The 027B is our fastestmap with MR9 and no air cleaner....this is also our suggested FAST set-up.
The -027D is a street map....smoothest with pump gas and air cleaner installed....also about 7-9 hp down from the above set-up.
Bryan's personal Busa ran 9.27@150 stock engine (never on our dyno-just 027B installed), stock wheelbase, air shifter with a 165lb rider at kil-kare (1000 ft above sea level)
Our fastest flyweights will run teens set up this way at sea level.
I hope this helps.
Brock
