ChiefJones Posted April 2, 2013 Share Posted April 2, 2013 I am ready to run my new 350. I started it and set the timing and dwell etc and now want to make sure to break it in the best way possible...What works the best? So far I have been told to run the engine for 30 min at 2000 to 2500 RPM and that will do it. Quote Link to comment Share on other sites More sharing options...
gprimm Posted April 2, 2013 Share Posted April 2, 2013 I have used the run for 30 minutes between 1500 - 3000. Quote Link to comment Share on other sites More sharing options...
Mr70Monte Posted April 2, 2013 Share Posted April 2, 2013 depends on the cam, if you have a roller cam, no break in is needed. but if you have a flat tappet cam, as soon as it fires up, get the rpms up (2000-3000) & keep them there for 30 minutes (no idling) if you have any leaks or other problems, shut it down , fix them & then continue the break in process. Quote Link to comment Share on other sites More sharing options...
footballubet Posted April 2, 2013 Share Posted April 2, 2013 Don't forget to change your oil and filter afterwards also. Quote Link to comment Share on other sites More sharing options...
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