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gsxrken gsxrken is offline
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Join Date: Sep 2002
Location: Westchester County, NY
Posts: 1,817
Back to Mobil 1 for me

I like to change my oil every 12 months, regardless of the mileage which for this car with it's lack of heat (and until last year lack of AC) has averaged around 3k a year. I change my Mahle filter but not oil after a track day. Again, just me. YMMV.

Anyway, last year I drank the Brad Penn cool-aid and immediately noticed the car ran a tick hotter and with higher oil pressure. It would run hallway between the first two oil hash marks temp wise, and almost on 4 bar around let's say 2500RPM and up. Both are fine and some might say normal, but both were higher than my years of experience with Mobil 1 (same grade).

Today I just renewed the oil and filter with Mobil 1 15w-50 and Mahle filter, and the engine temp is back to barely getting off the first hash mark and runs more around 3 bar on the pressure gauge than 4.

I can only assume the M1 flows easier (so doesnt build up back pressure) and this greater flow can carry away more heat. I'm staying with it.
1986 930, 1969 Mach1, 2003 540 Sport, 2016 R1200RS
Old 06-17-2013, 03:08 PM
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