http://www.oilburners.net/articles/cavitationartic.html
-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Dennis Haynes Sent: Sunday, November 06, 2011 7:51 PM To: vanagon@GERRY.VANAGON.COM Subject: Re: Availability of VW Blue Coolant (one for Vanagons) Some good stuff why Diesels need special antifreezes. Most notable is that the Waterboxer being a sleeve engine can also benefit from the Diesel coolants. Most of the corrosion we see on the heads, the liners, and the studs is due more to this cavitation erosion than actual rust. Dennis http://en.wikipedia.org/wiki/Nucleate_boiling http://www.thedieselstop.com/forums/f67/cavitation-coolant-sca-information-2 02709/
-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Alan Felder Sent: Sunday, November 06, 2011 9:53 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: Availability of VW Blue Coolant (one for Vanagons) On Sun, Nov 6, 2011 at 7:27 AM, Dennis Haynes <d23haynes57@hotmail.com>wrote: > Any ethylene glycol based antifreeze becomes corrosive when heated and > mixed > with oxygen. > I have been using prestone 50/50 longlife, expecting to change out about every two years in my diesel westy. I am wondering if going to a different coolant will allow me to extend the change interval, or if the prestone is good for longer than 2 years? -- Alan Felder Austin TX 82 Diesel Westy |
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