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Old 03-28-2005, 01:19 PM   #1906
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Default Re: Re: 2MM SPLIT

Quote:
Originally posted by jeffreylin
The track here is smooth VHT prepared. We mostly run 42 front and rear and tire wear is minimum when traction is good.
Hi

Can you please explain the Term VHT ? ashphalt it what we have......where can i get VHT to treat my track ?
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Old 03-28-2005, 03:10 PM   #1907
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VHT is a traction compound that is made for drag racing gives wicked traction (rip your shoes off sticky).
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Old 03-28-2005, 03:25 PM   #1908
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Default RRR world Champ kit

does anyone here have a WC kit for sell.
If so email me
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Old 03-28-2005, 03:49 PM   #1909
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Quote:
Originally posted by jeffreylin
i too run 2mm split. i also find that anything bigger than 57mm-59mm will adversely affect the handling of the car (well my car anyway). 55-57 works real good.
Gotta agree with what Jeffreylin said.
I`ve also found that anything above 57-59mm has an adverse affect on the handling of the car.
At the last club meet i raced at, i ran 57-59mm.....40shore front, 37 shore rear, with the stock pulleys and the car handled an absolute dream.....this was on a VHT treated track, very smooth (Moorebank NSW where the 1/8th worlds were held a couple of years ago).
Given the smooth nature of this track, anything from 42shore allround to 37 shores are used.
Racing at another local track that doesnt have the excellent surface of Moorebank, I find that 37`s would be the hardest compound you`d want to use.
As for ride height, I`ll generally start with 5.5mm front (at 60mm tyre diameter) and 6.5mm rear (at 62mm tyre diameter) and then adjust according to the track from these.
Cheers
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Old 03-28-2005, 05:19 PM   #1910
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Quote:
Originally posted by AndyT ©
Gotta agree with what Jeffreylin said.
I`ve also found that anything above 57-59mm has an adverse affect on the handling of the car.
At the last club meet i raced at, i ran 57-59mm.....40shore front, 37 shore rear, with the stock pulleys and the car handled an absolute dream.....this was on a VHT treated track, very smooth (Moorebank NSW where the 1/8th worlds were held a couple of years ago).
Given the smooth nature of this track, anything from 42shore allround to 37 shores are used.
Racing at another local track that doesnt have the excellent surface of Moorebank, I find that 37`s would be the hardest compound you`d want to use.
As for ride height, I`ll generally start with 5.5mm front (at 60mm tyre diameter) and 6.5mm rear (at 62mm tyre diameter) and then adjust according to the track from these.
Cheers
some great info there Andy thx
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Old 03-28-2005, 05:28 PM   #1911
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what kind of tire wear in general are you experiencing. I know it is based on the track but I was thinking in comparison to other cars you have owned. I am coming from driving a ntc3 and this overdrive is a whole new deal
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Old 03-28-2005, 06:11 PM   #1912
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CVCCSI YOU HAVE A (PM)
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Old 03-28-2005, 07:49 PM   #1913
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Quote:
Originally posted by subman
what kind of tire wear in general are you experiencing. I know it is based on the track but I was thinking in comparison to other cars you have owned. I am coming from driving a ntc3 and this overdrive is a whole new deal
Having owned a FT NTC3 before the RRR, I`d say the tyre wear is quite similar, there may have been just a fraction more wear on the NTC3.
An example of tyre wear I`ve had with the RRR--
Smooth track, VHT
Starting diameters-
Front left- 59.1mm
Front right- 58.4mm
Rear left- 60.3mm
Rear right- 61.8mm
2 x 5min heats and a 15 min final took these tyres to-
Front left- 57.8mm
Front right- 58.1mm
Rear left- 58.9mm
Rear right- 60.0mm
Tyre brand- Ellegi, 40 shore front, 37 shore rear.
Cheers
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Old 03-28-2005, 07:51 PM   #1914
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Thanks Andy T
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Old 03-28-2005, 08:09 PM   #1915
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Another example of RRR tyre wear-
Tyres used were the "stock" Power Tyres supplied with the RRR kit- 35shore
Track- Ashphalt, bumpy in parts
Track temp- varied from 123deg f to 140 deg f (day one), to approx 105 deg (day two)
This was a 2 day event...
Commenced day 1-
Front diameters- 60.2mm & 60.3mm
Rear diameters- 64.5mm both

