Thread: oil changes
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Old 03-11-2013, 11:52 PM
TIMZTOY's Avatar
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Join Date: Apr 2009
Location: Denver
Posts: 1,914

Originally Posted by AxleIke View Post
Dang, I dunno, perhaps my engines were not taken care of by PO's, but at 5k, my Mobil1 comes out blacker than coal.
That's the motor. And previous oils. The oil is supposed to remove carbon from the motor.
If you run a flush it should help get rid a lot of that carbon.
I don't use chemical flushes.
I use DEX 3 transmission fluid.
Run 1 full quart (remove 1 quart or oil) of transmission fluid through your motor for 15-30 minutes just before you change your oil. And you'll be surprised how clean that will get you.
I also run (on old dirty motors) 1/4 quart of tranny fluid the either 3-5000 mile oil change.
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