wheel width question..... please help me... thanks

96 sonoma- wanna put 17x7.5 with 4.2 inches of back space in front and 20 x 10 with 4.95 back spacing going on a fully bagged bodydropped truck with with air ride up and lower control arms and a road grater system in the rear.... so all wheelwells will be cut.... just wondering about the width between the fender and the hub where the wheel mounts(from the back spacing to the fender) which should leave 3.3 inches in the front and 5.05 in the rear.....will these fit with everythinggutted without hitting the fenders? ..... thanks in advance