oiling · FF-0046

Does an early Ford Flathead have a rear main seal?

No. The rear main cap is not machined for a seal. Slingers on the crankshaft throw oil outward into troughs in the cap, and it drains back to the pan through a tube. Steve says they leak a little, but less than you would expect.

Expert

Steve Coppock

Evidence

expert attributed

Component

rear main bearing cap and crank slinger

Applicable scope

first-series Ford Flathead V8