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Old 12-27-2017, 12:36 PM   #12 (permalink)
hayden55
Master EcoModder
 
Join Date: Dec 2010
Location: USA
Posts: 1,171

Sport Utility Prius - '10 Toyota Prius II
90 day: 52.98 mpg (US)

300k Sequoia 4WD - '01 Toyota Sequoia Limited 4wd
90 day: 20.19 mpg (US)
Thanks: 352
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Definitely do a full grill block. You'll be impressed/unimpressed at how much these cars don't heat up. I had a beater I bought and I idled so little at stop signs and coasted to lights so much I didn't realize until a year later when I bought my scan gauge that my radiator fans were never turning on. Even through the Summer in 90F weather!!!
And the grill blocks help against the two main things:
1. Winter air is more dense and harder to cut through therefore improving mpg more when you do the block.
2. The blocks should help to keep the engine warmer better. Especially if you have a problem getting enough heat built up for eff. and using the heater.
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