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10-31-2020, 07:19 PM
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#1 |
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1965 Chevy C10, 2005 4.8L/4l60
 
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Drilling Temp sensor
I need some info on drilling the passenger head for the stock coolant sensor.
Thanks in advance Posted via Mobile Device |
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10-31-2020, 07:35 PM
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#2 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: Drilling Temp sensor
What do you need to know? This is what I use. Theres pics of it in my rusty 71 thread, post 26.
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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10-31-2020, 08:30 PM
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#3 |
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Post Whore
 
Join Date: May 2015
Location: Alabama
Posts: 14,670
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Re: Drilling Temp sensor
I use the same...I've also done 3/8npt as well...
As far as what to do...remove the plug that's in the head...coating the drill and tap with grease will help with keeping shaving out of the head...I usually do mine on a engine stand where I can tilt it over..if I can do that I dont use grease on the drill..after drilling I use the shop vac to get the remnants outs..but I do grease the tap...
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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11-09-2020, 12:55 PM
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#4 |
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Registered User
Join Date: Feb 2016
Location: Portland OR
Posts: 154
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Re: Drilling Temp sensor
You don't need to drill the head, there are adaptors. You need a M12 1.5 to 3/8 NPT adaptor and the stock temp sending unit will thread in. Takes a bit more clearance is the only difference.
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11-10-2020, 12:28 AM
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#5 |
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Senior Member
Join Date: Mar 2017
Location: yucca valley
Posts: 271
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Re: Drilling Temp sensor
Just drilled my p.s head for the factory sensor . Went easy and smooth as the other guys have said.
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11-10-2020, 10:43 PM
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#6 |
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60-66 Nut
 Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: Drilling Temp sensor
If the engine is out and on a stand, I see no reason to not drill and tap the head to accommodate your factory temp sender. An adapter is not another point of a possible leak and the sender may not read quite accurately. Just my .02
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