How much does 1 jet size affect A/F?

No it's a 360 below are the engine specs.

I'll play around with it a bit more tomorrow and see what she does.
Tinker tinker tinker LOL.

engine specs:
360 LA engine, not sure what cam (told it was RV cam) with solid lifters, RPM airgap intake, stock manifolds with 2.25 inch dual exhaust with H pipe. Cleaned up J heads (slight port and polish), flat top pistons and a 650 AVS thunderseries carb backed by a 727 transmission with stage 2 transgo shift kit and 8.25 rear with 3.23 suregrip.