Thread: Big port head vs small port heads?
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Old 07-28-2016, 09:02 PM   #4
Brian Boyer
Gone Wild
 
Join Date: Nov 2015
Posts: 238
Default Re: Big port head vs small port heads?
My motor ideally operates just ever slighlty above you all's max sustained rpm, but we run for lllong periods.

4,700 to 5,000 rpms or so on the top end,.. Need to make power from 2,000 through 5k.
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