Re: 1949 288 Straight 8 Break In

Posted by HH56 On 2022/6/15 11:32:00
Packard had a recommendation in the 51-4 service manual which used the same engine of simply running the reconditioned engine at a steady speed until it was at operating temp. They don't mention a need for the other steps but as long as the first run to temp followed the RPM recommendation I doubt the extra would hurt.

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