Nug Posted April 9, 2004 Share Posted April 9, 2004 Non-aqueous propylene glycol. It has a better heat transfer rate than 50-50 water/glycol mix, won't boil, and is non-poisonous. It doesn't form air pockets in the water jacket of the engine, so there are no localized hot-spots that can aggravate metal warpage. Grassroots Motorsports magazine did an article on it that seemed very imformative. Yeah the stuff is expensive, but so is a blown head gasket. Read the entire article, please. http://www.evanscooling.com/html/npgPls.htm Quote Link to comment Share on other sites More sharing options...
Nug Posted April 9, 2004 Author Share Posted April 9, 2004 And here is a page from GRM magazine... http://www.grmotorsports.com/mustanggt.html Quote Link to comment Share on other sites More sharing options...
Soobadooba Posted April 10, 2004 Share Posted April 10, 2004 Sounds pretty friggin' appealing to me providing no unexpected nasty side effects crop up over time. Didn't see a price. How much is it? -Louis- '04 ForesterXT 5spd '91 Loyale 4wd 5spd Wagon Quote Link to comment Share on other sites More sharing options...
Nug Posted April 10, 2004 Author Share Posted April 10, 2004 heh heh heh... About $25 a gallon. Theoretically, you never need to replace it. I'm gonna seriously consider getting some for my Jaguar when I swap engines, jags have problems with the head studs rusting in half. I like to avoid that sort of thing. I'm gonna look into getting a 55 gallon drum for the vehicles at work. About $1100 worth. Quote Link to comment Share on other sites More sharing options...
Hentai Posted April 10, 2004 Share Posted April 10, 2004 Just bought a 97 Lagacy Outback, 2.5L DOHC, I have been very happy with it so far... Is the HG a problem on this engine. Just wondering? H Quote Link to comment Share on other sites More sharing options...
Soobadooba Posted April 10, 2004 Share Posted April 10, 2004 25 bucks doesn't seem so bad considering the possibilities of this stuff. I just wonder if it would void my warranty. Don't wanna give SOA any excuses for not repairing my engine if the need arises...even if I know it is better than what they put in it at the factory! -Louis- '04 ForesterXT 5spd '91 Loyale 4wd 5spd Wagon Quote Link to comment Share on other sites More sharing options...
Soobadooba Posted April 10, 2004 Share Posted April 10, 2004 Just bought a 97 Lagacy Outback, 2.5L DOHC, I have been very happy with it so far... Is the HG a problem on this engine. Just wondering? H I don't have any personal experience with that model, but yes, I believe that is one known for headgasket problems. I wouldn't lose any sleep over it though. Just keep the cooling system in top condition.-Louis- '04 ForesterXT 5spd '91 Loyale 4wd 5spd Wagon Quote Link to comment Share on other sites More sharing options...
frag Posted April 11, 2004 Share Posted April 11, 2004 Where do you buy this stuff ? I'm interested. Quote Link to comment Share on other sites More sharing options...
Nug Posted April 11, 2004 Author Share Posted April 11, 2004 http://www.evanscooling.com/catalog/C_npg1.htm go to the bottom of the page for ordering info Quote Link to comment Share on other sites More sharing options...
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