Oil change....
My oil is looking quite dark at 37%, used to look good at 50% when the engine was stock. About 3500 miles on this interval, half the miles driven were on the expressway, and the other half were racing around and going hard on the eway above 120-160+ Sorry I am addicted to speed.
Just looking for input. Got 8 qts and new filter in garage waiting to go in very soon. 8 qts because I have a built in oil cooler.
I get oil analysis done at the end of each oil change though, so I know my oil is still in good condition.
I know that Mobil 1 oil is good stuff but I am putting a lot more stress and strain on all my internals now that I am putting down 473 rwhp 431 rwtq. Are you running stock, or heavily modified and running to 9000 miles between changes?????? I had my oil checked after a couple of times when I first got the car, and it was stock. At 5000 miles the oil looked and tested good, but I was taking care of my baby. Now at 3500 miles my oil is quite dark. I am a little concerned about a modded engine breaking the oil down so quickly. Thanks for the reply.
I wonder if I should keep up that practice since I have all this money into the motor and car now. I'll see what oil test results say first. 8 qts + filter isn't cheap. (8qts built in oil cooler)
This is my first my oil change since the oil cooler went on, I hope there isn't any problem getting all the use oil out of the lines and coolers. I'll let you know.
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