Best and effective radiator coolant

[kinyo]

The thermostat only closes or opens to maintain operating temp, but if for instance the radiator or fan or pump is faulty, it will keep itself open but the engine will heat up.

true ... in a normally functioning cooling system, the thermostat dictates the operating temperature ... so if the TS wants to lower his temperature, he needs to change his thermostat with lower "opening temperature", not his coolant

[crazy_boy]

i was told na ok din daw Shell coolant. i dont know if totoo nga ba.

anyway, for our L300 vans, we just use stock rad size.

[EVO-V]

true ... in a normally functioning cooling system, the thermostat dictates the operating temperature ... so if the TS wants to lower his temperature, he needs to change his thermostat with lower "opening temperature", not his coolant

Thermostats work using either a wax compound or a bi-metallic mechanism that reacts to temperature. Special alloys and formulations have been done for customized thermostats and its normally to defer opening rather than accelerate it. So unless you're in bed with someone who makes those mechanisms its highly unlikely to happen.

What you want to happen to get maximum overall cooling is to disengage the thermostat, upgrade your radiator, change your fan to one with a more aggressive blade geometry, and if its crank driven -change the pulley ratio. If the fan has a viscous clutch just engage it on high and keep it there (at the expense of power and economy).

The shell coolants are fine, nothing remarkable, they work, however 1-2 years you'll need to refill them depending on usage as the inhibitors lose efficacy around that time.

Avoid coolants that use an organic acid based inhibitor if you have a mixed metal loop (copper-brass radiator + aluminum engine + steel linings.

[EVO-V]

i was told na ok din daw Shell coolant. i dont know if totoo nga ba.

anyway, for our L300 vans, we just use stock rad size.

If you just do normal deliveries, even overloading the trusty L300 mule, is fine as long as you accelerate gradually. Just watch your tires.

Its when reefers (refrigeration) conversions come in with oversized compressors for transporting say ice cream, that cooling systems are put to the test.

Imagine in traffic you may need to rev higher to keep things cooler. Then haul all that weight.

[andrew_28]

OEM coolant? May nakita kasi ako na coolant yung "Purple Ice" di ko lang alam kung totoo toh, gusto ko pa kasi i-drop yung temp ko. Purple Ice® - Radiator Coolant Additive - Royal Purple

effective kaya ito? parang gusto ko ding subukan, san kaya meron nito?

[EVO-V]

If I remember purple ice and what it does, it essentially breaks the surface tension of water/coolant making it more conductive simply because it allows more molecules to come into contact with heat transfer point.

I do remember it smelling rather terrible too.

[somniantis86]

Mga sirs, anung pwedeng coolant for 2002 starex?

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[Horsepower]

You should also check if your radiator's fins are clean.

[radz15]

Guys ask ko lang. 40k na yung takbo ng 2011 mitsubishi adventure ko. nalagay sa manual palit na ng coolant pag 40k na. nung pina check ko ok pa daw yung coolant ko. puno pa yung sa reserved tas nung binuksan ko yung sa radiator puno din at kulay green pa.. Tingin nyo palitan ko na ba dahil yun ang nakalagay sa manual or di muna kc ok pa naman sya? thanks!

[erick_214]

Hi guys,

Since napag-uusapan ang pag-lower ng temperature...

OK ba yung mga aftermarket na thermostat na nakalagay ay opening temperature is 70C? Matibay kaya ang mga ito? Tsaka yung mga radiator caps na 1.3 bars mas maganda bang gamitin yun kaysa sa OEM radiator caps? Any pros and cons?

TnX...