identification · FF-0003

How can I distinguish a 1949–1953 Mercury Flathead crank from a Ford 8BA crank?

Steve compares the Mercury four-inch-stroke crank with the Ford 8BA 3.75-inch-stroke crank and explains why the Mercury part is valued by builders.

Expert

Steve Coppock

Evidence

expert attributed

Component

crankshaft stroke

Applicable scope

1949–1953 Mercury four-inch-stroke crank; Ford 8BA 3.75-inch-stroke crank