I agree if for nothing else to be on the safe side. I'd like to
hear from someone that works at an engine plant. Our engines are ancient
but when they are rebuilt they have materials built to todays specs,
unless of course as I said, someone has a bunch of old metal or whatever
laying around and melts it down just for us.
...Art
On Mon, 6 Oct 1997 dmeadow@juno.com wrote:
> Art:-
>
> Most new cars do have a break-in period today (or "run-in" in Britspeak),
> but the limits are not as onerous and are more for bedding in the brakes
> and other parts rather than the engine. The two new cars I have bought
> over the last ten years both suggested avoiding panic stops and not
> exceeding speeds of 60 mph and for the first 1,000 miles.
>
> My understanding is that the manufacturers go through a break-in process
> for the engine in the factory, before the engine is installed in the car.
> I'm not sure how this is done, but I have seen assembly line films that
> show a worker spinning an engine on an electric motor. I'm sure modern
> materials have something to do with this as well.
>
> In any case, don't think you shouldn't go through a break-in process on a
> rebuild because your new Toyota doesn't need one. The motors in our MGs
> are comparatively ancient in technology and should be dealt with
> accordingly.
>
> David Littlefield
> Houston, TX
>
> On Mon, 6 Oct 1997 10:32:22 -0400 (EDT) Art Pfenninger
> <ch155@FreeNet.Buffalo.EDU> writes:
> > Question of the day...After an engine rebuild why do we
> >practice
> >the ancient ritual of the dreaded BREAK IN PEROID? It used to be that
> >when
> >you bought a new car and drove it off the showroom floor you had to
> >break
> >it in. Today you pick up the car and off you go 60 miles an hour. Do
> >any
> >of the manufactures still require a break in peroid?
> > I know what the books say about this (they actually don't say
> >much
> >if you really read them) some even give a schedule to follow after a
> >rebuild. I suspect however that this information is being carried over
> >from when this was required by the industry. Unless the companies that
> >produce the replacement parts have a stock of old metal that they melt
> >down
> >I can't see any difference between a rebuilt engine and a new one.
> >Parts
> >is parts. Now if the new car companies still require a break in peroid
> >then thats another story.
> >...Art
> >
> >
>
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