Hasselback's "Lets try this again" CJ7 build - Page 22 - JeepForum.com

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post #316 of 853 Old 06-14-2013, 04:20 PM
lucdog
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1980 CJ5 
 
Join Date: Jul 2006
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Of my factory gauge showed that hot on my 304 I'd pull over and check things over.
My first suspicion would be the aftermarket speedo cluster/gauge, if that's what you have.


1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #317 of 853 Old 06-14-2013, 05:09 PM Thread Starter
hasselback
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Location: Rockton
Posts: 987
The speedo cluster is original, just the fuel and temp gauges are new from crown. I also got a mechanical gauge coming off the other side of the intake, which isn't registering anything. It's weird!

1984 CJ7 I6 258 Bone stock
"Screw the brakes, just make the horn louder!"
My build thread

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post #318 of 853 Old 06-14-2013, 05:58 PM
lucdog
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Quote:
Originally Posted by hasselback
The speedo cluster is original, just the fuel and temp gauges are new from crown. I also got a mechanical gauge coming off the other side of the intake, which isn't registering anything. It's weird!
Did you put the mech. Gauge in a intake runner?
I should have been more specific regarding the cluster. 198* I don't think would be to warm either.

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #319 of 853 Old 06-14-2013, 06:08 PM Thread Starter
hasselback
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The mech gauge has been in the same hole for ever, one of the thermal vacuum switch holes, and it did work, and always ran 195 to 198. For some reason though it just quit. There's no calibration to a new electric temp gauge is there?

1984 CJ7 I6 258 Bone stock
"Screw the brakes, just make the horn louder!"
My build thread

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post #320 of 853 Old 06-14-2013, 06:13 PM
lucdog
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Quote:
Originally Posted by hasselback
The mech gauge has been in the same hole for ever, one of the thermal vacuum switch holes, and it did work, and always ran 195 to 198. For some reason though it just quit. There's no calibration to a new electric temp gauge is there?
Probably no calibration. Except bending the needle. You might send a PM to John S. and ask him.
Ha, just like everything else, things wear out.

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #321 of 853 Old 06-14-2013, 06:38 PM Thread Starter
hasselback
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Join Date: Aug 2010
Location: Rockton
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This is what it's at after running for 15 minutes. The new electric gauge went up like in the last pic, and held there. Didn't get any hotter. I pulled the radiator cap right after I shut it off, and there was no pressure behind it though.
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1984 CJ7 I6 258 Bone stock
"Screw the brakes, just make the horn louder!"
My build thread

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post #322 of 853 Old 06-14-2013, 08:16 PM Thread Starter
hasselback
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Well I took it for for a 2 mile ride up the road and back, got it up to 35 MPH, and the temp never got any hotter, plus, I put about 3 gallons of gas in it, and the gas needle moved, but just up to empty. Might have to bend the needles a little bit??

I also started painting the hood tonight. Gonna get that put on tomorrow, as well as the rear bumper and tire carrier, so at least cosmetically, it will look done!

1984 CJ7 I6 258 Bone stock
"Screw the brakes, just make the horn louder!"
My build thread

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post #323 of 853 Old 06-14-2013, 08:55 PM Thread Starter
hasselback
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Quote:
Originally Posted by hasselback View Post
Got the temp gauge working, but I'm concerned I'm running a little hot, or is that needle position normal for a 360? I stuck a thermometer in the radiator after I shut it off, and it was at 198 degrees.
And technically, It's between the two lines, still in the green area, so it should be good, right?
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post #324 of 853 Old 06-14-2013, 09:06 PM
lucdog
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I should have answered your question better. No, that is not the normal position for any Jeep engine. Be it a I6 or a 401.
My only concern on the needle position would be how much higher is the sweep of the needle, if it does overheat.

I also have to think the electric sending units are going to be the same between a I6 and a V8. I doubt AMC put a different gauge in the speedo cluster, if they came with a 4,6 or 8 cyl.

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #325 of 853 Old 06-14-2013, 09:31 PM Thread Starter
hasselback
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Thermostats are cheap enough, so I think I'll start there, even though I replaced it already last year sometime. The water in the radiator still was only at 185 at the warmest though.

1984 CJ7 I6 258 Bone stock
"Screw the brakes, just make the horn louder!"
My build thread

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post #326 of 853 Old 06-14-2013, 09:39 PM
lucdog
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I'm not a fan of replacing parts that are working. I would replace the Mech. gauge thou. If you do replace the thermostat, put in a failsafe one.

Bill

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #327 of 853 Old 06-14-2013, 09:57 PM Thread Starter
hasselback
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Posts: 987
I'm planning on doing away with the mech gauge, that's why I'm trying to get the electric one working and reliable.

1984 CJ7 I6 258 Bone stock
"Screw the brakes, just make the horn louder!"
My build thread

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post #328 of 853 Old 06-14-2013, 10:18 PM
lucdog
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O

For what it's worth, the factory gauge in my DD 304 runs a little to the right of center. I did think of a possible problem with bending the needle. Somewhere in the gauge there is most likely a stop, maybe a pin or something similar. If this is the case, It may not peg the needle if the engine overheats.

Before I changed anything I would find out how the sensor in the manifold works, I'm sure there is a way to check them.

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #329 of 853 Old 06-15-2013, 06:02 AM Thread Starter
hasselback
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Location: Rockton
Posts: 987
Might try pulling the sensor out, attaching a ground wire around it, then sticking it in a pot of boiling water to see if that pegs out the gauge.

1984 CJ7 I6 258 Bone stock
"Screw the brakes, just make the horn louder!"
My build thread

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post #330 of 853 Old 06-16-2013, 05:50 PM
titanjeep
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Location: Colorado Springs
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Quote:
Originally Posted by hasselback
Got some brand new furniture for the Jeep today. Got the front seats installed, but for some reason the passenger seat sits a little higher than the drivers seat, and I can't figure out why, and it's driving me nuts now! All I can think of is that I don't have sliders under the drivers side?
Those are nice looking seats. What brand are they?

Air Force Jeep Club - Tail# JF183RV
2003 KJ
1980 CJ5
1988 Wagoneer
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