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Owners manual still says
For the first 1,000 mi (1,600 km), avoid driving at high speeds, heavy braking, aggressive shifting or using your vehicle to tow.
For the first 1,000 mi (1,600 km), avoid driving at high speeds, heavy braking, aggressive shifting or using your vehicle to tow.
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When was the last time you heard of someone having issues because their engine wasn't broken in properly? Can we get back to arguing over synthetic or dino, EFI or Carb, Leaf or Spring?
OP
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I worked in the automotive industry (supplier for the production facilities) and had a number of conversations with their engineers along with race engineering teams over the years.
Not all modern engines are "broken in" at the factory. Some higher end, hand-built engines, are actually broken in on a dyno. The engines that go into hundreds of thousands of vehicles are not broken in at the factory. It would be impossible to properly run-in all the components on the engine at that scale.
I keep my vehicles for a long-time. I want them to last as long as possible without any issues (I had a 2000 VW Golf GL, 5-speed manual that I put 240K miles on and traded it for $300 and still had the original clutch).
If you want to drive it like you want to and ignore what the engineers (who actually designed the engine) state as a break-in period - go right ahead. It could end up costing you problems down the road, but we all know it's just a piece of junk that Ford doesn't know how to design an engine properly.
Not all modern engines are "broken in" at the factory. Some higher end, hand-built engines, are actually broken in on a dyno. The engines that go into hundreds of thousands of vehicles are not broken in at the factory. It would be impossible to properly run-in all the components on the engine at that scale.
I keep my vehicles for a long-time. I want them to last as long as possible without any issues (I had a 2000 VW Golf GL, 5-speed manual that I put 240K miles on and traded it for $300 and still had the original clutch).
If you want to drive it like you want to and ignore what the engineers (who actually designed the engine) state as a break-in period - go right ahead. It could end up costing you problems down the road, but we all know it's just a piece of junk that Ford doesn't know how to design an engine properly.
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Iām a firm believer in driving it on day one like you intend to drive it the rest of its life. Iāve always put my new cars through their paces and itās never disappointed me. Ran several well over 250k.
I do the same thing.
The one thing I do avoid is flat cruising, especially on cruise control for long periods of time. The rings/ engine need variance in RPMs and load to properly break in.
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