I've read that. I think break in procedure is overrated. If you're breaking in a flat tappet cam, follow the rev procedure to avoid wiping a lobe. But as long as a roller motor is built properly, the rings probably break in once the motor gets up to operating temp.
I think people that have issues with break in, have issues with how the cylinder walls were finished, or ring install issues.
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I <3 forced induction.
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