If the cooling system can't keep up than there is no benefit to using a lower temp stat in warmer weather. Using the lower temp stat also means wider temperature fluctuations based on operating conditions and load. More fluctuations means expansion-contraction cycles for various engine components which may mean even more wear. Use the proper t-stat and leave it there. As for water wetter any diesel type antifreeze including G0-5 has surfactants already.
Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Vanagon Sent: Saturday, May 26, 2012 12:02 PM To: vanagon@GERRY.VANAGON.COM Subject: Re: WAS Low Temp Radiator Thermo Switch "Better"? It's too much of a pain to swap the thermo twice a year on a 1.9 for me to do that. Sent from my iPhone. On May 25, 2012, at 10:39 PM, Scott Daniel - Turbovans <scottdaniel@turbovans.com> wrote: > here's what I like.. > the 87 C 'stat for winter, when you want better heater performance and the engine running nicely warm ( for better fuel economy ) > > and the 80 C in summer, with Water Wetter for when things want to run hotter. > >> |
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