/snip
>Flushing cold water through the engine while it was hot or running is
>the ideal method to crack and warp heads. Why do people do this? /snip
more/
>The heads and upper cylinders will get well over 210,
>which will flash vapor plain water in an open system.
>Dennis

Here here, BTDT, don't try this at home unless you're handy with a head
gasket replacement.

JB
'89 Wolfsburg x 2 (one blew a head gasket while trying to flush system when
warm...wasn't the hose pressure but the steam pressure that did it)