Laguna Seca June 4, 2008
I attended another BMWCCA driving school, this time mid-week at Laguna Seca. The A/B group (I got promoted back to the A group, yeah!) was uncrowded and I had many traffic free laps. Just prior to this event I switched to more narrow tires. From 255s front and 275s rear, to 235 s front and 255s rear. The numbers are the approximate width of the tire in millimeters. That translates to about an 0.8 inches of rubber per corner. I did this because the larger tires were rubbing against the wheel wells and suspension under heavy cornering. While I was quite happy with the setup, the overall stress of monitoring the wheels during events was annoying. The smaller tires had me running almost 4 seconds slower at Laguna Seca yesterday. Some of that time is was the fact that the tires were not shaved and brand-sticker-new. Turn in was a bit squirmy and slow to take a set. I had to completely rewire my turn-in style. With the fatter, mature RA1s I could do a very aggressive turn in and then g...