For hands-on inspections of pre-owned F-150s, Mustangs, or Explorers with vetted engines, check Indy Auto Man's Ford ...
Good cylinder heads are necessary to the production of serious horsepower, but what exactly constitutes a "good" cylinder head? Typically, we identify them with big, impressive flow numbers.
Ford fans do not argue about much more fiercely than they do about pushrod versus modular V8s, because that split defines not just different engines but different eras of Mustang and truck performance ...