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Coolant compatibility
After replacing my water pump and equalization tank, I'm getting ready to put coolant back in. I noticed that the Porsche coolant the dealer gave me is G40-91-EF, while the coolant in the car now is G30. I assume the new stuff is backward compatible, but I'd like the warm fuzzies after hearing the warnings of gelling.
Nothing clear on the manufacturer's website.
Anyone know?
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2001 Boxster, 5 spd, Seal Grey
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