[s-cars] s-cars] Siren under hood....

[Walsh, Edward]

Tom,

I'd guess that, during the week of rest, the oil film that lubricates the
turbo shaft "lost its prime".  The oil probably dripped into the cold side
of the turbo and was sucked into the combustion chamber soon after startup.
Thus the black puff of smoke you witnessed.

I'd also guess that the siren you heard was the Turbo's shaft spinning _on_
the turbo housing because of the lack of oil.  Once the prime was back and
the shaft lubricated, the noise stopped.

Ed


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