performance · FF-0071

Why plug the exhaust-heat passages under the carburetor on a Ford Flathead?

Ed drives 5/8-inch freeze plugs into the passages so exhaust no longer heats the carburetor. He says the heat is not needed where he builds because it is not cold weather.

Expert

Ed Smith

Evidence

expert attributed

Component

intake exhaust-heat passages

Applicable scope

1953 Ford Flathead build shown by Ed