Thread: SMOKE: i'm taking the VALVE COVER off again. what should i do whilst in there?
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Old 08-03-2007, 08:45 PM
SD Blue SD Blue is offline
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Join Date: Jun 2004
Location: West of Ft. Worth. TX
Posts: 4,186
If you were using a significant amount of oil, then I would think the valve guides would be suspect.

However, yours sounds like a fuel/incomplete combustion problem. If you saw a significant amount of carbon on the nozzle itself (as mentioned in your other post) then there could be problems with the prechambers which have small holes to pass the atomized fuel. Carboned prechambers could also affect glow plug operation.

With that much coking and carbon, has this car been run on waste veg-oil?
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84 300SD 350K+ miles ( Blue Belle )
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