On Wed, 8 Oct 2003, Jim Morgan wrote:

> I used prestone straight up. Where there is water there will be
> corrosion on the advice of my local guru who has 50+ years air cooled
> experience.

He may be an air-cooled guru, but I don't think this is a good idea.
Undiluted antifreeze will not cool as well as the 50/50 mix you're
supposed to use.  Ethylene glycol just doesn't have the heat carrying
capacity that water has.  (This is why race cars run straight water.)

David Brodbeck, N8SRE
'82 Diesel Westfalia
'94 Honda Civic Si