Quote:
Originally Posted by bimmer635csi
There was a discussion in another thread where I asked how to compare tires. The response was...
So I did some analysis of Twins that run in the same groups I do. Here are the results.
The calculation is PAX time based (to be able to compare STX and CS in the same chart). Then divide each driver's time by the smallest time to get a factor above the fastest PAX time (i.e. bigger factor is slower driver). As you can see, I improved enormously compared to the group by changing from Prius Specials (orange circle) to Hankook R-S3s (blue circle).
CS John is the benchmark because he is always the fastest of this group of cars (yes, all three dots are 1.00), but STX Chris is also very consistent over these three events.
This just shows how much a tire change can improve your relative results. I still have a long way to go.
If anyone sees any flaws in my analysis, let me know. I can modify it I suppose before I get too deep, but I intend to continue updating this as the season progresses.
For those of you outside of Texas, be advised that it has been VERY HOT at all of these events, so your results may be different on cooler tracks with different tires.
Cheers,
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I guess my question would be, how experienced of an autocross driver are you and how long have you been autocrossing this specific car? Because going from the OE tires to the Hankooks would be a big difference, but getting 3 more drives in the car would also show a big improvement.