Thanks, Paul!Ergo, when in doubt, pure H2O works fine, in a non-air conditioned FWDLK'er, as originally designed, and tested by Ma MoPar.I'll bet that not many people know the real intended purpose of that radiator 'drain' tube--- to relieve excess internal pressure, rather than as a coolant-fluid drain pipe. Neil Vedder Paul Holmgren wrote: Jan & Roger van Hoy wrote: snipYou did answer your own question, Neil, glycol-based anti-freeze was used year-round even back then. It was required in A/C cars, but useable in any. And ethylene glycol raises the boiling point as well as lowering the freezing point.--Roger van Hoy, Washougal, WA, '55 DeSoto, '58 DeSoto, '56 Plymouth, '66 Plymouth, '41 DodgeThe PROBLEM TODAY as I understand it is that antifroze is still mostly ethylene glycol --> BUT <-- the additive package the makers use and put in with the ethylene glycol before we buy it in the gallon container is what makes the modern stuff today a problem with the older car cooling system and PRACTICES. our stuff stayed the same, but the game changed!!!!! ************************************************************* To unsubscribe or set your subscription options, please go to http://lists.psu.edu/cgi-bin/wa?SUBED1=l-forwardlook&A=1
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