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Honda TRX450R Forums: Honda TRX 450R Forum > 450R Performance and Mods. > Maintenance
hollywood
Anyone use this? How long has anyone used it?

It is suppose to make the engine run cooler (50 degrees) will this help or hurt?


Engineers have designed the engine to run a certain way and temp!!
jones450r
started using it couple months ago and i like it, i noticed my leg was not solid red after a couple passes and before one pass is all it took w no oil cooler or fan, but as for lowering it 50 degrees i have no idea i have no temp gauge
mjc597
everyone i race with uses it. i'm switching my wifes and mine over to it. it definetely lowers the temps.. as far as 50 degrees though.. not sure if it will lower it that much, but it definetely makes them run cooler..
jhln8c
i've had it in my bike for 2 years without any troubles, works good
pncstod
I ve used it for years as well, no problems and it seem to make thing cooler, not 50 degrees but a little cooler. It the first thing i do to a bike when i get it.....
ZIPS-TRX
QUOTE(hollywood @ Sep 13 2009, 06:43 PM) *
Anyone use this? How long has anyone used it?

It is suppose to make the engine run cooler (50 degrees) will this help or hurt?


Engineers have designed the engine to run a certain way and temp!!


I wouldnt run it. Ive seen alot testing done with various coolants and straight water. None of them provided and real benefits. they claim temps lower, which is in the cooling system. You would see a lower temp if your reading the coolant temp in the return hose to the radiator. Problem is its misleading, the heat still in the engine but the engine ice is a lower thermal conductor. What this means is it wont conduct the so its basically left in the engine, that why you could see lower temps. The will be radiated out through the head which will actually cause more stress on the valve train. You end up with additional heat in the valve springs, valves, guides, ect ect. this will reduce the valvetrain life.
You actually want the heat to be higher in the cooling system, and exhaust. This way the radiator will remove the heat, also known as heat rejection. This is how the cooling system was designed to work. Also higher exhaust temps will help power. When the temp is up in the head pipe it increases velocity, increases power.
rrguy
I actually got to speak with a coolant engineer a few years back actually both of them were. He mentioned the Honda does allot of testing & works with a company associated with Maxima to develop a good coolant. Which involves metal protection, cooling efficiency freeze protection etc...

Well one way to know is read head temp before & after coolant change you could also install a temp gauge but like ZIPS-TRX mention that is only measuring coolant temp.

I have read about engine Ice & Evans coolant which is suppose to be better than water/ coolant. Some of the testing they mention makes sense but I do not know for sure?

One thing I was told about additives like water wetter is they contain detergents which help with heat transfer from metal to coolant, but break down sooner & can foam so you should run them only a season or a few months & not leave them in for years etc...
comales
I read in another thread that it'll only drop ur coolant temp like 7-10 degrees. Thats still not even close to the claimed 50 degrees ur engine heat will be, as of you were told.

just my two cents...
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