QUOTE(zakinawi @ May 7 2012, 08:06 PM)
i already put 100% mercedes coolant.. the blue colour before overheat.. but still, during normal drive, engine goes overheated.. hohoho...after change cylinder head, proton use the normal green..not 100%, but 70-30.. until now ok lor.. they also said its the cylinder head problem.. not fan or coolant or radiator.. try and check your radiator, when u go back.. if its dry, be ready.. if got water, its ok lor.. just my advice, from a person that have gone through..
mercedes coolant?
u better becareful on what coolant u use bro
not all coolant is suitable on every radiator...if u put the wrong coolant into the wrong radiator, your radiator is in trouble
if i'm not wrong, there are 2 kind of radiator...when i say that i mean build using 2 kind of material
the coolant that i stated just now are toyota coolant, peregrine coolant and forged racing coolant
toyota coolant(i maybe wrong)..only can be used in 1 kind of radiator...usually japanese ones
peregrine coolant and forged racing coolant are universal coolant..meaning can be used in all kind
other coolant though...better becareful...else you're doing more damage than good
and the ratio..the correct ratio is 50:50...in proton case, 2X 1L coolant + 2L water = 4L radiator capacity
too high ratio of coolant is bad as well becuz coolant is acidic