Break in period RPM?

[hoodscoops]

What RPM do you guy normal keep it under for the break in period. Manual doesn't say. It just says avoid excess speed

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[A.alansari]

I think it is around 1700km

I tried to stay under 4000rpm on that period
and changing speeds is better than holding the car on 1 speed in this period like I don't know to describe it but like let the car work in changing gears at different speeds instead of like in a highway and you hold at 80 for longer period of time its like you are training the ecu

 

[Skye]

We've had a few threads with break-in related questions. I'm attaching links to several I've commented within.

In general, I took a progressive approach. As engine builders do on their dynos, I increased the working RPM band on the engine very early on. I was routinely hitting 5000-6000 RPM (roughly 80% from redline) at the 100 mile, 160 km mark and have been hitting that range (and sometimes higher ) virtually every drive since. Oil analysis has proven I have a healthy engine.

The RPM noted is not hit every shift. From a few to several times over the course of one drive, in differing ways. The following threads will provide greater detail.

https://www.mustang7g.com/forums/threads/new-mustang-owner.156812/#post-3202835

https://www.mustang7g.com/forums/threads/break-in-period.163458/page-2#post-3309470

https://www.mustang7g.com/forums/threads/break-in-period.163458/page-4#post-3318845

https://www.mustang6g.com/forums/threads/first-oil-change-and-analysis.132878/page-2#post-4125644

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