> While there seem to be plenty of good reasons to break-in with bursts
> of load (which means driving in the traffic for most of us without a
> rolling road), cam shops insist that you break-in the camshaft 20
> minutes or more at >= 2000 rpm, this, like Harold says, to insure
> good cam lubrication.
There's definitely no single answer to engine break-in. Just to illustrate
the point, Kas Kastner recommends letting the engine run at low rpm, just
above idle, for several minutes, to work harden the surfaces of the cam and
lifters.
Randall
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