If you lightly scuff the surface with some coarse steel wool then apply the stripper it will go very fast , clean off the stripper with more coarse steel wool after the paint has lifted then wash the bare metal down with cheap laquer thinner . Use aircraft paint stripper or similar type at most hardware stores . Do not use the most inexpensive stripper . It will slow you down . Steel wool is cheap . Keep a bucket of clean water near you in case you get some stripper on you to wash it off . I guarantee it will happen . the laquer thinner can degrease and remove paint residue also as you are wiping the frame down . I have prepped hundreds of vehicles and motorcycles useing these products and it worked every time .