If they are both belt driven -why not just look at the fans? (My luck one will be a pusher, and the other a puller)
Failing that, put a big wrench on your input shaft and spin the works in the direction that the new engine spins
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Charles Fitton
Maryhill On.,
Canada
too many carriers
too many rovers
not enough time.
(and now a BSA...)
(and now a Triumph TRW...)
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