Join Date: Dec 2001
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OBA- Kilby OverDrive pulleys
I am contiplating using the Kilby OD pulley (P/N 061-007) to power my OBA. If my calcluations are correct (6.75" crank, 1.9" alt pulley), my alternater will be spinning approx. 26% faster.
This means, at 4000 crank RPM's (worst case), my alternator will be turning 14211 rpm's (compared to 11250 now).
I know, if my regulator is functioning, the alternator won't be spitting out too much juice, however, I'm concerned with the internals.