It could have a limited slip rear end.
Yes
There wasn't a 1998 Dodge Ram 1500 diesel.
No.
No, the 1994 has a hydraulic governer. The 1998 has a electrical governer.
No.No.
yes a 15 inch wheel WILL FIT a 1998 dodge ram 1500
Yes they will bolt up.
No!
A 1998 Dodge Ram does not have EGR.
Yes but the gears have to be changed
The automatics are not interchangeable.
265 70 17? if Yes, then yes