73 duster 17" or 18" wheels ?

1972 Duster /Demon Stock front suspension

FRONT
(Mounting Surface to Fender Lip 4.75") Check Yours!
Wilwood Brakes will shorten this to 4.50"

*18x10 Rim w/ 25mm Offset
(.9” from fender lip) IDEAL
Will take a 255-265 Wide tire

**18x10 Rim w/ 35mm Offset
(1.275” from fender lip)
Will take a 255-285 Wide tire

***18x10 Rim w/ 12mm Offset
(.22” from fender lip) TOOCLOSE
Will take a 245/40/18 Wide tire TOO NARROW FOR WIDE RIM


REAR
(Mounting Surface to Fender Lip 5.5"(1.5” wide lip) ) Check Yours!
(Mounting Surface to Leaf Spring 5.875") Check Yours!
=11.375" space or ~10" widerim
3/16” or 4.76mm Offset to position rim to center

*19x11 Rim w/ 15mm Offset (Seems to be standard by a lot of manufacturers)
(Trim rear fender lips by ½”to ¾”) If they are 1 1/2" wide Fender Lips now!
.653 Rear Wheel Spacer on15mm OS Rims)
Or Trim Rear Lips to ½” wide andZERO offset on 11” wide rims

Or buy the MiniTub and Spring Relocation kit from US Car Tool To increase the 5 7/8" to 7 7/8" , then trim your rear fender lips to about 3/4" wide and you can fit a
335/30/18" Tire on a 18x12-45mm Offset Rim
or
305/30/18 on a 18x11-20mm Offset Rim

You can fit an 18x10 rim on the rear with a 285 width tire with almost no modifications.