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#4575852 - 11/16/17 09:21 AM RedLine 15W50, 8k mi OCI, 69k mi, Cadillac CTS-V
Emperors6 Offline


Registered: 04/09/13
Posts: 141
Loc: GTA, Canada / NYC
All mileage is in kilometres. OLM was at 0%.

Notes from oil slip: RL 15W50 for summer due to track (ab)use, top-up oil: 1.5qt of RL 15W50 and 1qt of RL 5W30. Will switch to 5W30 for winter. 30hrs of track use on oil.

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2013 Cadillac CTS-V

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#4575907 - 11/16/17 10:21 AM Re: RedLine 15W50, 8k mi OCI, 69k mi, Cadillac CTS-V [Re: Emperors6]
bigj_16 Offline


Registered: 07/03/17
Posts: 1271
Loc: Douglas County, Colorado
Thanx for posting.

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#4575955 - 11/16/17 11:01 AM Re: RedLine 15W50, 8k mi OCI, 69k mi, Cadillac CTS-V [Re: Emperors6]
dparm Offline


Registered: 04/19/10
Posts: 13466
Loc: Chicago, IL
Does your CTS-V have the factory recommendation to run 15w50 for track use?
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2017 Chevrolet Corvette Grand Sport

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#4575970 - 11/16/17 11:19 AM Re: RedLine 15W50, 8k mi OCI, 69k mi, Cadillac CTS-V [Re: Emperors6]
Emperors6 Offline


Registered: 04/09/13
Posts: 141
Loc: GTA, Canada / NYC
Nope. That's the Camaro, Corvette and I think maybe the third generation CTS-V. However, after looking at the oil temperatures at the track pulled from the OBDII reader and the recommendation of my mechanic that has a lot of experience with LS engines I decided it would be a good idea since it was consuming quite a bit of oil at the track. Now, with the heavier oil, it is much reduced though there is still some oil consumption. However, that's to expected with a boosted engine under heavy load. On the street, there is no significant consumption.
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2013 Cadillac CTS-V

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#4576100 - 11/16/17 01:33 PM Re: RedLine 15W50, 8k mi OCI, 69k mi, Cadillac CTS-V [Re: Emperors6]
OneEyeJack Offline


Registered: 09/14/10
Posts: 7479
Loc: S California
Those old-fashioned pushrod V8's appear to be alive and well. Thanks for posting. Who would have thought someone would take a Cadillac to a track day in the past. "....I found out my Coupe de Ville understeered a bit when I turned the wheel at the first turn and ended up in the parking lot with an angry corner worker on the hood....."

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#4576105 - 11/16/17 01:42 PM Re: RedLine 15W50, 8k mi OCI, 69k mi, Cadillac CTS-V [Re: Emperors6]
Rand Offline


Registered: 08/20/03
Posts: 12651
Loc: NE,Ohio
What was previous oil. Was this the first interval on redline?
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2017 Jeep Cherokee Trailhawk V6

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#4576159 - 11/16/17 02:37 PM Re: RedLine 15W50, 8k mi OCI, 69k mi, Cadillac CTS-V [Re: Emperors6]
Emperors6 Offline


Registered: 04/09/13
Posts: 141
Loc: GTA, Canada / NYC
Red Line 5W30 was the previous oil. I've switched to Red Line since early 2016. All of the samples on the sheet above starting in 9/2016 are RL.

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