valvetrain · FF-0072

Why does Ed drill holes in the lifter gallery of a Ford Flathead?

Two reasons: the holes let splash oil reach the lifters a little better, and each one gives a place to put an Allen wrench to hold the lifter while the valve is adjusted.

Expert

Ed Smith

Evidence

expert attributed

Component

lifter gallery and adjustable lifters

Applicable scope

Ford Flathead V8 with adjustable lifters