Good Day to all:
First of all, when is necessary to key the crank? Is 8000rev limit with single crower racing springs using Cosworth 9.5mm lift int and exh cams in racing ?
Is it possible to key the crank and chain sprocet, trigger wheel in the local machine shop? The reason I am asking this is I believe that chain sprocket is surface cemented. If I cut the grove in it this will not be hardened and will not be able to hold?
Can I key the crank and still torque trigger wheel by the book and have as primary diamond washer friction and keyed as secondary retention?
Thanks,
Luka
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