Ah yes, gotta love opposing opinions :-) Thanks for the input. Well, our handy-dandy service manual says, "High Quality Ethylene Glycol containing Anti-Corrosion for Aluminum Engine Inhibitors" but does not specify about Silicates/Phosphates as lubricants/inhibitors. The coolant I was considering is the Prestone Dex-Cool clone. This sludge thing has me wondering. Seems like an odd behavior for something that will be heated, cooled and exposed to air regularly. I suppose we'll need to assign a committee to investigate Dex-Cool solubility ;-) Thanks again. Mike Oberle 1990 Shiny-Black MonkeyMax VMOA #1355 -----Original Message----- From: Don Seel [mailto:[EMAIL PROTECTED]] Sent: Saturday, August 05, 2000 4:21 AM To: V-MAX TECH LIST Subject: re: Coolant I hate to arrive late to this conversation, but feel I must get my 2 cents in. IMHO using GM's Dex cool would be a huge mistake. Now without getting into the rant that I submitted the last time we discussed this, I will attempt to relay some of the horrors that Dex Cool creates. Picture a radiator in a 1998-2000 GMC Jimmy or Chevrolet Blazer that is 1/2 full of dark brown sludge. This is what happens when hot Dex Cool comes in contact with oxygen. Strangely enough, hot coolant will come into contact with ............................................. To unsubscribe go to http://www.sayegh.org/unsubscribe.htm .............................................
