i ride at 600 ft to 3000 ft elevation and i have 6 -1 inch holes in the airbox.i have a 195 and 200 in it now and seems to run like a bat out of hell...but the plugs are kinda white...so i figured it was lean.i have the 840/dyna cdi /muzzypro..maybe i dont need them...but the plugs sure look lean to me.maybe im wrong.maybe someone could give me some pointers on checking the plugs to make sure im doing it right.
Man Im not a pro but I think with out having a full sweep A/F gauge I think you're just treading water. I guess you could get it close from the spark plugs. Good luck in whatever you do bro.
2009 FST 840, Stage 3 cams, MSD, DASA 38mm TB's, DASA Intake, Hand Port and Polished, +1 valves, Muzzy Pro, Dalton, XMF custom 2 seater, bed delete, Twisted Stitch Seats....TBC.