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Nikasil Break In

Engine Building Fundamentals

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Discussion and questions related to the course Engine Building Fundamentals

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Hi there,

I have a question about the break in process of a nikasil cylinders, like for example the Porsche V8 engines have.

As they are coated and not directly honed, do I have to go through the same procedure for proper piston ring bed in?



my experience with it is not to pamper it i always drove it like normal and have never had an engine use oil and not bed in yet and I've certainly built a lot every year for as long as i can remember

My only advice is don't let it idle in the first 20 min of running keep the revs up around 1500-2000 rpm and above

Regards Ross

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