I have 71 Chevrolet 3/4 ton 8 lug16.50. Rims.found out they don't make them anymore.what do I do to change them to 16 in ton
16.50 inch to 16in .rims and tires.tires on it now r
really weathered.but tread is still good.can I put an
Inertube. ,like the good ole days.also they don't
make regular gas.anymore.should I continue to
add gas treatment and adatives?