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Author Topic: Crank pulley  (Read 1754 times)

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BigBlueIron

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Crank pulley
« on: July 14, 2017, 11:19:03 AM »
Does anyone know what crank pulley offset I need in BBC bolt pattern (ATI Balancer) Alternator only. Not really concerned what material, probably steel I can't think an aluminum version would really make much difference. Future plans for Jays water pump adapters with provisions for alternator.

Also a recommend diameter for an engine that will see 6500-7000rpm. Or overall recommended Alternator speed, I can change the alt pulley as well.
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bill_396

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Re: Crank pulley
« Reply #1 on: July 14, 2017, 11:37:45 AM »
I just used a short pump 60's chebby pulley with the center hole opened up. Line up was perfect.
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BigBlueIron

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Re: Crank pulley
« Reply #2 on: July 14, 2017, 11:51:06 AM »
Thanks, I'm clueless on all the different pulleys they have,
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