Quote:
Originally Posted by LJohnson32
Got it -- I think my interval was around 4600 miles for my report so I would be very interested to see yours at 4500. Keep me posted. I know it's not necessarily apples to apples as IIRC you're somewhat heavily tuned, but if anything I would think that the oil in your car would get more beat up than a stock car all other things held constant. If it performs well in that use case, probably safe to assume it would also perform well in a stock, unmodified car
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Ill keep you updated, next change I will run a sample again, and post the results.
I would agree that if this oil can withstand the nature of the car under heavier load from having a more aggressive tune over stock, I'd rule that the 5W-50 would be good for unmodified as well.
It is well known that these engines run rather hot, and the key to longevity is maintaining a cool temperature. I do notice that the oil takes longer to warm up and retains more heat, but the other side is that the oil does not thin out once it reaches its normal hot state.