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Unread 08-08-2009, 07:52 AM   #1
thich
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1982 CJ7 
 
Join Date: Jan 2008
Location: maine
Posts: 215
which temp sensor location?

i was replacing my t-stat the other day and noticed a second (electric) temp sensor before the t-stat housing neck on the top of the block. the PO had the hole in the neck plugged and a crazy collection of pipe fittings attached to a mechanical temp sensor in a box. should i hook up the mechanical temp sensor at the neck and plug the hole where the electric sensor is, or vice a versa? i have no plan to keep the electric sensor, but i would like to know the best place for my mechanical temp sensor.

the Jeep is an 82 CJ7 with a 302 from a 72 CJ5.

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Unread 08-08-2009, 09:16 AM   #2
scottymac62
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1977 CJ5 
 
Join Date: May 2008
Location: Locust Grove, GA
Posts: 1,465
I assumed you meant "304". I put mine where the CTO used to be. Here's a nice picture of the manifold that labels everything. Notice how the EGR CTO port has a mechanical water located there.

http://www.jeepforum.com/forum/f8/76-v8-304-engine-diagram-all-ports-labeled-update-you-wish-455734/
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'77 CJ-5 Renegade 304 / T-150, Dana 20, 30/20 axles, Aussie Locker in the Dana 30, American Racing 15x10 Outlaw II's, 33" Dynapro M/T's" ,Optima Battery, TeamRushed + Summit Racing CDI ignition, FlowKooler water pump, Edelbrock Performer Intake Manifold, Holley 4160 390cfm, Herculiner, Silver Ceramic Coated Hedman Hedders, Flowmaster 40's.
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Unread 08-09-2009, 01:05 AM   #3
thich
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1982 CJ7 
 
Join Date: Jan 2008
Location: maine
Posts: 215
yeah. 304. i was looking at the 302 that sits in front of my jeep when i typed that.

nice pic, but for some reason it looks a little different than mine. maybe its all those silly vac hoses.

i have sensors for both spots. one at the t-stat housing (spark CTO port) and one at the water temp. sensor port




which spot is better?
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Unread 08-09-2009, 02:14 PM   #4
donkey77
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1975 CJ5 
 
Join Date: Feb 2009
Location: canada
Posts: 92
what kind of fitting goes on the water temp sensor
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Unread 08-09-2009, 11:05 PM   #5
thich
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1982 CJ7 
 
Join Date: Jan 2008
Location: maine
Posts: 215
its an electrical connection on what looks like a stud in the pic. just one of those wires with a 90˚ rubber boot.
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