In a message dated 5/15/2010 2:45:36 P.M. Eastern Daylight Time,
marcsayer@HUGHES.NET writes:

All that  said, the use of Drano on
anything containing aluminum is unwise, and  especially in cooling
systems on aluminum engines.

hello Who in the world ever said anything about running it thur a
motor????    To do something like this you would want it out of  the van.  Plus what
we were doing was heater cores and we never ran it thur  the engine at all.
we just removed the hoses and used a funnel to fill it up .  after letting
it sit for a while we then flushed the core out, you could do the  same with
a radiator.   later  mark d