Quote Originally Posted by Bio248 View Post
are you running intercooled? if so, thats a huge reason why youre able to run so much leaner.

Mine is not lean at 11.6 AFR (my cars NB -910 to 920) and not I'm not IC'd. The differnece is I have the right pulley installed for my mods so I can run an 11.6 w/o KR. With an IC you can go as lean as 12.0.