In the truest sense of the word, no automobile engine actually has a fully hemispherical combustion chamber. However, according to the looser hemi definition, the Ford Boss 429 engine is ...

That couldn't be truer than with the legendary Boss 429 Mustang and the semi ... The biggest difference is the combustion chamber de-sign. The original Ford head got its semi-hemi nickname from ...

While both 429 engines offer the same displacement ... free-flowing intake and exhaust ports and Ford's take on the hemispherical combustion chamber design. The Boss 429 was designed for high ...

It’s not always about the Coyote or pushrod stroker engines here at Mustang-360. No, we’re fans of old school displacement too and there’s nothing like the sound of a Ford big-block with a ...

When Ford requested a judge dismiss Lyman, et al., v. Ford Motor Company, it made two seemingly contradictory statements. It ...

Ford introduced the 385 big block V8 engine series in the late 1960s ... were housed in free-flowing cylinder heads with smaller combustion chambers. The smaller chamber heads raised the ...

That couldn't be truer than with the legendary Boss 429 Mustang and the semi ... The biggest difference is the combustion chamber de-sign. The original Ford head got its semi-hemi nickname from ...

Ford unveiled the Boss 429 in 1969 after NASCAR ... valves cut in on the hemispherical chamber-were practically junk but also the prize of the entire engine. By far the most manhours involved ...