Strange as most places I looked they all had the F jet larger. Apparently the 2nd stage NOS jetting chart had them square, the third 5 sizes smaller for F jet. Most reckon up to 8>10 sizes smaller for F jet, that would be at 6psi I reckon and how good delivery is, the fuel your using and how much you take out as once you start getting into a real "clean" hit timing is more important than fuel delivery. If your lean with the combo it will just not make the power, if your too hard up on timing it'll first do a plug if your lucky and then a piston/s. But don't let all that concern you too much as at your level (150 max) its not going to happen, I'm talking about 250+shots.
