ive got the file open now and am referencing here to know what to fix as i go

ive fixed the issues with the wheels and have grouped eveyting into 4 main materials groups  painted, galvanizes, stainless, and cast

as im working through the various pieces fixing normals i am checking the mesh and making parts into a single object that connect to eachother and do not move

i should have the new file ready sometime tonight withthe uv maps added