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

 

[S650sunshine]

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

Keep under 4500rpm occasionally load the engine with sufficient throttle about 30-40% throttle to around 4000rpm.

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