ok my motor is bored .020 over dune/aggressive trail P&P head milled .020 toomey full exhaust CFM airbox and v force 3 reeds. im looking for a new carb and found 2 carbs one is a 28mm pwk and the other is a 30mm pwk which do you guys think would work the best. i was thinking the 28mm. im going to get one of them i just want to see what you all think. yea i know i spelled carb wrong in the title.