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I have a 1994 Explorer with a gas engine. I have been reading the debate about gold coolant, flushing, changing, etc for the PSDs. If I understand it correctly, Ford also started using Gold Coolant in all cars and truck, gas and disel. The standardization appeals to me. And if it is longer life, then that is even better.
Does anybody know if there are comptibility issues using the Gold Coolant in an older gas engine, like 1994? It is a Ford.
I'm not sure when, but Ford change the coolant to a GO5 base. I'm a radiator engineer...before I got into the group, they did a lot of testing and had to change materials and processes so the new coolant wouldn't cause leaks in our radiators.
Don't change the coolant from what was recommended.
I decided last night that there was not enough information out there to support the idea of using the gold coolant in an older car, so the green prestone went in. System is in good condition considering the lack of maintenance. I did use distilled water and flushed it with distilled water 4 times. Our water is very bad, lots of iron, so this is probably a good compromise.
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