Someone else shares my point of view.
From:
http://www.autofarm.co.uk/pdf/Total911_July06.pdf
"That said, he and Steve say that, if
your engine’s going to fail, there’s not
much you can do to prevent it. Although
Nick has his own pet theory: “Jonathan
Palmer Motorsport has several 3.4-litre
cars which are driven hard on the track
every day,” he says. “These engines are
running fine, whereas maybe those that
have been driven more sedately seem to
suffer problems!”