Themostats wondering?
Turbo Mini Forums

Wonder what themostat i should have in my 1293 turbo mini sport sold me a 70 degree one is this right? Engine seems to be running hot and acording to my water temp gauge its a near on a 100 which i don't believe but i dont really no any help cheers

http://www.Zeemax.com

unleaded should run the 88

im on a 74 with a few holes

so will i do any damage running a 70??

http://www.Zeemax.com

74 deg stats are the right temp for power!

years ago when i was a lad they found out if they ran 74 deg block temps the oil would sludge up over a short time and kill the engine
and economy would suffer also so they upped the temps 82c is most common and 88c winter
get a 74c stat minispares north and drill 6/ 5mm holes around the outer edge

if temps are still over you have other issues and needs investigating especially on a turbo motor

i run a 74 with no problems, few holes as has been mentioned.

you're thermostat should be fully open so looks like you have other issues.

how old is the rad, is it clean? good airflow etc.

what temp should it be running sud still? cheers oh and how many holes five

Edited by Zeemax Power on 14th Nov, 2007.

http://www.Zeemax.com

Am i reading that right Steve, you said a 74 kills the engine but recommend fitting one or am i being blonde?

If you are having overheating problems and the stat is working correctly, then it wont matter what temp stat you put in it will still overheat.

Simply the cooling system is rejecting less heat than it is picking up, this will happen with a 74 or an 88 stat. The stat simply controls the temp, and if its reaching 100 there is an issue with the cooling system

Edited by Sprocket on 14th Nov, 2007.

seem to just about when stood but drops when drive oh and if i put my other fan on comes down to. What temp should it be running about?

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thats normal then

the engine will ran at whatever the thermostat temp is

I suggested 88 because unleaded fuels burn more completely at that temp.

Running lowere temps screws up the fuel ecconomy, but with the benefit of a slightly better power figure, how much in reality is probibly small, i dont know

i'm not sure now the thermostat i thought was 70 but temp say a hundred hows that work confused now. And how many holes we talking benross?

http://www.Zeemax.com

The thermostat controls the temperature of the engine only if the cooling system has the capebility to reject it. if it cannot get rid of the heat the temperature will rocket out of control even when the thermostat is working correctly.

Look at it this way, if the cooling system picks up 10KW of heat energy from the engine and the radiator rejects 9KW, there is 1kW left in the cooling system, this will keep adding up untill the coolant boils over. So, hwen the coolant has picked up 100kw over time, the radiator has rejected 90kw leaving 10kw in the cooling system.

In this situation the cooling system is too small or faulty. a 70 degree thermostat at 100 degrees is full open alowing full coolant flow to the radiator, how will that stop the engine overheating if the cooling system cannot reject the heat anyway?

Edited by Sprocket on 15th Nov, 2007.

wat u reckon first port of call?

http://www.Zeemax.com