Steve,

Havoline Dexcool is the one I have researched.  Ethylene Glycol based,
phosphate free, and with a completely new carboxylate protection
chemistry that doesn't break down into weak acids over time like
conventional antifreeze.  You must be sure to get ALL the old stuff out
of your system, 10% or more of the it will destroy the new chemistry's
protection.  Good for five years or 50,000 miles. Info from another club
site:  http://www.theherd.com/articles/dex_cool.html

I am developing a new way to flush, fill and bleed the system I'll test
out this weekend and let you know how it works.  No more of this
elevated front end or running the engine at 2000 rpm while hot coolant
spouts everywhere *B.S.* I made an adapter for 25 bucks that should
eliminate this nonsense forever, even if I now only have to do it every
five years it is still too often!

Steve Sullivan wrote:
>
> And by that you mean which brands/types of coolant, exactly? Thanks from
> someone about to flush his system, er, the van's system.
>
> Steve
>
> P.S. I sure hope this doesn't start some long coolant debate thread!
>
>                 <snip>
>                 I'm going to put my faith in the new long life coolant
> acid-free
>                 chemistry.  Time will tell.
>                 --
>                 Stuart MacMillan

--
Stuart MacMillan
Manager, Case Program
800-909-8244 ext. 8208
Fax: 206-269-6360

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