- First Name
- Jake
- Joined
- Jan 4, 2020
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- various, construction engineer.
- Vehicle(s)
- '13 SLK55 AMG, '15 Indian Chief, '15 WRX
- Your Bronco Model
- Badlands
- Banned
- #16
In my experience, admittedly limited to diesel engine tests, rings are fully seated in a couple hundred thousand revolutions. Call it 80 miles in a manual and 120 in an automatic. I personally like to subject it to medium high loads both in power application and in compression braking to flex the rings during the mating process. Probably doesn't make that much difference as to how you choose to run the engine in. What does matter are the brakes and the clutch (should you be so equipped). Both need to be bedded in to get maximum life from them. My suggestion is to go read up on manufacturers suggested break in procedures for those two items and incorporate them into your first 500 miles or so. Factory installed stuff may be different than the replacement stuff, but I would think they need similar bedding in processes.
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