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Originally Posted by rob76turbo
For me it is an easy choice. At $24.00 a Gal and no compatibility or gel issues....go with what Porsche recommends.
I am buying a reman waterpump with the metal impeller and the 160 degree Tstat. If I am going to do it, I want to do it right!
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Why the 160 t'stat?
the ECM needs to see 180 to run the engine efficiently
I bought a metal impeller water pump awhile ago for another vehicle and it weeped since day one. On that vehicle it was a 3.5 hour job to change it out again. I got a refund and went with a factory reman for the replacement.
Plastic impellers are not a bad word. If the metal was superior I would think all the luxury car manufacturers would use metal. The difference in cost is minuscule