bottom end · FF-0147

What stroke and displacement did the French Flathead use?

Their understanding is that all of them used 4-inch stroke crankshafts, like the Mercury crank, with the 239 bore, which makes 255 cubic inches. Ed adds that rod length and deck height are the same as the Ford's.

Expert

Steve Coppock and Ed Smith

Evidence

expert attributed

Component

crankshaft stroke, bore, and connecting rods

Applicable scope

French Ford/Simca Flathead engines as understood by Steve Coppock and Ed Smith