eskies with body drop

i was wondering if i will need to tub my fire wall for 17" escalade wheels of if i can just hammer it back some. and also if it is a must to move my clutch master cylinder o-yea it is body dropped to the rockers if so any info would be great thanks

mines 3 inches wiht 17s on some tire. 225/ 40 or 45 series ( im at college and cant remember off hand lol). i had to tub the firewall but its right at clutch master. the wrong angle with lay of land and it may rub some but overall im ok. with a lo pro you should be fine.

thanks man