I have the following issue that I would like to request your help.
Since beginning of 2009, I have 2 gauges installed in my Exige S (2007): the oil temperature and the oil pressure. I don’t have any issue with the oil pressure, so I can skip it.
My configuration:
Exige S (2007)
Oil: Shell Helix Ultra 5W40
2 Front Oil Radiators
Gauge “Motor Meter Racing” (Elise-Shop)
The sensor is mounted on the “sandwich plate” (oil filter)
Gauge Measure Indications:
After a while (20 min riding at different tempo’s) the oil temperature indicated by the gauge followed the rise in temperature of the water, but it’s never goes above the 70�C (for the oil when the water is reaching the 88�C)…
I have already checked all the connections, all the cables, the power, etc, I have replaced all the material (gauge, sensor, cables) by a new set, and I still not get a temperature above the 70�C…
So I am a little bit lost in my quest… If somebody can help me to sort this out, I will really appreciate it.
Yep, I have already done that with the previous set, running from the kitchen to the garage (10 meters) with boiling water… and I never got the 90�C… 70�C max…
Tomorrow, I will try again with the new material (new sensor, new gauge etc…)… if it doesn’t indicate that temperature… I will be lost, because every centimer has been checked… so the gauges can go back to the supplier!
For normal driving I firmly think that the twin oil coolers are too big for the road, if you try it on track I think you will find a stable higher temperature.
Thanks Ade, but the taking of temperature is done in upstream as normally the oil has not reached the twin oil coolers? or am I wrong on that?
Anyway, I have done the test with boiling water, and the result is clear: 70�C give by 2 different sets (gauge, sensor, etc), so for me this material is crap, sorry but I have lost hours on that… I thought I done a mistake on the installation but it’s not.
What is wrong with 70C? Isn’t that within the recommended parameters of the oil?
My Honda runs at 60-80C on the road, but can go to 120C on track. These are the “indicated” temps on my Racetech gauge, which I don’t consider to give 100% accurate temps - the gauge is there for me monitor changes to the norm. I use Silkolene 5-40 fully synth oil.
If the gauge can’t provide the right temperature in boiling water, I stop there… if I got 90�C with boiling water, I will be confident by any measures shown.
I just wonder if anyone has a reliable reference for a oil temp gauge. I don’t want to pay $$ for a Spa, but I am ready to invest in STACK if they have passed the test of the boiling water
Thanks, I made another test (thank to Christian in Belgium). I put the sensor in boiling water, connected to a multimeter, it appears that the sensor works…
So apparently I am the only unsatisfied customer on a range of 400, so I need to find if there is resistance in the wiring. Anyway, it’s a good lesson for me to learn the quality of support of a supplier.
there should be a resistance in the wire as it will be really small. if there is then i would recommend investing in some “compensating wire” it stops the resistance in the cable and gives a more accurate reading even at a further distance.
Thanks Ash, I will inquire on that “resistance in the wire” as I am not soo good in electrical discussions.
By the way, it’s a big “mystery” that one gauge (pressure) shows correct values and the other (oil) doesn’t show reliable data… and they are connected together so the oil gauge receives the power and I have a wire to the second gauge to share the power…
