New motor break-in
5th Gear Member
Joined: Jul 2006
Posts: 2,990
From: San Diego, CA
RE: New motor break-in
Would you have to break in a motor like this if it is freshly rebuilt? My dad and I just had our 351 windsor rebuilt and will be putting it back in hopefully in a week or so.
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logan409
4.6L (1996-2004 Modular) Mustang
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Sep 26, 2015 07:43 PM
