Think its the other way around Alex,

For a give rpm, the wheel rotates further with a bigger circumfrence hence you travel faster.

Also, its not as simple as that. As the tyre is effectively flat on the bottom with the car weight on it, the radius changes, and so the calculation needs to be redone.

using the Perth-WRX mobile app

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Race Torque Dyno 399 NM, 248Kw @ 20PSI

Straight roads are for fast cars, twisty roads are for fast drivers. I have or am neither.

http://tttmsp.smugmug.com/

Nope. He was right.

Its all in the wording, alex explained it relative to speedo reading, not actual road speed.

A SMALLER tyre will make the SPEEDO read HIGHER at a given road speed.

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Doing it for all the wagons out there

Haha, don't start on flat bottom tyres n shit.
Tyre pressures are also an influence.
The current location of Pluto relative to the Earth also needs to be factored in…

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[COLOR="Blue"]"Your car positioning and awareness is f*ing bang on. And like, every single time.
In terms of getting that close to the bollards, Ive only been with one other person that can drive like that" –Franz[/COLOR]
[SIGPIC][/SIGPIC]

As pluto isn't a planet its superfluous.

But the amount of rubber on the ground providing grip isn't.

using the Perth-WRX mobile app

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Race Torque Dyno 399 NM, 248Kw @ 20PSI

Straight roads are for fast cars, twisty roads are for fast drivers. I have or am neither.

http://tttmsp.smugmug.com/

Anyone run Federal 595-RS-RR's as street/performance/track tyre? Need a new set shortly. Obvoiusly everyone jerks off to AD08R, but checking the market etc.

Marketing Hype:

The 595 RS-RR, proven on the renowned Tsukuba Circuit in Japan, is the exemplary result of international R&D cooperation. Evolving from the legendary 595 RS-R with the aggressive, inferno shape tread design and high-grip compound, it delivers extraordinary handling and cornering ability and enables drivers to experience unprecedented speedy ride experiences.

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Should have bought an STI

Send saint a PM as he runs them.

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The one perkent...

They are ok for a short rallysprint, or sprint series type of thing.
They overheat after 2 or 3 laps at barbs and get squirmy.

They are cheap but they do an ok job, but they will not compete with the yoko's and the like.
I find the limit of them quite easily, and wont be getting them again.

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[COLOR=RoyalBlue][B][I]Titanium Reinforced[/I][/B]
MY00 Impreza WRX | MY11 Liberty GT Premium[/COLOR]

Good feedback, cheers

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Should have bought an STI

Any recommendations on tyre suppliers SOR, given I have used TOYO R888 before I'm leaning that way again unless somebody has any recommendation. The car is destined for targa west and will more than likely be close to the rear so not searching for super grip that falls off too quickly.

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1980 MK2 Ford Escort RS2000
1979 MK2 Ford Escort RS1800 GRP4 spec historic rally car.
1998 GC8 WRX Tarmac rally car

Are the new version of the r888's out yet?

I was pretty happy with the Hankook z221's in a medium compound. They should suit targa as they hang on really well once they come on.

Try John Fowler or Kostera's.

https://www.google.com.au/url?sa=t&r...xxy95E_hqfsPaw

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Bye bye betty blue. Hello F6.