Running Temp

[S43]

Hi everyone, I was wondering what running temperature your nobs run at and what temprature your fans cut in at in the summer during normal driving, with occasional mad bursts of speed?

I ask as I was out this afternoon in my 10 and it was running at about 70deg bouncing regularly to 83, when the fan cuts in.

I get the impression it's running a little hot but obviously nothing to compare it against!

[dave sutton]

On the road mine runs around 80 cruising, in traffic it can get towards 90 and on track I have seen 105 with no problems. I don't think my fan comes in as low as 83.

[AMG Merc]

Can't remember - 93 I think. Needle sits roughly at 12 o'clock all of the time and when hot and the fans kick in it moves only a few millis past that.

[stevegto3]

Mine is the same as Dave suttons

[S43]

Interesting, thanks for your responses.
It's reassuring to know my engines not on the brink of meltdown.

[andygtt]

worth mentioning the guage doesn't read accuratelly... after all the standard thermostat doesnt actually start to open till 93deg c and is fully open at 96deg c... if your running at a genuine 83deg c then nothing is going through your radiator....
So if you fans come on and your temp is readying below 93deg c and you have the standard stat then your guage is wrong and you cant trust it

Id also say 105deg c isnt safe on track, I had temps like this previously and spent a lot of time making small changes and now mine doesnt go near 100 deg c... I reconfigured my guage to read 100% true and fitted a lower thermostat that was specially made in the states in a group buy recently.

If you want to know your real temps you will need to temporarily fit thermocouples... I fitted 3 around the system so that I knew what was going on and that I was making progress in the right direction with each mod

[dave sutton]

andygtt said:

Id also say 105deg c isnt safe on track, I had temps like this previously and spent a lot of time making small changes and now mine doesnt go near 100 deg c... I reconfigured my guage to read 100% true and fitted a lower thermostat that was specially made in the states in a group buy recently.

Agreed, I generally stay out for 6-10 laps or when the temperature reaches 100, but that time I was having an enjoyable dice with a TVR and forgot the temperature. I eased off at once and checked for leaking steam as soon as I got back in but all was well. I haven't seen temperature that high since doing cooling mod and rear clam vents so it does work.

[S43]

I think your right andygtt, I dont take my car on the track so its not subject to continuous hard driving and on the coooler winter days the fan never cuts in.

I am betting on the guage being inaccurate, as the characteristics of the heat/fan have always been the same and nothing over heated yet....apart from me!

[Gadgeroonie]

You can fit a colder thermostat.