wheel questions
 

Hey,

Im looking to put some 20inch torque thrusts on my 69. Im looking at the bolt patterns, there all 5x4.5 and stock 5 lug pattern on these c10s at 5x5? I am swapping to 5 lug and I know i can get rear axle shafts in 5x4.5, but what about the rotors? can i get them redrilled? Also do i need to machine the torque thrusts to fit the truck? How do i figure out the backspacing/ does anyone know what the backspacing would be?

thanks