[Biturbos4] Synthetic oil - frequency of changes

quickaudi at gmail.com quickaudi at gmail.com
Wed Dec 3 18:36:27 PST 2008

If I may, I highly recommend an oil analysis from Blackstone or similar vendor in order to determine optimal oil change interval. 
I found that I could go 8000 miles between oil changes for a while, but after a while, my wear indicators for my copper increased, so I have been changing it closer to 4000 miles and I have since changed from Mobil 1 to ELF (currently under evaluation.)


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