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Originally Posted by Jaranath
Wait...why? Because you're wasting money on expensive synthetic gobbled up at high rates, or because (eek?  ) synthetic is in some way bad to burn? |
Synthetic oil for RX8's don't agree with the polymer seal, and excess oil gets into the combustion chamber, putting raw gas into the catalytic converter (and screwing the cat up)
http://rotarynews.com/node/view/822
As long as it's the engine burning oil--and not leaking like old British cars, that's fine. Just check the oil level and fill it up every now and then.
-Aki