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Old 10-08-2014 | 04:49 PM
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av8tor1977
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Click here for definitive info: http://www.rcuniverse.com/forum/engi...-comments.html

As far as I know, you have to pull the backplate to be sure. There are two different flywheel keyway designs too, but to my knowledge that is NOT related to whether it is an externally balanced engine/flywheel.

AV8TOR
Last edited by av8tor1977; 10-08-2014 at 04:52 PM.
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