SCCA FasTrack News October 2012 Page 3

The CRB recommends the following in an effort to provide additional flexibility for participants running SIR engines: Add 9.1.2.F.4.k:
K      GTLite Rules Concerning Alternate Weights and SIRs
1. Allow currently restricted 2V and 3V engines <1400ccs to run unrestricted at a 100 lb weight penalty.
2. Allow all 2V and 3V restricted engines less than 1600ccs to run 1mm larger SIR as an option at a 125 lb weight penalty.
3. Allow all 4V restricted engines less than 1600ccs to run 1mm larger SIR as an option at a 175 lb weight penalty.
4. Competitors running the alternate SIR must display “+1mm” on the side of their car next to their new weight.
5. Competitors running the unrestricted option must display “UNR” on the side of their car next to their new weight.
6. Limit compression ratio to 15:1 for SIR restricted engines effective 1/1/2014.