it depends where the popping sound is coming from it could be the steering shaft if it sounds under the steering column if not check your suspension inner and outer tie rods idler arm for excessive play
yes
No
if the 98 full-size is 4x4 1500, and the 2003 f/s is 4x4 or 4x2 1500 - yes.
My dad has a 2006 Chevrolet silverado 1500 and he has 22" rims but they are low profile tires.
You need to check the u joints at the front wheels.
215 at the flywheel...185 at the wheels
does the sound come from the engine,or the radio???
From my understanding H3 wheels are the same 6 lug patter as say a Chevy 1500 or a Tahoe
You need to check the u joints at the front wheels
Most are 16x8 but an ATX AX195 CORNICE 16x9 will fit.
You need to replace your booster.
catalytic conveter maybe