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What is this?
https://slantsix.org/forum/viewtopic.php?t=16402
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Author:  Josh [ Thu Mar 02, 2006 11:25 am ]
Post subject:  What is this?

What is the little plug bolt that is located about 5 inches below the 5th and 6th plugs on the distributor side of the engine? Is it a place to put an oil pressure sending unit? Or maybe for a temp sensor? I'm at work and don't have any pictures of that side of the engine, so I made this really craptastic mspaint to illustrate what I'm talking about.

http://i9.photobucket.com/albums/a75/ja ... k1/meh.jpg

Author:  CStryker [ Thu Mar 02, 2006 11:40 am ]
Post subject: 

Sounds like the drain plug for the water jacket.

Author:  DusterIdiot [ Thu Mar 02, 2006 2:08 pm ]
Post subject:  Yep...

Quote:
Sounds like the drain plug for the water jacket.
Tht would be the correct answer, and you might need a coat hangar to clear it if the engine has been around a long time....

-D.Idiot

Author:  slantzilla [ Thu Mar 02, 2006 2:12 pm ]
Post subject: 

IIRC, on older blocks there is a plug in the oil galley where they used to put the oil pressure sender.

Author:  Josh [ Thu Mar 02, 2006 2:42 pm ]
Post subject: 

Thanks for the info.

Is '64 an "older block"? If so, it would be nice to put an oil pressure sender in there, but for some reason I am loath to just remove it and see what happens.

-josh

Author:  SlantSixDan [ Fri Mar 03, 2006 7:34 am ]
Post subject: 

Quote:
IIRC, on older blocks there is a plug in the oil galley where they used to put the oil pressure sender.
Yes, but that plug is not in the location asked about.
Quote:
Is '64 an "older block"? If so, it would be nice to put an oil pressure sender in there, but for some reason I am loath to just remove it and see what happens.
Your '64 would have originally had the oil pressure sender in the oil gallery/block location. A 1965 Technical Service Bulletin recommended moving the sender back to its '60-'63 and '65-up location on the oil pump to obtain more accurate and faster oil pressure readings. There's no benefit to the block location for the sender.

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