Message text written by Jeff Johnson
>How about the new Corvettes or BMW Z3's that come from the factory w/
synthetic oil? Well, now, those would be horses of a different color. A
lot of new vehicles are coming on the road with a synthetic blend oil from
the factory. Many new Fords and a lot of new Hondas. Is there a controversy
here? No, your TR engine is something entirely different.<
The difference between a new Ford (or Honda or BMW) and the TR engine you
just rebuilt stems from customer expectations. Buyers of new cars don't
want to be bothered with an oil change right out of the box so the engine
builders resort to things like pre-lapped rings, more accurate machining to
tighter tolerances and factory run-in so that the break-in period is
already dispensed with when the car is delivered. Besides, it's an
effective marketing tool to not require the customer to "break-in" his new
car.
When our cars were built there was not the market pressure to take these
steps before delivering a car. In fact the opposite was true and customers
expected to "break-in" their new cars and the concept of buying a
pre-broke-in car could lead those of a suspicious nature to wonder who's
been driving their "new car."
And when you rebuild your engine it is up to you to break it in since that
is part of the process as is dropping it back in the car and bolting it up.
The technology hasn't changed as much as the processes.
Dave
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