I am having some trouble understanding what is happening?

The water level in the radiator was full / empty in the box.
The water temp of the car never exceeds the normal level but is much lower than usual when going down from the mountain.
Fan is on all at all time in traffic jams.?!?!???!?!?!?!
Finally there are some cuts when I accelerate and boost goes up my current boost level is around 20 psi, 1.35 Bar???

Evo 8, 30k KM around 20K miles. Approximate temp is 10deg cel or 70 F

Are those the cylinder head gasket?

Thanks...

 

......

 

just a stab in da dark, check ur coolent lines

 

I'm having trouble trying to figure out what you are asking... Is your car the temperature gauge occasionally going up then going back down or something? If so, could possibly just be some air in the lines or needs more coolant... As for the fan in heavy traffic that sounds about normal.. Like I said though I still don't really know what you are trying to say..

 

I would speculate that [thermo stat] is gone bad...
I am sure you did check the hose to see if water is circulating... Hence, I am not going to mention [water pump]....

 

I am guessing he is saying his car may be using coolant? Check for leaks in the coolant lines and front case (water pump) Do a coolant test as well to see if there is too much anti freeze than water, which could cause your car to run a bit hotter in warmer weather. I use a 70/30 mix with redline water wetter and my car doesn't go past 205 degrees after a blast down the strip.

 

yeah, not sure what you asking...clarify it a bit more for us