Thermostat and Fan switch needed?

I wasn't arguing with your Deano, just setting the skew of the thread on the right tangent :)

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Originally Posted by TypeG

Cooler the engine, better performance.

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actually no, youre wrong.

your engine needs to be warm in order to burn the maximum amount of fuel in the combustion chamber. if it is too cool, unburnt fuel remains, is wasted, and this means you get less power.

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Originally Posted by shebangs

I wasn't arguing with your Deano, just setting the skew of the thread on the right tangent :)

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No, thats fine man. I was just hoping that I was understanding what your understanding.

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Originally Posted by claymore

Actually no, you're wrong the difference between standard thermostat and spoon or others is 20 degrees Fahrenheit and that is NOT too Cold. Most manufactures ran their engines at 160 degrees Fahrenheit since the early days of thermostats until the early 1970's when they changed to 180 degrees TO IMPROVE EMISSIONS REDUCTIONS only. Any engine will run perfectly fine at 160 and it will burn it's intake charge with just as much efficiency as at 180 it's just there is a more DENSE charge to burn because it is cooler by 20 degrees.

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actually, you failed to read my post correctly. i didnt specify any temperatures, i was disagreeing with the generalised statement that "a cooler engine will produce more power". get off your high horse and realise that i wasnt talking about thermostats, 20degrees fahrenheit, or any of the other garbage you mentioned.

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Originally Posted by claymore

Touchy touchy you can say someone is wrong but let someone say THE SAME THING and you get all pissed off???? What were you talking about. The general statement that a cooler engine will make more power is true. What is garbage about FACTS. Give us some facts or examples of what you WERE talking about and take a chill pill.

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cooler engine /= more power. cooler air going into the combustion chamber = more power, but as for the rest of the engine, it NEEDS to be hot in order to burn all the fuel. does the fact that unburnt fuel isnt giving you power, escape you?

As per usual Mrwill's ego starts another heated debate....:rolleyes:

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Originally Posted by claymore

Does the fact that any internal combustion engine will run just as efficient at ANY temperature get past you. It's the temperature of the FUEL that makes an engine less efficient. Fuel that is too cold doesn't atomize properly. A engine stone cold runs just as well as one warmed up it's the proper atomization of the fuel that makes a cold engine less efficient than the normal 50% thermal efficiency not the temperature of the engine itself.

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dun worry about arguing with someone who doesnt know what thermostat and fanswitch do claymore. :cool:

The fact that I understand they mean cooler.....doesn't mean its that cool.....only a few degree lower then standard and it certainly help to produce more power......what you mean by lower is the engine fail to warm up properly and not in the proper working temp but thats not what we mean by cooler engine......I understand you try to explain if the engine is not in proper working temperature it will increase fuel consumption....but by putting thermo and fan switch will only prolong the life of the engine but not doing any harm of it......

I track my car and I dumped the Mugen thermostat infavour of a stock one cause the lower temps was screwing up my computer.

no problem at all for mine tho....how come?

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Originally Posted by air23box

no problem at all for mine tho....how come?

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Something about the cold idle circuit and that the hondata S100 doesn't overide that part of the stock setting. So the EMS continually reads the engine as being cold and keeps dumping more fuel.

Put the stock thermostat back and everything runs very well...No issue with the stock ones on the track either, with Water Temps around 110dC after about 5 laps at eastern creek.

Oh, I do have a larger radiator though..

Doesnt Hondata s100 have iat correction?