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I would suggest the change of things is what
requires re-balancing, whenever you put together an engine that has changed
rotating parts; or, at least, it should. Many seem to think rotaries don't
need such arcane and esoteric stuff as much as piston type stuff. I don't know
enough to get into those arguments; but, it seems that putting together this
rotor, that rotor, this flywheel with that flywheel or automatic flex plate and
this or that balance weight and bolting a drive adaptor made from a partially
disassmbled cluch plate center would tend to not fall with balance specs too
well, imho. I can only suggest, especially, since I am told rotary
balancing is sort of a black art, at best, that this would tend to fall within
the out of balance range sufficient to notice and/or cause a problem, even more
than the trading of pulleys, flywheels, harmonic balancers, etc. on some gm
products . I would even suggest the bolting up of the drive adapter to a
specific/same flex plate or flywheel, just not in the same mounting
position will change things. Those who have already done these things can
tell you if it is enough to cause any concern or wheher they are still
harmonically smooth enough to be no problem, at least for them. Now
whether you are comfortable with it is up to the individual.
jofarr
Thanks, Ed. I have to admit that I am
still not certain that I understand everything I need to know about the flex
plates, etc.
Hi Paul,
Maybe I'm missing something, but why do you need to know
anything about flex plates for your engine swap? Aren't you going
to install the Ross drive on the new engine? If so, wouldn't
you also move the Ross drive plate (with the springs) and or flex
plate at the same time? I just don't see why you need anything
new.
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