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Old 08-08-2007, 03:15 PM   #21
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I concur with Will.

I have examined the plastic gaskets in the pictures and from my car and the gaskets are only degraded where the coolant wicked in the channels.
I have a first design L36 GM gasket that was in a motor using Green phosphate coolant (not Dex) for at least 5 years and the gasket looks like new.

If only one car in 100,000 cars has the cooling system eaten away by acidic Drx then there is a problem with the produc

From what I have read you can not use Dex in a Diesel motor or it will void the warranty.

Time to try some G-05 at least it does not have 2EH like Dex.
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Old 08-08-2007, 05:16 PM   #22
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I have yet to see the 'dex effect' on a green coolant 3800. Heat is not the culprit. Neither of my L67'* have ever had this effect, and my 95 shows clear signs of having been severely overheated in it'* life. Yet the OEM gaskets I removed at 130k were good enough to be re-used.
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Old 08-08-2007, 11:47 PM   #23
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Just out of curiosity, what'* the lawsuit against GM about regarding Dex-cool? Is it about this very same topic (i.e. Dex eats gaskets)?

Chris
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Old 08-09-2007, 12:41 PM   #24
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Well, here'* what it did to my 96 SSE. Judge for yourself. More evidence to support WillWren...
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