shit thats funny mine runs like crap up there 2 . i had 330 mains 55 pilot could bearly keep it running. I think mine was dumping 2 much gas so i dropped 320 - 40 , the elevation is about 1100 at the bull gap hill climb according to the michigan topagraphical map . We took the a trail A an got away south an southeast towards southbranch,lower elevation it started running relly good but rich well thats my 2 sence