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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

239 Y Block Water Pump

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Old Jan 24, 2016 | 08:37 PM
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From: Ridgefield, Washington
239 Y Block Water Pump

On the water pump there is a 3/8 threaded plug.


1. What is it for?


2. The plug is rather hollow.


- If I replace the plug, does it have to be the same type of plug with
with the hollow center?


- The head of the plug is rounded off and I want to replace it with
a longer threaded bolt for attaching a bracket.


- Am I going to be able to find a bolt with the same thread type?
 
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Old Jan 24, 2016 | 11:21 PM
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From: Walla Walla Washington
I looked up pictures of Y block water pumps and there seems to be a couple of styles, one for trucks apparently has a heavy mount with two holes off to the side, the standard type does not have anywhere that I could see where your plug would go...unless it is the female pipe threads for the heater hose nipples. And 5/8 hose usually uses a 3/8 pipe thread. Do you have a picture of the location?
 
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