Overheating at High Speed (revs) and uphill

[rodetor]

After ma-overhaul raditor mo, you will notice the difference in your temp gauge. That it will not raise anymore above 1/2 in its indicator marks, it will mostly stay around at 1/3 in its temp gauge.

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[StarLord]

And difference is mas madali mag-ope yung 0.9 psi vs 1.1 psi. Dapat kung ano original na requirement nang sasakyan ay yun susundin. If hindi ka sure, I suggest you use the rad cap na may 0.9psi rating just to be safe. Same size yan, yung spring lang ang magkaiba kasi nga ibang pressure rating nila eh.

Hmmm, ganun ba yun? sige, if I have the budget, will change it soon.

yung ratings indicated sa radiator cap is the opening pressure. the radiator cap raises the boiling point of the coolant, be it plain water or mixed. the higher the pressure, the higher is the boiling point. say 1.1 kpa (gage pressure) raises the boiling point to 104 deg C (not sure on the number) pero the point is, it raises the boiling point (compared to 100 deg Celsuis at atmospheric pressure of 14.7 psi, 101325 pa, etc.).

kapag tinanggal mo ang cap, the boiling point is 100 deg C. lagyan mo ng cap, higher than 100 C. higher P, higher T.

for the record, hindi totoo na ethylene glycol (prestone coolant, etc., etc.) prevents boil-over of the engine coolant...."it raises the boiling boilng of the coolant mix to certain degree (depende sa mix)". same same sa function ng radiator cap.

ibalik mo thermostat nyan asap. ganun din yang sensor circuit for the fans. regarding hoses, dapat hindi masyado matigas ang upper hose (bypass hose included) at di rin masyado malambot ang lower hose.

maiba tayo ng usapan, baka naman hindi kunektado sa cooling system yang problem ng auto mo. like leaking head gasket, tight bearings, lubrication problem, etc.

So what coolant na kailangang gamitin? Yung sa thermostat naman, we are going to restore it pero di pa ngayon, wala pa kasing budget saka twing sundays lang ginagamit yung sasakyan pag magsisimba lang. Hehe, pero sinasabi ng mechanic na galing honda mismo na ok lang daw maski wala na daw yung thermostat. Ano ba ang totoo saka ano ang possible na mangyari? Other than that, wala naman problema sa leaks like sa gasket at sa mga hoses. Yung water pump naman ay ok naman. Saka kakapalit ko lang ng timing at balancing belts saka ng tensioners.

After ma-overhaul raditor mo, you will notice the difference in your temp gauge. That it will not raise anymore above 1/2 in its indicator marks, it will mostly stay around at 1/3 in its temp gauge.

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This is true bro. Sa lahat nga pala, after overhauling our radiator, nawala na yung overheating ng sasakyan namin. bale ang reading ng temp gauge ko ay stick na sa 1/4 even pag paahon kami ng batasan or sa litex road. Na-resolve na din sa wakas ang problema namin. Yung themostat na lang ang aayusin.