Originally Posted by OptionZero

Just reading through some diff threads for other platforms

BMW M3 crowd has a guy that is a diff expert, tests off the shelf and builds custom setups.

consensus from track crowd was that OS Giken did not lock hard enough out the box and needed to be upgraded to more aggressive specs

interesting because I had not heard that from z34 track guys - who, to be fair, may not be putting out the same power