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There was a note from the 1st owner in the manual that stated he switched over to Fully Synthetic Mobil 1 10w30 as soon as the engine was broken in and that he maintained the car meticulosly. I don't have any info on the second owner, but he didn't have the car very long (carfax report), and the...

Okay...that makes me feel a little better. I am still going to send a follow up sample at my next oil change to see if the numbers vary any.

Thanks for the replies everyone. I am sorry that I did not provide enough info in my original post, I apprieciate everyones patience. Here is the rest of the info from the test. Again, tested values are before the slash, and universal averages after the slash SUS. Viscosity (sustained???) =...

As far as driving habits...a little more detail Since I bought it 6 months ago, the car has been a city car for the past 6 months. I have just recently moved to the country and the car sits for most of the week, until the weekend, when I drive it 1hr (highway) down to the city...where it sits...

I have been running Mobil 1 10w40, when I took the sample I switched to Castorol Syntec 10w40 and after this OCI I will send in another sample for analysis to see if things change. I don't have the money for a new short block, how worried should I be about my bearnings...is this severe...

I recieved my oil report back from Blackstone Labratories, and they reported that everything was fine execpt for the high amount of lead in my sample. Here are the numbers the number before the slash is the test reading and the number after the slash is the universal average. This is from a...

Well... I am glad to see this post is going well! Thanks for the input everyone. As far as my car is concearned, it is an 02 WRX w/ 84k on the motor. The orginal owner switched over to Mobil 1 10w30 after the motor was broken in. I got the car with 72k on it, and I have done 4 oil changes on...

I was looking at Auto-Rx, and the procedure calls for Dino oil...my car has had synthetic in it since the engine was broken in (previous owner) so I was just wondering if switching to dino so I could use Auto-Rx would be a problem. Thank you.

Hello, new here! WOW look at all those emoticons! Is it okay to switch back and forth between synthetic and dino oil?