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15-09-2013
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DetroitDemon
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Question
Gday peoples.
I'm having trouble finding adapters to suit the senders for my temp gauges. Being mechanical gauges the senders are quite large.
I was wanting to know, if anyone knows if the top heater hose would be a satisfactory place to read the engine temp from??
If the coolant flow circulates through top and bottom hoses all the time, I would assume yes.
Although if it only flows when the heater tap/valve is opened then, no, not so.
cheers
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15-09-2013
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Grumpy Old XJ Dsl Owner
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When the heater is off, there will be no water flowing so it will not give the correct temp. You need to find a plug in the head, preferably down the back of the head.
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15-09-2013
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DetroitDemon
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Quote:
Originally Posted by layback40
When the heater is off, there will be no water flowing so it will not give the correct temp. You need to find a plug in the head, preferably down the back of the head.
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Not so easy, unfortunately. The sender in the head is, I think, 1/8 BSP. And used. The other is in the thermostat housing and it too is used. i'm currently using a upper radiator hose adapter but, it also is 1/8 BSP.
The nut on the thermocouple on these mechanical gauges, is I think 1/2 BSP. Plus the size of the thermocouple itself. 10mm dia x 40mm length.
Then the way it seals. The nut seals by sandwiching a flange on the thermocouple between the nut itself and the bottom of the port.
like this...
I didn't think this through very well, did I???
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15-09-2013
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
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Quote:
Originally Posted by bruggz351
Not so easy, unfortunately. The sender in the head is, I think, 1/8 BSP. And used. The other is in the thermostat housing and it too is used. i'm currently using a upper radiator hose adapter but, it also is 1/8 BSP.
The nut on the thermocouple on these mechanical gauges, is I think 1/2 BSP. Plus the size of the thermocouple itself. 10mm dia x 40mm length.
Then the way it seals. The nut seals by sandwiching a flange on the thermocouple between the nut itself and the bottom of the port.
like this...
I didn't think this through very well, did I??? |
Isnt their a unused plug on the thermostat housing?
Or you could make an adapter to go in a welsh plug hole.
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16-09-2013
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MonsterMoose
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Join Date: Nov 2003
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Why the mechanical guage, if you're unhappy with the factory guage you could use an aftermarket guage and either the factory sender or a replacement sender mounted in the factory spot.
That fitting looks like 1/4 bsp too...
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16-09-2013
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Full Flexer
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What about soldering a bung into a radiator tank, preferably the 'hot' side I would think.
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16-09-2013
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Full Flexer
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What exactly are you trying to do?
Why can't you just screw a nipple into the current thermostat housing and then put a tee on that?
You'd then have two ports to screw temperature gauges into.
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