well, here's an idea. you could redrill you axles and drums to BBP by a professional and keep your current wheels and fix the issue. that's the cheapest route that I can think of
great advise here! i ordered a set of moser axels for 335 bucks and had them make the standard offset small bolt pattern flange with the big bolt pattern drilled in them. then i just marked and drilled the stock brake drums with the new pattern. the center register on the axle locates the drum.