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2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-18-2007, 09:56 PM   #11
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tj are you still running the stock L36 fuel pump whit the cold air maybe its running very lean that plug look like it melted
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Old 11-18-2007, 10:01 PM   #12
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Yup stock L36 pump but when we checked fuel pressure it was up to par. But it was warm, so it is worth checking again.
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Old 11-18-2007, 10:01 PM   #13
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TJ, side-gapping is a spark plug modification, not a technique for gapping. Google it.
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Old 11-18-2007, 10:06 PM   #14
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ahhh, i see. Thanx
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Old 11-18-2007, 10:06 PM   #15
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i would think that engine running lean because whit the cold air last time at the track youre time where way off youre PB of 14,77 i think
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Old 11-18-2007, 10:11 PM   #16
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I agree, the car has felt sluggish. Was running low 15'* instead of mid-high 14'*. Trapping only 90-91 instead of 94 it was trapping. So that may be showing something. But all the plugs were dark (i mean black black) and smelled fuel strong. So to me it wouldnt be showing a lean condition but i may be wrong :(
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Old 11-18-2007, 10:28 PM   #17
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Running rich on one or two might make your single O2 sensor to lean out all the cylinders, causing a problem on one or two.

Let'* see all the plugs.
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Old 11-18-2007, 10:32 PM   #18
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I am going to send the plugs to Bill boost tomorrow. And have him put some pics up. My camera is just not made for the close ups, and all i am going to do is confuse people. I can hear it now...."what is that in those pics, are those actually plugs.... just looks like fuzz)
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Old 11-18-2007, 11:42 PM   #19
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Any indication of carbon tracking around the insulator? Remembered a thread from last year where "The Engineer" was having problems with Autolite plugs cracking.
http://www.bonnevilleclub.com/forum/...ic.php?t=53249
There never was a resolution posted, and appears to be an isolated incident. Might be worth checking, however.
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Old 11-18-2007, 11:55 PM   #20
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Umm, i really dont know how to answer that. I would say from the threads down is covered in carbon.


None of the porcelian was cracked on his plugs, but recently i cracked 2 plugs on my bonneville, same plugs, also bought from the same place. Maybe that is an issue.
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