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Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 #5319106 01/10/20 09:55 PM
Joined: Apr 2013
Posts: 188
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Emperors6 Offline OP
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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 05:44 AM
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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 07:47 AM
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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
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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 10:50 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
Pennzoil Platinum High Mileage 10W30

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


People who count on their fingers should maintain a discreet silence.
Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5337631 01/31/20 07:48 PM
Joined: Jul 2015
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SR5 Offline
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Yes M1 15W50 is a great performance oil, shear stable, solid zinc at ~1100 ppm, and after 6k miles a decent retained TBN of 4.7 with a modern (LSPI friendly) Ca & Mg detergent package. Plus it carries the Euro A3/B3 spec.


---------------------------------------------------------------------------------
Valvoline DuraBlend 10W40 SN & A3/B4 semi-synthetic + Valvoline V06 synblend media filter
Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5343103 02/06/20 09:54 PM
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Geoff Offline
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Well I was a little concerned in colder weather but this is a good report. Changing my oil to Mobil1 15w-50 per the manual for track use in a couple weeks. Looks like I can leave it in.


2020 Chevy Camaro ZL1 1LE
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2013 Chevy Camaro LS3/NPP
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Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5343308 02/07/20 05:34 AM
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Emperors6 Offline OP
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What's your definition of colder weather?


2013 Cadillac CTS-V
2016 Chevrolet Corvette Z06
Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5354246 02/19/20 09:16 AM
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ssregal39 Offline
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thanks for the report. I've been using mobil 15-50 in flat tappet oval dirt cars and never had an issue.

Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5354382 02/19/20 11:20 AM
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ad244 Offline
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Wow, love that flashpoint. Interesting aluminum trend but probably noting to worry about

Re: Mobil 1 15W50, 6k mi OCI, 21.6k mi, C7 Corvette Z06 [Re: Emperors6] #5355563 02/20/20 02:49 PM
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rrounds Offline
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The only way a 15w-xx oil would be a problem at 5F is if as soon as it fired up you took it to red line. Good looking UOA.

Rod


'06 S2000
'00 SSEi sold at 252k miles
'08 Ford F53 V10
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