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Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 #5319106 01/10/20 08:55 PM
Joined: Apr 2013
Posts: 179
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Emperors6 Offline OP
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Joined: Apr 2013
Posts: 179
All mileage is in kilometers not miles.

Notes from oil slip: "25 hours of track time + street. Had a few cold starts at 5F. Was the oil too thick? Did it cause any problems? I've switched to Mobil 1 5W-30 for winter." The OLM was at about 30%

Previous fill was Mobil 1 15W50.

[Linked Image from imgur.com]


2013 Cadillac CTS-V
2016 Chevrolet Corvette Z06
Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5319298 01/11/20 04:44 AM
Joined: Jul 2005
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demarpaint Offline
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@ 5F I would have thought a 15W50 would have been a possible problem, it appears not. That's a nice dose of ZDDP in that oil. I wonder if a 5W50 would have made a difference, or if it would have sheared? I'd be interested in seeing how the 5W30 does. I might have been tempted to use a 5W40 for the winter, or Mobil 1 ESP 0W40. Thanks for posting.


God Bless Our Troops

Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5319346 01/11/20 06:47 AM
Joined: Apr 2018
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joekingcorvette Offline
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Nice report. Those C7 Z-06's are awesome. I would use the 5W30 or a 0W30 in the wintertime if you are not doing any racing. Nice to see you are not scared to drive the car due to the miles you are putting on it.


2005 Chevrolet Corvette
2014 Ford F-150 4x4 supercrew
2014 Jeep Grand Cherokee Limited (wifes)
2012 Honda Civic 4 door (my daily driver)
2007 Lund Tyee Grand Sport Mercury 115HP 9.8HP
Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5319488 01/11/20 09:50 AM
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aquariuscsm Offline
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That's an excellent uoa! M1 15W50 has always been one of my favorite oils.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 0W20

Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5319539 01/11/20 10:28 AM
Joined: Feb 2003
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Cujet Online Content
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M1 15W-50 remains one of my favorite oils for very high performance engines. Always good results.


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