if so don't bother
Well, that is one view. Easy out, "if one things wrong, why bother trying..."
A reason you have people with cars that are very nice, but totally incorrect.. which many think are "all original" (the body shape is close) as the judging sheet show no deductions...
A term that is fast losing meaning as the standards keep slipping to accommodate body count in the hobby by supporting RHD, cheaper restorations, "its too hard", and the preference for billet/go fast parts as "acceptable alternates" in the original classes...
s_m, PM me I may have a few bits you need for a '67 smog system...