little help

[thack]

ok ive got a 2 into one pipe anr 2into 1 carb lid off 33pwk runnig a 150/45 center clip on needle 2 1/4 turns on piliot ,my problem is in higher gears mainly when i shift in to 6th it doesnt want to rev ,also does this climbing hills when i hit 2nd gear like i said it just wont rev,on flat ground it pulls hard until 6th gear ,i ve read and read on here,and one post sound like its fat another sound like its lean ,my buddy says lean what do you guys think

[twincylinder]

Well if it dosent want to rev i woudl asume that it be rich.