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Old 06-03-2013, 08:23 PM   #6 (permalink)
knochenhauer
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Join Date: Aug 2012
Location: Grand Haven, MI
Posts: 13

Focus - '05 Ford Focus ZX3
90 day: 37 mpg (US)

The Ranger - '99 Ford F250 Superduty
90 day: 20.08 mpg (US)

The Prune - '09 Toyota Yaris
90 day: 43.89 mpg (US)
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Quote:
Originally Posted by Diesel_Dave View Post
Yes, you always want your thermostat to control your final operating temp. If your temps rise beyond the full open temp of the thermostat, then you've blocked the grill too much--a scary situation, because there's no longer any closed-loop control of coolant temp.
At what temperature does a typical thermostat open fully?
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