> >From what I can tell, this is perfectly normal for this > engine. My C-90 does the same thing. The kinda primitive > engine mounts make it worse. Was the original engine smooth? > How did you do it?
Somewhere around 1991-1994, Coupe Capers ran at least one article about dynamic balancing. In dynamic balancing, the engine is run with instruments attached, then weights are attached. Much like spin balancing a tire. It was reputed to give a _much_ better balance and reduction in vibration. At the time several people really swore by it (and I never heard anyone swear at it). I don't have any direct knowledge of the subject, though, sorry. -- Ed Burkhead East Peoria, Ill. N3802H, 415-D
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