It sounds like you are now running the RED cam and the .045 nozzle. If this fixes it when it is hot outside, then once the temps cool down you will be looking for more of a pump shot. Keep in mind that you need the hollow squirter screw when using above apx the .040 size squirter.

I would test the bigger/longer cam that is ORANGE with your .045 nozzle. If you see black smoke, then go back down in squirter size to around the .035. Then if that .035 works in the hotter air, then you can just put the .045 back in when the temps drop down.
If the ORANGE .045 works good, then you can test the largest of the 30cc cams (BLUE) with the .045's. Work your way up gradually until you get the feel that you are after.

I would also take the advice from above and check your cruise vacuum reading. If is in the mid teens or higher, then I would suggest the 10.5 standard flow PV. If that helps, then there is also the 10.5 High Flow too.