just wondering

[stupid driver]

ok, i took out the choke, and put 2 2x2 inch holes in my airbox. i think im runnin lean now. im stock except for those 2 mods i did. im at 1000 ft sea level, and im just wonderin, wut jets do i need?
should i stay 148 and just turn out my mixture screw and lower my clip? if so, how do i lower this damn clip? thanks