1969 Ford Mustang BOSS 302 How to tell if it's real, codes, numbers, specs, facts! Buyer's Guide

Mustang Red Book: https://amzn.to/3PGMDob Is it a real Boss 302? How to tell? Where are the numbers on the engine, transmission, rear end? VIN locations. What should the VIN be? Buyer's Guide for 1969 and 1970 Ford Mustang Boss 302.