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I believe in varying rpms and speed with a few short hard pulls early on to set rings after a few heat cycles. I do this with all my stuff and it works very well. I wouldn’t wind it out tight for a long run until you get 500 or so miles on it. But don’t baby it for 1500 miles or it could be a oil burning low HP dog because of unseated rings. Most engine builders break in on a dyno.
Last edited by 1roadking; 02-15-2018 at 08:29 PM.
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