After 6 x 5 minute heats across the 2 days the tyres had worn to 59mm each (tyres were rotated throughout the heats)

The 15 min final was started with 59mm all round, with a ride height of 5.5mm front, 6.5mm rear.
At the completion of the final, diameters were-
Front left- 58.7mm
Front right- 58.1mm
Rear left- 57.3mm
Rear right- 56.7mm

Ride height at end of final was- 4mm rear, 5mm front approx
One observation i made was that at about the 10min mark of the final, there was starting to be a bit of oversteer in one section of the track......i put this down to either the rear tyres starting to get too hot, or the rate of wear on the rear tyres shifting more weight towards the rear of the car.
Anyway, hope this helps someone out
Cheers
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Old 03-29-2005, 07:34 PM   #1916
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Quote:
Originally posted by AndyT ©
Another example of RRR tyre wear-
Tyres used were the "stock" Power Tyres supplied with the RRR kit- 35shore
Track- Ashphalt, bumpy in parts
Track temp- varied from 123deg f to 140 deg f (day one), to approx 105 deg (day two)
This was a 2 day event...
Commenced day 1-
Front diameters- 60.2mm & 60.3mm
Rear diameters- 64.5mm both

After 6 x 5 minute heats across the 2 days the tyres had worn to 59mm each (tyres were rotated throughout the heats)

The 15 min final was started with 59mm all round, with a ride height of 5.5mm front, 6.5mm rear.
At the completion of the final, diameters were-
Front left- 58.7mm
Front right- 58.1mm
Rear left- 57.3mm
Rear right- 56.7mm

Ride height at end of final was- 4mm rear, 5mm front approx
One observation i made was that at about the 10min mark of the final, there was starting to be a bit of oversteer in one section of the track......i put this down to either the rear tyres starting to get too hot, or the rate of wear on the rear tyres shifting more weight towards the rear of the car.
Anyway, hope this helps someone out
Cheers
Hi Andy,

The problem you are describing here is not the rears going off from heat. What basically is happening is that the rear tyres are sliding more than the fronts, hence the greater tyre wear (4mm ride height at the finish). What then happens is the split you started with then goes out of whack which then changes the overdrive ratio. Our experience tells us that this happens when the balance of the car is not right. Ie there is something wrong in the setup.

Its a low grip track that one, not an easy place to find a good balance. The geometry of the RRR is designed for high traction tracks.

Regards

Kyle
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Old 03-29-2005, 11:00 PM   #1917
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Default Shocks

What setup are you guys using on the shocks, how many holes on the piston, oil, etc. for high and low traction??

Thanks!!!
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Old 03-29-2005, 11:09 PM   #1918
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Default Re: Shocks

Quote:
Originally posted by wad
What setup are you guys using on the shocks, how many holes on the piston, oil, etc. for high and low traction??

Thanks!!!
que pasa señor walter. the stock setup works pretty good for revelation. you can use thicker oil when the traction is really good to help counter traction roll.
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Old 03-29-2005, 11:11 PM   #1919
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Default Re: Re: Shocks

Quote:
Originally posted by jeffreylin
que pasa señor walter. the stock setup works pretty good for revelation. you can use thicker oil when the traction is really good to help counter traction roll.
Thanks Jeffrey, I wanna make sure to have everything correct before I get my kit My WC is comming
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Old 03-29-2005, 11:53 PM   #1920
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Como estas Jeffrey, are you getting a WC also??
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