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      01-19-2009, 09:40 PM   #1
SpeedballTrix
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Question Any hard numbers from a 135 with proper tires?

As the title says, Im looking for hard numbers (drag strip, track time, GTech, RaceLogic, etc) indicating the improvements in performance of the 135 when fitted with proper tires. By proper tires I mean anything non-runflat and performance.
Preferaly street tires, but numbers pertaining to Drag Radials or R-Compounds are cool too.
Preferably a direct before and after as in: "My car ran XX.XX on the stock tires and then I put Pirellis on it and no other mods and it ran a YY.YY at the same strip/track" or even "GTech said I was doing 0-60 in X.X with the stockers and Y.Y with these new tires".
Ideally Id love to see an actual skidpad number, since this seems to be the test of a cars performance most directly affected by tires.
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      01-19-2009, 11:50 PM   #2
J Tyler
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With the Berk Technology 135i, we saw an improvement of about 2 seconds per lap at Buttonwillow Raceway when going from the runflats to Toyo R1R street tires.

We are now running 2:03's at Buttonwillow on Dunlop Direzza Star Spec street tires. To put that time in perspective:




Driven by Steve Millen:
Corvette Z06 = 2:01
Lotus Exige S = 2:04
997 GT3 = 2:01
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      01-20-2009, 07:08 AM   #3
atr_hugo
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How's the car through Riverside (decreasing radius corner)?
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      01-20-2009, 08:03 AM   #4
ssabripo
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do you have a bigger, more complete list, of the cars that have been tested in there? would love to see how it stacked up against other cars as well.

thanks
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      01-20-2009, 03:51 PM   #5
J Tyler
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Quote:
Originally Posted by atr_hugo View Post
How's the car through Riverside (decreasing radius corner)?
Berk will be posting a video from our recent competition there soon. Hopefully sometime today or tomorrow... check back for it soon :wink:

Riverside is actually a pretty constant-radius corner (the picture is drawn wrong). It's about a steady ~95mph at the limit in our car.
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      01-21-2009, 08:32 PM   #6
SpeedballTrix
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Awesome.
That's exactly what I'm looking for.
Thanks a bunch!

Anyone else have any solid numbers like that post em up =D
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