Black soot in my exhaust |
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Black soot in my exhaust |
terrymason |
Feb 6 2007, 04:20 PM
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#1
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Member Group: Members Posts: 346 Joined: 23-November 05 From: Virginia Beach Member No.: 5,174 |
I fired up my 914, and let it idle in the drive way for a while, and noticed that small dots of black stuff (looks like oil splatter) seem to come out and stain the concrete. These aren't liquid at all, but are a black powdery soot.
Is it normal to have these black soot marks? Do you think this is because my car has sat for some time? |
terrymason |
Feb 26 2007, 10:07 AM
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#2
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Member Group: Members Posts: 346 Joined: 23-November 05 From: Virginia Beach Member No.: 5,174 |
I sat down with my Superperformance book, and looked at the section for setting the mixture, and it really didn't tell me much. I think that I'm missing a few of the underlying ideas. Are these two statements accurate?
1 The goal of setting the mixture is to get the engine as lean as possible without having any detonation 2 Detonation can destroy an engine pretty quickly. |
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