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Ehh, I still think those oil change intervals are more conservative than they need to be.
I've been sending samples to Blackstone Labs since I bought my Nissan Altima new back in Dec '06. I sent the first sample when the engine only had 733 miles on it in order to find out if there were lots of break in materials in the oil (there wasn't), and then a sample with every oil change after that.
Since I've been using Kendall Semi-Synthetic oil in the car since the first oil change, I've been changing the oil somewhere between 7500 and 9000 miles. Each UOA came back with flying colors, and I'm anything but gentle with the car.
Right now I'm waiting for the results for my first UOA with the Porsche since I bought it back in Feb.
I'd rather know what's going on, rather than hoping everything is okay, or throwing money down the drain for "peace of mind".
BC.
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Its not how fast you go, or how expensive your toys are.
Its all about how big your smile is at the end of the day that truly matters.
'98 Silver Boxster, '08 Ducati 848, '89 Honda Hawk GT, '89 Honda Pacific Coast
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