There was the 1969 Ford Mustang Boss 302 and the 1969 Chevy Z28 DZ302, backed up by ardent supporters on both sides who claimed their muscle car was superior.

This 1969 Ford Mustang Boss 302 is powered by a replacement V8, fitted with various aftermarket bits that should make it even more exciting to drive ...

From the January 1970 issue of HOT ROD: Boss 302 engines come in one Ford Mustang wrapper.

Read about the Ford Racing Boss 351 with extremely high grade iron ore, casting from brand new tooling, solid cast cylinder walls, and screw-in freeze plugs, inside Popular Hot Rodding Magazine.

Ford will produce a new line of BOSS 302 crate engines, which will go on sale in early 2007. The automaker also unveiled a custom Mustang at SEMA showcasing the engine, reports Trend. Debuting in 1969 ...