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Old 03-03-2016, 12:12 AM   #1
Mrturner1
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What screws in passenger side of block?

I was filling up with water to start new build and water came out this hole. Can somebody tell me what goes here? And what size, it's really close to the header flange so does it thread in past flush with the block?
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Old 03-03-2016, 12:26 AM   #2
60case
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Re: What screws in passenger side of block?

Hole is for temp sender. Looks like 3/8 pipe thread
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Old 03-03-2016, 12:35 AM   #3
71swb4x4
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Re: What screws in passenger side of block?

You can plug it if you aren't using it. Well that's kind of silly for me to say, I guess you either plug it or you ride around on the core support pouring more water into the radiator as you drive down the road.
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Old 03-03-2016, 09:32 AM   #4
snipescastle2
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Talking Re: What screws in passenger side of block?

I believe that's 1/2" pipe threads on those holes...
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Old 03-03-2016, 11:04 AM   #5
chiefcfd
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Re: What screws in passenger side of block?

Passenger side hole is a plug only. Temp sensor should be on drivers side. Mine has female hex head plugs.
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Old 03-03-2016, 07:18 PM   #6
hugger6933
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Re: What screws in passenger side of block?

Get those plug wires off the header before you ruin the MSD wires and your day. Jim
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Old 03-03-2016, 07:39 PM   #7
swamp rat
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Re: What screws in passenger side of block?

Temp sensor installs on driver side, NPT plug on passenger side
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