anyone know of a company that sells a bull bar or brush guard of any sort that will fit a 78 f-100? Or am i better off adapting or modifying one to fit or making my own?

 

try LMC truck, ACME truck catalog, JCW, 4 wheel parts.com, or visit one of their billions of stores.the advertisments in petersons 4 wheel and ofroad seem to be pretty helpful when trying to find parts and parts catalogs for 4WDs.