you shoul only need to extend you body to frame grounds. but generally that is only with a big lift
yes a 15 inch wheel WILL FIT a 1998 dodge ram 1500
A 1999 Dodge Ram needs 16 inch or larger wheels.
will a 15 inch rim fit a 1997 dodge ram 1500
yes
17 inch or 20 inch
5x5.5 inch
The 1500 is 5 on 5.5 inch
5 on 5.5 inch
.040 inch
Yes, 17 inch rims will fit.
YES
No, offset is different.