I forgot to mention, I was talking to the mechanics at UPREV last year and they were telling me with how high our compression is, combined with high oil temps, 5w-30 thins out to much and thus we get more blow-by. I noticed when I was using Mobil 1 5w-30, I was losing about a qt every oil change. Switched to 0w-40, which doesn't thin out as much at operation temp compared to 30, which I seen a nice improvement .
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09 Nismo #0483 sold. Viper or C7 next time around.
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