Quote:
Originally Posted by Synergy
Yes, it's a serious question. I know it's where the oil filter is. But there's no sign of oil leaking from the TOP as if somebody spilled oil during an oil change. It's darker on the bottom and fades as it goes up like it's coming from my head.
What would an owner's manual tell you about black residue on your motor? I build Honda race motors. Definitely not new to cars. My question was if anybody else notices this on their motor?
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By looking at your pic, you can see how the top near the filter cap is light and then gets dark, as a fellow engine builder (as you stated) you can see that as the oil drips down, the farther down the oil builds up, then the darker the burn will be from the heat. If your gasket is good then it would be from carelessness during filter changes. Oil would not spray up or leak from any where else and cause that kind of oil formation (light up top with becoming darker as it goes down).