Originally Posted by STE92VE
Also, I took a look around the M3 Challenge forum and it seems fast times are achieved on the GP circuit with 18" wheels where on the Sprint circuit, the 19" are preferred.
That's interesting. I run 18's. I wonder what the advantage is on the Sprint circuit with 19's? BTW the 2:15.2 was a PB and in quali. I generally run 2:16 to 2:17.