Yes. I once broke valve spring(s) during a run at a hill climb. If engine didn't semi seize, chances are the piston will "polish out". To check if individual valves are bent, roll them on a sheet of glass. Check cam lobes and followers/post heads to be sure followers didn't come off and do any damage.
As for worrying about "genuine Ford" (above), the last time Ford probably made valve springs was when Model Ts used hairgrip type?
As for worrying about "genuine Ford" (above), the last time Ford probably made valve springs was when Model Ts used hairgrip type?
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