Quote:
Originally Posted by Bored&Stroked
I'm glad that they will work with you to get it right - that is the most important thing. Every single one of us and all shops make mistakes - it is WHAT we do about them and HOW we go about it that distinguishes the GREAT people and businesses from the others.
A flathead engine is internally balanced - so you can mix-match component assemblies (as long as the assemblies are balanced). Example, you can pull the flywheel/clutch out of one engine and swap them in another - no need to re-balance the internals of the engine as long as the flywheel/clutch are correctly balanced (and the crankshaft/rods/bearings/pistons/rings were also balanced as an assembly).
Flywheels/Clutches: Some folks can/will balance each component independently of the other - such that there are no issues with indexing the clutch plate to the flywheel. But, it is not a big deal if a clutch plate is indexed/balanced to the flywheel - typically both are marked with punch marks to denote the index position. On most of the flatheads that I've built, the machine shops will specify/mark the index position - as it is EXACTLY how they were put together an ran on the balancer . . . so it only makes sense to keep them together and to install them in the same manner.
Good luck with your quest and please let the Barn know what the problem actually was and how it was resolved.
Take care,
B&S
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What do you do if a clutch change is required when all is done on flywheel as a complete assy???
Most are balanced by themselves to "zero"
so a change won't the balance.
R