Autocross classes?
Originally Posted by EVO8LTW
Jack, was there an SEB interpretation on the BOV specifically? I must have missed that. In general, you can't update/backdate individual components of the engine. It needs to be the whole thing or nothing.
Compressor bypass valves (CBV’s) may be updated or backdated independently of the other components of a turbocharger system.
I believe this rule was new for 2003, and was lobbied for mainly by DSM owners; the 2g DSM BOV pretty much sucked compared to the 1g DSM BOV, so they got the rule added to allow independent BOV update/backdate.







