03-18-2003, 07:19 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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There was an extensive discussion on this a few months ago with a lot of good information. Suggest you do a search. The majority of the extended life antifreeze/coolant is not compatible with many of the silicones & elastomers used the "high performance" gaskets that we tend to use . The long life coolant was designed for the newer vehicles (to prevent boilover) that normally operate at much higher temps but have compatable gaskets.
Rick
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