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Matts30coupe · 02-03-2020, 08:42 PM

I just recently bought a late 1929 long block from a local old timer. I am building it to put in my 30 coupe due to the existing motor having poorly repair freeze crack...

While cleaning this new motor, I noticed two steel "plugs" which almost look like a ass end of a .45 cal. The plugs are drilled to go into the water jacket. They are located above and between 1 and 2, 3 and 4 cylinders drivers side of the motor. Is this a stock plug to block a hole when machining? Or is this something that someone did later down the road to drain? Or....

Matt

02-03-2020, 08:42 PM	#1
Matts30coupe Member Join Date: Sep 2019 Location: Chicago Burbs Posts: 46	Freeze plug or ? on my NOV 1929 motor I just recently bought a late 1929 long block from a local old timer. I am building it to put in my 30 coupe due to the existing motor having poorly repair freeze crack... While cleaning this new motor, I noticed two steel "plugs" which almost look like a ass end of a .45 cal. The plugs are drilled to go into the water jacket. They are located above and between 1 and 2, 3 and 4 cylinders drivers side of the motor. Is this a stock plug to block a hole when machining? Or is this something that someone did later down the road to drain? Or.... Matt