I also have a 4.5" stroke SCAT crank but it is naturally a 3.0" main deal so I really can't help you out unless you went to a 3" main block or a 3.0" main cap and a bearing spacer in the block like Kaase did for the Pontiac testing in the Engine Masters deal.
Different dimensions but the same kind of deal.
Tom V.
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"Engineers do stuff for reasons" Tom Vaught
Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
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