History of the Boss 302 and Boss 429 Mustang
In 1967 the first big-block Mustang was introduced, the S-code 390 which was rated at 320 hp. This Mustang was not able to compete with the hot new SS 396 Camaro , so in 1968 the 428 Cobra Jet engine was introduced, giving the Mustang true muscle car status, but then why stop there? In February 1…