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Temp sensor for new heads

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Old Oct 24, 2011 | 09:31 AM
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Default Temp sensor for new heads

I was wondering what your suppose to use on the passenger side head? They both have holes but I only have one sensor for driver side. On the old heads its like sealed shut. Here is a pic of the old passenger side head.

Last edited by CamaroSS27; Oct 26, 2011 at 08:29 AM.
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Old Oct 24, 2011 | 10:03 AM
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youll need to get a plug for the passenger side head. Or run an aftermarket sensor if you have aftermarket guages
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Old Oct 24, 2011 | 10:50 AM
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Awesome anyplace I could get one locally? (autozone, pepboys, ect)
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Old Oct 24, 2011 | 01:14 PM
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I have good news and bad news. Good news is yes you probably can get one local once you know the size and thread pitch. Bad news is I tried to figure that out for two weeks now to do an adapter for my temp sensor sending unit and came up short ( I just tapped the water pump). So I wish you lots of luck on finding out what that is. Do you not have the plug from the old head?
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Old Oct 24, 2011 | 07:02 PM
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Well the old heads only had one plug the other was sealed or something the new heads have two holes for sensors
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Old Oct 24, 2011 | 07:19 PM
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seems a little odd but Ill take your word for it
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Old Oct 24, 2011 | 07:52 PM
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Default temp sensor

Hi I think Street and Performance(hot rod lane .com) sells and an adaptor for a mechanical aftermarket guage for the head, or I think I got an upper hose adaptor from transdapt if i remember correctly.
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Old Oct 24, 2011 | 10:33 PM
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There is an allen head bolt or something plugging that hole. It is likely a 1/4 NPT. Home depot sells brass plugs for a few bucks in the plumbing section. Use teflon tape on the threads to seal them.
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Old Oct 24, 2011 | 11:22 PM
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I wondered if it was 1/4 NPT I bought a 1/4 to 1/8 NPT adapter for my guage install and was going to use it on the passenger head. After about 10 seconds of eyeballing it I decided pulling the water pump and tapping it was a far better idea.
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Old Oct 25, 2011 | 03:21 AM
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It's M10x1.5 I believe. I just got an adapter for my gauge a few weeks ago. I'll check to be sure.
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Old Oct 25, 2011 | 03:22 AM
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No, it's M12x1.5
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Old Oct 25, 2011 | 04:27 AM
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During my head swap the plug on my old head had dirt on it and looked as if it wouldn't come out; but I found and allen wrench to fit it, gave it a good turn and what do you know it came loose. So before you go out searching I would at least look at that old passenger side head again to make sure that block out plug isn't covered with dirt or gunk.
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Old Oct 25, 2011 | 01:00 PM
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Well the pic I posted is the one of the head. It is the big circle thing sticking out on the right. I will try those bolts but is it m12 or m10? lol
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Old Oct 25, 2011 | 02:01 PM
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am i missing this picture somewhere?
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Old Oct 25, 2011 | 11:29 PM
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Um... the pic doesn't work. But the water temp port is M12. At least on my heads that I checked. they are 317s btw
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Old Oct 26, 2011 | 09:06 AM
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I guess the picture isn't working, would this work then I am assuming?
clickme
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Old Oct 26, 2011 | 01:23 PM
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I don't see why not. Just put some teflon tape on it.
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