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

posted by  Volvo From Heck on  Mon Dec 13 09:23 CST 2010
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last visit: Mon Oct 13 20:56 CST 2014
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Considering the condition of the plugs I'd look again at the carbs---maybe jet(s) sticking in the enrichment mode? An aluminum valve cover will muffle valve train noise. A bad engine bearing will not result in a whirring noise---a knock is what you would hear--maybe you're hearing a generator (or alternator?) bearing. -- Dave






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New Rough vibrations at low engine speed - B18 [140-160][1971]
posted by  MisterBLC  on Mon Dec 13 08:41 CST 2010 >


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