From the SCCA-DMOD-EMOD yahoogroups email:
I believe that the 2008-2010 SS/TC is direct injection?
If not, never mind!
There has been a big discussion on that group about FI vs NA in the DMod class and this was just posted.Do a Google search on LSPI. That's Low Speed Pre Ignition. Apparently it's killing a few GM GDI Turbo engines. A new Grade of oil is on the way to help.
I believe that the 2008-2010 SS/TC is direct injection?
If not, never mind!