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03-01-2018, 03:41 PM | #1 |
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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18k km UOA on Mobil 1 0w30
I currently have Pennzoil ultra platinum 5w30 in my engine and have noticed it is a bit quieter and takes a bit longer to warm up. There doesn't seem to be any significant changes in oil pressure between the two, if anything maybe 3-5 psi higher in the Pennzoil, but I can't confirm that. After reviewing the oil samples I am impressed with the 2zr being another solid engine. Wear metal were well within spec. I am also impressed with the 0w30 Mobil 1 oil holding a really decent total base number (TBN) and being able to handle 18k km of track days, extreme cold and hard driving and be able to go even longer. You can see the viscosity is starting to come down over time. This isn't a concern for me if I only DD my car, but I wouldn't put more track days on the car at over 18k km on the oil with the viscosity dropping. It is still well within spec and I'm not saying it's a concern but I wouldn't want to push that limit on a track with my DDer. Going forward what I think I'm going to do is run Mobil 1 0w30 for up to 21k km but only during the winter months (~Nov-early Apr) and run Pennzoil UP 5w30 in the summer and during the track days. The plan is to just drain and store the oil when not being used. I plan on starting with a 12k km OCI on the Pennzoil UP after a hard summer of track days and see what the result is.
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