[TR] 1972 Triumph TR6 Temp - UPDATE

[thenicholls at verizon.net]

List,
 
Just an update, I got a temp gauge from a friend of mine.  Went out and ran 72 TR6 until temp moved and oil pressure came down.

Tested temp with the gauge along the engine on the side where the exhaust is.  I got readings of 187-192 degrees which seems right to me.

So, now I am down to either the sending unit is bad, or just the gauge is reading low.  I heard from a lister who lives near me that he has the same situation and is just not worrying about it.  

My issue is that I ordered a new sending unit from TRF GTR110 4/2009 and attempted to install it, it did not fit.  Since it is the only one listed by the big three, I could not figure out why it would be wrong, so I pulled the existing one, cleaned it up, and put it back in. 

I know it is not the voltage stabilizer because I put gas in it over the weekend and it is reading correctly.

At this point, I am going to get the TRF sending unit and stop by a local British car shop for some free advice.

Will let you know what happens.

Craig
1972 TR6


Nov 7, 2011 01:25:23 PM, thenicholls at verizon.net wrote:

Replaced thermostat over the weekend, no change.

Also suggested was the voltage stbilizer (the one behind the speedo). I was advised it was connected to the fuel and thermo gauge. The fuel gauge is fine, and the thermo does work, once warm, it comes out of the clear bos on the left of the gauge and is in the painted while part at the lowest level. Prior, it always ran in the 6 PM range right in the middle.

Since the gauge has no temperature numbers, even if I take the temperature reading in the radiator, I have no idea what it should be. What is the "normal" range for it to run?

Also was suggested to replace the sensor. I tried last year to order one from TRF and replace it, but the new one did not fit, so I cleaned up the old one and put it back. All the big 3 only list one for my car, so I am not sure why it would not fit and I never had time to find out.

At least if I got a reading on the temp from the radiator I would at least know I am not running cold (which I don't really think is possible).

Any other ideas appreciated.

Craig 
1972 Triumph TR6




Nov 7, 2011 12:05:25 PM, yellowtr at adelphia.net wrote:

Craig,

If you have a good thermometer you should run the engine until you think 
it should be hot and then carefully open the rad cap and stick in the 
probe. Should be about what your thermostat is rated or a bit higher.

If the temperature is what you think it should be, I would replace the 
sensor next.

Bob

On 11/07/2011 09:23 AM, thenicholls at verizon.net wrote:
> Replaced thermostat yesterday, no change in temp gauge reading. Where should I head to next?
>
> Craig
> 1972 Triumph TR6
>
>
> Oct 29, 2011 12:47:51 AM, thenicholls at verizon.net wrote:
>
> Don't know, I could replace it. Any way to test that? I did replace it 4/1/2006, that could be it.
>
> Thanks,
>
> Craig
>
>
> Oct 28, 2011 11:52:24 PM, fishplate at charter.net wrote:
>
> On 10/28/2011 10:16 PM, thenicholls at verizon.net wrote:
>> Is it possible for an engine to run too cold? I had never thought this was a concern.
> `
> Yes, but it's not likely to be the plugs. Is your thermostat stuck open?


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