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Discussion Starter · #1 ·
Whats the deal on the premium gold coolant?

It is coooooold and I want to test my freeze point.
My tester shows ethelene Glychol
Propolene Glycol

I don't remember the difference, which one is which and how do we test the new Gold.
 

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It should work with a normal tester - its still ethelene Glychol but with better adative package (i belive this is correct) - at any rate my " green " tester works fine in mine.
 

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On any gen 2 the newer coolants will work fine.

The green coolants have "silicates" in them that over time leach out. That's 90% the reason it had to be changed every so often.

Back in the mid 90s when GM was trying to get everything switched over to the long life coolants the only real problems we had was that some plastics in the cooling system would be attacked by it. But I can tell you that any 99up Lightning will be fine with what ever you put in there.

(I like prestones quality best)

Rich
 
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