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I've always been a little curious to see what wear metals look like on my old daily driver after ~5000 miles on an oil change. Not bad. Not bad. I'm really liking my wear numbers on all of my cars with the Pennzoil. I used to be a staunch Mobil1 only user.

I have a bet with a guy at work that Pennzoil Platinum will have lower wear metals than Mobil1. I'm doing this test on two cars. This is also my first UOA on this vehicle. When I took this sample, I was changing the oil and I am now using Pennzoil Platinum high mileage 5w30 for consistency. Both...

I purchased this vehicle earlier this year. I don't know the exact type of oil used at the dealership I purchased it from, but the best they could tell me was it is Total brand full synthetic 5w30. I don't know the exact miles on the oil but I did put almost exactly 4000 miles on the oil before...

I recently picked up an IS-F for a fun car and one of the big selling points for me was how immaculate the engine was inside at 80K miles. The vehicle was always dealer serviced (I have the records) and it is noted on each ticket that the customer supplied Mobil1 5w30 every time. This is what I...

I bought a 2004 Volvo V70 T5M with 280K miles on it and it would seem that the previous owner stopped caring about servicing the thing since they were getting rid of it. I pulled the oil pan and cleaned a bunch of crud out of the pan. I also cleaned out the pickup screen because it was full of...

Hey, new poster here! I have a 2004 Volvo S60 (non turbo) that appears to have some [censored] ring sealing. I have spent the past several days googling "site:BobIsTheOilGuy.com" looking for information and I have come to the conclusion that there are two options for me. 1. AutoRX. Seems to be...