THE PORTERFIELD BRAKES
SINGLE NATIONAL/ DOUBLE REGIONAL
AUTO CLUB SPEEDWAY
JANUARY 23-24, 2010
SANCTION #: 10-N-889-S/10-R-890-S, 10-R-891-S

GROUP 6
GT1, GT2, GT3, SP, GTL, STO, STU,
EP, ITE, RS, HC, SP, ASC,
Mazda GT2
SATURDAY SUNDAY

GROUP 7
FA, FB, FC, FE, FM, ASR, CSR, DSR, S2000, CS2000
SATURDAY SUNDAY

GROUP 8
ITA, ITB, ITC, ITS, ITR, AS, SSB, SSC,
ST, T1, T2, T3, SPEC 944, HP, FP
SATURDAY SUNDAY

GROUP 9
SRF, FV, FST, FF, CF, SF, F500
SATURDAY SUNDAY

GROUP 10
SM, PRO 7, SRX7
SATURDAY SUNDAY