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| cylinder block drain plug https://www.slantsix.org/forum/viewtopic.php?t=57137 |
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| Author: | sixsignet [ Fri Feb 20, 2015 7:52 pm ] |
| Post subject: | cylinder block drain plug |
What thread size is the cooling system's cylinder block drain plug? I am working on a 1966 block, and I want to replace the plug because it is pretty rounded-off. |
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| Author: | sixsignet [ Fri Feb 20, 2015 8:54 pm ] |
| Post subject: | |
NPT ? |
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| Author: | slantzilla [ Sat Feb 21, 2015 4:35 am ] |
| Post subject: | |
I have blocks with plugs from 1/4" pipe to 1/2" pipe. You'll just have to get it out and see. |
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| Author: | nm9stheham [ Sat Feb 21, 2015 8:02 am ] |
| Post subject: | |
I believe that my '62 is 1/2" NPT. (I can just get my index finger through the hole, and 3/8" is too small.) |
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| Author: | mfdu [ Tue Jun 23, 2015 5:03 pm ] |
| Post subject: | |
Is it possible to get at the block drain plug while its in the can? Can someone post a pic of where it is? I want to put a temp sensor in there for a thermo fan to replace the stock unit. |
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| Author: | Pierre [ Tue Jun 23, 2015 5:11 pm ] |
| Post subject: | |
Not a good place for coolant temp sensor - It's about half way through the coolant path and will measure colder. You want it as close to the thermostat as possible to measure the highest temp. It's about half way between the oil pump and transmission on the side opposite the manifolds. You can reach it easily on US cars. With your steering stuff there, I can't be certain. |
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| Author: | nm9stheham [ Wed Jun 24, 2015 8:06 am ] |
| Post subject: | |
^^^ As above, it is a low flow area of the block and the coolant temp there could be well below the rest of the system's temperature. |
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