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Okie996

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    Norman, OK
  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    996 C2

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  1. Okie996
    Finally, the real answer to the coolant issue: http://www.pedrosgarage.com/Site_5/Coolant_Antifreeze.html This really is worth the read.
  2. Okie996
    wildbilly32, tight clearances, huh? That would seem to be the province of the piston rings. It seems that the issue would be in the engineering of the engine. Oh, wait... IMS bearings. An acknowledged problem? Since I obviously live in an area of warm (read: hot) weather, it doesn't look like I have to worry about the issue.
  3. Okie996
    Not really. Porsche was an early adopter of the OAT technology, and has had a spotty history of not playing nice with some other brands of coolants, often resulting in gel formation in the cooling system. You need to proceed cautiously when mixing coolants as the results can be very expensive to clean out. When you go to the GLACELF website, it says that their product is monoethlyene glycol, which is the chemical makeup as Prestone and many others. What am I missing?
  4. Okie996
    If a German ar won't tolerate temperatures below 20F (-7C), then something is very wrong. Germany and Austria get much colder than that, and you don't see German Porsches parked during winter.
  5. Okie996
    It's ethylene gylcol, the same as everyone else specifies for their collant systems. Although others specifiy a 50/50 mix with water, which is just fine with GLACELF. You should be able to use anyone's coolant.
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