No,
It is aluminum. I don't know about the heater core as it is aftermarket.
But it is Ford that does not want the orange stuff.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf
Of David Brodbeck
Sent: Sunday, June 29, 2003 3:02 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Prestone anti-freeze (Dex Cool)

Dennis Haynes wrote:
> my 1999 motor home with the Ford Triton V-10 has numerous
> warnings in the owners manual not to use anything that resembles the
> Dex-Cool.

Does it have a copper/brass radiator?  I've heard that Dex-Cool isn't
supposed to be used with copper rads because it doesn't protect the
solder joints from corrosion.  (Or actively corrodes them...I'm not sure
which.)