Is Cooler Better
Is running the car a bit cooler than normal temp better or is it not good for it?
I am talking 80C is the norm and 65C to 75C is what it runs at. What are the pros. and cons? If any. Thanks |
Thats way too low. Are you sure your temperature gauge is right?Engine wear increases significantly at temperatures 75 C and lower. I would suggest that you change your thermostat.
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i would agree, it sounds like your stat my be stuck open....does it take a long time to reach full temp?
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I used 90 degree thermostat on my 400E this winter, my acutal coolant temperature was 100 degree, I then switched to OEM 80 degree thermostat since this February, my coolant temperature has been 90 degree since then.
Right after I switched thermostat, with 10 degree difference, I did notice slightly more power but my fuel economy got worse, from 14L/100km to 15L/100km, that was with winter gas though, in summer time I get much better than that. |
My view on this (and its only mine!) us that the engines were made to run with a 100 degrees stat in them, any variance from that causes problems.
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I am pretty sure it sounds like your thermostat has failed... constantly running the coolant through the radiator.
The coolant temp setting for open/close (usually 87 d) is the "optimal" temperature for the engine. Running it at a much lower temperature can lead to ineffeciency and premature wear. The part is 10 bucks... cheap fix! |
Thanks to all who replied
I just want to thank all of you who replied.
I know that my stat is bad. And I have purchased a new one to put R&R already, I was merely curious. The stat was a cheep fix but not 10, my stat is $47 |
$47 ????
I got my OEM thermostat from Partshop here for only $21, I think my 400E uses the same thermostat as your W140's.
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Re: Thanks to all who replied
Quote:
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Definitely no two ways about it Sir.
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