machining · FF-0085

Why demagnetize a Ford Flathead block and heads after machining?

Ed says boring and grinding slightly magnetize the block and heads, and fine filings then cling and cannot be blown off. He demagnetizes the parts first, then washes them.

Expert

Ed Smith

Evidence

expert attributed

Component

cylinder block and heads

Applicable scope

any machined engine block; shown on a Ford Flathead