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  #1  
Old 11-19-2012, 04:07 PM
Jack None's Avatar
good luck with that
 
Join Date: Apr 2012
Location: Los Angeles
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themostats

Has anyone running two-tank SVO experimented with thermostats?

I'm thinking to run the coolant system hotter. My system used to get to "equilibrium" on the highway at 80 degrees on the gauge but sometimes, esp. now that it's cooler out, it can stay at 60 degrees for a long time, essentially indefinitely. I don't think it does this for lack of heat, I think it has to do with the thermostat, but other than a little plumbing for the VO system I haven't gotten to know this system yet.

My goal is to switch after about 5 miles, ideally at 80 degrees, though I don't think switching at 75 or even 70 is really that awful. What temps are you guys switching at, and how many miles does it take for you to get there?
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  #2  
Old 11-19-2012, 04:42 PM
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I don't run a two-tank system, so I can't address your question, but I will say that your engine should be at 80 regardless of season. If you run 60 indefinitely, your tstat is stuck open.

I had this happen on my CDI, the temp took forever to get to 60 and never went above. My mpg plummeted to below 20, when it's normally north of 30. New tstat did the trick.
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  #3  
Old 11-20-2012, 02:44 PM
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I mounted a temp sensor on the injection line,and fattywagon heaters I don't use wvo till 185 degrees
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  #4  
Old 12-16-2012, 01:09 AM
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good luck with that
 
Join Date: Apr 2012
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Yes, new t-stat did the trick.
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  #5  
Old 01-06-2013, 09:34 PM
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to heat up a little faster u could try a winter front cover in front of rad, piece of plexi glass. Just watch ur temps to make sure u don't overheat if it's not winter time, keep in mind ur veg system pulls extra heat out of ur engine meaning u have a bigger cooling system. I have experimented with hotter thermosts and see no gain in switch over time or driveability issues, i run stock thermoistat now.
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1990 Mercedes benz 300D 2.5 Turbo (170,000 miles) wrecked and sold as parts car

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  #6  
Old 01-07-2013, 06:33 PM
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good luck with that
 
Join Date: Apr 2012
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thanks for the good suggestion. however, on my car, even driving in 10-below F temps, the coolant was heating up fine according to the dash gauge.

my FEET were freezing, though, some kind of draft or maybe there's supposed to be a foot-level blower in these cars? it may be a vacuum problem. I have a few vacuum problems. time to work on vacuum.

It's always an adventure with these 30-year-old cars.
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  #7  
Old 01-07-2013, 08:14 PM
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good luck with that
 
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btw, just noticed you're in Shabbona. We just drove through a few days ago, on Rt. 30 going home to LA from Chicago as part of our just-completed 4367 mile road trip. if you saw an old tan 300d chugging through town with 20 gallons of WVO on the roof, it was I.

on the shores of the lake there was where I realized I'd end up marrying the woman I indeed ended up marrying. that was a few miles back up the road.
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  #8  
Old 01-07-2013, 09:44 PM
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wow thats a long trip, did u run entirely on wvo? I did not see u crusing thu shabbona, i drive from shabbona to naperville everyday for work. As for your heating issue, i don't know much on your car but i now on mine if i have my heater on and am pulling heat into my car my vegg system takes longer to switch over, and obviousleay that works the other way too i .
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2011 e320 cdi (132,000) current
2005 Jeep CRD diesel--2.8L (138,000 miles) wrecked, insurance took
1993 Mercedes benz 300D 2.5 Turbo Frybrid powered. (336,000 miles) wrecked and sold as parts car
1990 Mercedes benz 300D 2.5 Turbo (170,000 miles) wrecked and sold as parts car

Check out my Frybrid Vegtable Oil Conversion at http://1990300dfrybridconversion.shutterfly.com/
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