<However, my thinking was
<that using distilled water (boiling over at 212F) and flushing the system
<twice a year ( at 2000 - 4000 miles per year) would take care of the rust.
<One of the problems here in CA is that you are not supposed to dump your
<coolant (ethylene glycol type) into the environment (sewer, lawn, rain
<drains, etc.) so my approach at least gets rid of that problem.
<snip>
While I am a long way from being an enviro-wacko, the heavy metals disolved
into the distilled water from inside of the motor are more poisonous to pets
and wildlife than ethylene glycol is. Please take your used coolant, whether
Sierra, Prestone, or straight water to a chemical disposal site for proper
recycling or disposal. The dealership service department where I work
accepts used antifreeze at no charge. If your pet cat or dog drink even
straight water drained from an automotive cooling system it could kill them.
David Riker
69 Midget
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