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Rough vibrations at low engine speed - B18 140-160 1971

posted by  MisterBLC on  Wed Dec 15 04:49 CST 2010
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last visit: Tue Aug 26 14:55 CST 2014
[RELATED]

Thanks everyone for the helpful comments. I got a chance to take a look last night and it ended up being the new valve cover...I took it off and found wear marks indicating that valve #1 was hitting the cover. I put the old one back on and viola, the problem went away. Thanks Rhys for the idea of checking that! Sometimes it is the simplest things :)

I still need to sort out the carbs better, however, given the state of the plugs. The current carbs are a mismash of parts and I have had trouble with hesistation from a stop which is why they are running too rich. It may just be time for a full rebuild soon.

Thanks again for the help everyone!






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