camber correction doesnt really help prevent rubbing. It just adjusts the wheel's camber so the tires are more upright and wear out evenly. For sure, 1.85 inch drop with +42mm offset is going to rub. That is a hands on experience that ive had.

and for 6thgenaccord01, Damn, u must be loaded up the a$$ to be able to afford 18" Rays engineering wheels.....i envy you anyways, as jschmid said, go with a higher offset. I know volk makes rims with 45 offset for every wheel so try to stick to +45mm offset. And also, make sure to post pics of the 18" volk wheels on ur accord. Im sure many are dying to see that. Good luck.