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Old 01-21-2020, 04:18 PM
68-428 68-428 is offline
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Join Date: May 2017
Location: Tucson, Arizona
Posts: 10
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I had that cam in my 428 with stock Kauffman D-ports until I cooked a main bearing 2 months ago. With the motor out, I had Jeff Kauffman port the heads to 320 cfm. I should have it all back together in next couple of weeks. What combo is yours going in?