Date: Thu, 4 Jan 2018 13:57:48 -0800
Reply-To: Neil N <musomuso@GMAIL.COM>
Sender: Vanagon Mailing List <firstname.lastname@example.org>
From: Neil N <musomuso@GMAIL.COM>
Subject: Re: Thermostats especially in colder weather
Content-Type: text/plain; charset="UTF-8"
Thanks Dennis. No, the temp gauge gets to its' normal spot. Just takes
longer. Not directly related to thermostats but another cause of poor heat
in my van is the way I modified the then air cooled engine heat exchange
box at dash to accept a heater core. Won't be doing that again. LOL. And
I'm sure the non OE type coolant pump isn't helping either. As you've
noted, it probably doesn't move coolant as well as the OE type with cone
shaped impeller. Anyhow..... digressed.
On Thu, Jan 4, 2018 at 1:24 PM, Dennis Haynes <email@example.com>
Of course in colder weather it will take longer for an engine to warm up.
> With a thermostat that cracks open to early it may never warm up. Most
> vehicles with small engine do not have 5 gallons of cold coolant available
> so even if a stat opens early they still warm up. Another reason is that
> the intake air used for combustion is also colder so a lot of cooling
> occurs just from intake air. This is a real problem with diesels as they do
> not have throttles so every piston stroke takes in the full volume of air
> and at idle there is just small amount of fuel burning to warm it.
> However, your engine still uses the mixing approach and the heaters alone
> have a lot capacity for cooling the engine. If the temp gauge seems to only
> go to some point lower than normal it could be a bad or lazy stat.
> From: Neil N [mailto:firstname.lastname@example.org]
> Sent: Thursday, January 4, 2018 3:12 PM
> To: Dennis Haynes <email@example.com>
> Cc: vanagon <firstname.lastname@example.org>
> Subject: Re: Thermostats especially in colder weather
> Thanks for that brand suggestion Dennis. Though I'm running a different VW
> engine in my Vanagon, I have to wonder if the thermostat is part of the
> reason my heater is barely adequate in cooler temps (e.g. 0º C)
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