Very rich on the front carb. Slightly lean on the rear carb.
When properly balanced #2 & #3 run just slightly richer than #1 & #4
due to flow interference at the siamesed intake ports. Having the
carb mixtures way out of whack will exagerate the difference between
1&2 or 3&4.
At 06:05 PM 4/26/2011 +0000, Sam (sdesalvo at frontiernet.net) wrote:
>....
>Cleaned the plugs on my '78 MGB and found cylinders 1, 2, and 3 with
>fluffy black coating. I conclude I have a "rich" condition. Cylinder
>4 is light brown, no fluff. What would cause only one cylinder to be
>different from the other 3?
>....
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