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Am I nut??
Managed to change the HG and button up everything. The car started fine and ran great but it still overheat in no time. So basically all my effort comed to nothing. So it was a crack head afterall, the infamous #14 head. The head probably was damaged by the previous owner but it was pushed over the edge somehow by the long climb up the canyon. Now what next? I decided to use snake oil. I poured a bottle of 'Blue Devel', the HG sealant, into the radiator and it seems to have done wonder. I followed the instructions to the letter, of course. I have used it before with good result and it seems that it sealed the cracked head. My theory is that the quicker the engine overheats, the better the sealant will work. The sealant is made of Sodium silicate or liquid glass but it turns into glass when it receives a gush of heat. The hot combustion gas seals the crack head with glass so to speak. I have done about 400 miles, mostly freeway at 75mph, on the car without overheating, while it couldn't even be driven for 1 mile in the past without reaching 120C. The top radiator hose is soft to touch every morning. So far so good. However, the proof is in the pudding. I will report back after 5K, if it gets that far. Stay tune.
Will change out the head in case it is a short-lived euphoria.
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