1 front, both camber links short.
Droop 0.5 rear and 3 front
Toe in 3 rear and toe out 2 front
I run the car with more flex as possible on the chassis, only left 4 screws at the end of both sides on the topdeck.
I raise the inboard rear arm to 2mm, front is 1.
raise rear upper (camber) link 4mm outside (wheel), and 1mm inside.
raise front upper (camber) link 0mm outside (wheel), and 4mm inside.
Shock, front black spring 60cst oil 3 holes, position 3 hole from inside
Shock, rear white spring 40cst oil 3 holes, position 5 hole from inside
I will try 6 holes....
1000 cst differential
This is on S411 TE
My guess is that setup you have will push a lot.

What is it you are wanting to be different about the handling and balance of the car?
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Old 04-15-2014, 06:29 PM   #319
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I know you haven't raced 1/12 very much and setting up one is quite different to that of a touring car. However, I have a question pertaining to 1/12th front ends.

Why is it when I switch my front springs from ASC 0.18 to a harder spring rate ASC 0.20 I end up gaining more steering? Is this a result of the harder ASC 0.20 springs shifting the longitudinal weight transfer more rearward?
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Old 04-15-2014, 10:16 PM   #320
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Originally Posted by EDWARD2003 View Post
I know you haven't raced 1/12 very much and setting up one is quite different to that of a touring car. However, I have a question pertaining to 1/12th front ends.

Why is it when I switch my front springs from ASC 0.18 to a harder spring rate ASC 0.20 I end up gaining more steering? Is this a result of the harder ASC 0.20 springs shifting the longitudinal weight transfer more rearward?
Maybe the .18 spring is allowing the chassis to rub taking away steering?
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Old 04-15-2014, 10:24 PM   #321
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What causes this? Happened on 2 separate sets of sweep 32's (one with about 3 packs, 1 well used) It also happened on another persons car too.

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Old 04-16-2014, 03:45 AM   #322
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Looks like overheating to me. What surface was it driven on? Was the track laced with traction treatment of some sort? Was it only the 2 of you that this happened and not the other drivers?
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Old 04-16-2014, 10:07 AM   #323
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Quote:
Originally Posted by PROMODVETTE View Post
What causes this? Happened on 2 separate sets of sweep 32's (one with about 3 packs, 1 well used) It also happened on another persons car too.

Hard to tell from the pic, but it looks like it has picked up a lot of traction compound from the track you run on.

I does not look like tire graining to me...looks more like excess pickup of compound.

track surface?
compound?
Was it happening every run?
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Old 04-16-2014, 10:23 AM   #324
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That is what it looks like to me also.
We used vht cut with methanol and if it was ran on to soon after applying it to surface u would pick it up on ur tires and even after cleaning it off with mild cleaners it would build up on tires the next few runs since it the vht was coming out of the rubber in the.tire
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Old 04-16-2014, 10:34 PM   #325
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It was on unsprayed carpet. It was sprayed maybe 3 or 4 weeks prior with traction action, but had been run on a lot since then. It happened to us for about 3 to 4 runs and finally went away.
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Old 04-16-2014, 10:49 PM   #326
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Quote:
Originally Posted by PROMODVETTE View Post
What causes this? Happened on 2 separate sets of sweep 32's (one with about 3 packs, 1 well used) It also happened on another persons car too.

That happens on our carpet track sometimes.

1) You got outside the groove and picked up all the gunk and crap outside the line.
2) The track itself is just dirty as heck and even staying in the groove picks this stuff up.

I've seen either one happen, but the first one will happen a lot more often with new drivers because they can't stay in the groove as easily.

The second one I've seen happen to me when there were a couple of drift dudes driving around on the concrete and then stuck their dirty cars on the track and drifted around. Even staying in the groove, my tires gunked up and lost traction.
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Old 04-16-2014, 10:49 PM   #327
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Hello Martin

This maybe has already been asked? I'm getting high front tyre wear, we race on Tarmac, hasn't been treated. What would you try first?
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Old 04-17-2014, 08:14 AM   #328
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Hi Martin,

I'm running a Yok BD7 with the setup attached on medium grip tarmac track in 13.5 boosted. I'm stuggling with the car understeering and feeling far too safe in slower speed corners, gernally feelng as though the front end is too weak. In high speed generally the car is pretty well balanced.

Could you offer any tips on things to try to give more front end in the slower corners?

Thanks
Dan
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Old 04-18-2014, 09:37 PM   #329
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Hi Marttin,

What setup recommendations would you suggest for VTA coming from a 21.5 touring car?
Thanks
Fred
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Old 04-18-2014, 10:48 PM   #330
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Hi Marttin,

What setup recommendations would you suggest for VTA coming from a 21.5 touring car?
Thanks
Fred
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I personally ran pretty similar setups between 25.5 VTA and 17.5 TC on two identical cars. I think I went just a hair softer all around on the springs/shocks on the TC.
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