Hi all, quick over view of my car. It is a 2013 Camaro ZL1 (6.2L supercharged V8) making about 580-600 rwhp. This is my weekend / race car. I road course race / HPDE this car down here in Texas, which means in the summer the track sessions are 95 degrees or so. I'm looking for an oil that will hold up on the track well, but also good for my "weekend driving."
My first oil analysis was based on an oil sample I took that had 1 track day plus about 1,000 miles driven on it. The oil was Mobil 1 5w30. Considering how low mileage this oil change was, the analysis came back as expected and the oil was practically new. My second oil analysis (the image below) had two HARD track days, the first of which was in July when the outside temp was over 95 degrees. This oil sample also had around 2,700 miles driven on it. I basically went three times as far with two times as many track days on my second analysis, and these two track days were much harder than the first one. Also note that I changed from Mobil 1 5w30 to Pennzoil Ultra 10w30, I decided to go to a slightly heavier weight oil to try and minimize and chance of thinning the oil out due to high oil temps caused by Texas heat and of course prolonged track sessions. The report came back fine and there is no signs that the oil is breaking down, which is great news and tells me that I can continue to increase the amount of track days per oil change.
As noted in the comments section of the oil report, my Aluminum content and Iron content are higher than expected. The engine only has ~11,700 miles on it, so I do not know if it is still being "broken in" and that is what the higher Alum / Iron wear is from OR if it is from tracking it and running it hard.
I just performed an oil change with the same Pennzoil Ultra 10w30 and plan to run it under the same circumstances (2 track days plus ~2,700 miles) as my last oil change. That way I can get a true apples to apples comparison for my next report.
Here's a copy of my oil analysis report. First column is my most recent oil analysis report, third column is my first analysis and second column is an average between all of my reports (only two at this time).
The SUS Viscosity is something I need to investigate further. As you can see the SUS is higher from my Mobil 1 5w30 than the Pennzoil 10w30, I would think this is the opposite of what should be expected, correct? I need to know what a virgin sample of each starts of at. The Pennzoil either broke down faster OR it is just lower to begin with. Either way, the opposite of what I was trying to do by switching from the Mobil 1 to the Pennzoil... Please correct me if I'm wrong.
My first oil analysis was based on an oil sample I took that had 1 track day plus about 1,000 miles driven on it. The oil was Mobil 1 5w30. Considering how low mileage this oil change was, the analysis came back as expected and the oil was practically new. My second oil analysis (the image below) had two HARD track days, the first of which was in July when the outside temp was over 95 degrees. This oil sample also had around 2,700 miles driven on it. I basically went three times as far with two times as many track days on my second analysis, and these two track days were much harder than the first one. Also note that I changed from Mobil 1 5w30 to Pennzoil Ultra 10w30, I decided to go to a slightly heavier weight oil to try and minimize and chance of thinning the oil out due to high oil temps caused by Texas heat and of course prolonged track sessions. The report came back fine and there is no signs that the oil is breaking down, which is great news and tells me that I can continue to increase the amount of track days per oil change.
As noted in the comments section of the oil report, my Aluminum content and Iron content are higher than expected. The engine only has ~11,700 miles on it, so I do not know if it is still being "broken in" and that is what the higher Alum / Iron wear is from OR if it is from tracking it and running it hard.
I just performed an oil change with the same Pennzoil Ultra 10w30 and plan to run it under the same circumstances (2 track days plus ~2,700 miles) as my last oil change. That way I can get a true apples to apples comparison for my next report.
Here's a copy of my oil analysis report. First column is my most recent oil analysis report, third column is my first analysis and second column is an average between all of my reports (only two at this time).
The SUS Viscosity is something I need to investigate further. As you can see the SUS is higher from my Mobil 1 5w30 than the Pennzoil 10w30, I would think this is the opposite of what should be expected, correct? I need to know what a virgin sample of each starts of at. The Pennzoil either broke down faster OR it is just lower to begin with. Either way, the opposite of what I was trying to do by switching from the Mobil 1 to the Pennzoil... Please correct me if I'm wrong.
