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#1
11-19-2012, 11:59 PM
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is the 80 deg thermostat standard
I saw a post about thermostats and wondered. Is the 80 deg (176 deg F) thermostat standard? Pelican only sells the 80.
My Merc runs about 95 degrees. It climbs right up to that temp and then levels off and never has gone above it. I haven't had it in summer weather. Max ambient may have been in the 70-80 deg F range. Most other vehicles that I have have 195 deg F thermostats, about 90 deg C. It would seem logical, maybe wrong that the Merc uses a 90 or 95 deg C thermo. Sorry for using both temperature scales.
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85 Merc 300D - Unwinding 31 years of wear 86 VW TD Mahindra Diesel Iseki Diesel In 2007 I didn't own a diesel. 
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#2
11-20-2012, 12:48 AM
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The 80C is what is used in these engines. my 240 runs just about rock solid at 80C or 175F. I have the older gauge that readis in F. some times on a long grade it will climb up a bit then cool down once it flattens out.
The 85 300D use to run at 80C. then when I replaced it with the new engine, it ran quite a bit hotter. 95 or more. using an IFR Lazer unit, the temps around the engine wasn`t hot enough to worry about. Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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#3
11-20-2012, 10:48 AM
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Quote:
The other reason is the quirk of older MB gauges being live gauges - they actually move to changes unlike other cars whose gauges are buffered which means that they can be at 80 or even 100C with the gauge in the middle.
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2012 BMW X5 (Beef + Granite suspension model) 1995 E300D - The original humming machine (consumed by Flood 2017) 2000 E320 - The evolution (consumed by flood 2017)
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