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Old 09-17-2012, 12:26 PM   #6 (permalink)
LeanBurn
Got MPG?
 
Join Date: Sep 2010
Location: Southern Alberta, Canada
Posts: 330

The Car - '09 Toyota Corolla CE Enhanced
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How permanent is your block?

The great thing about having the scanguage is that now you can accurately modify your grill block according to your tastes. I would entirely remove it for a baseline reading, then add until the fan starts coming on a little more than normal, then stop. You can tell when the fan comes on by the temperature readings for the most part as well. IMO no amount of grill block is worth endangering the proper operation of the engine and if the fan ends up running more than normal is that extra electrical power cutting into potential savings?
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2013 Honda Civic Si - 2.4L
OEM front to back belly pan from the factory.
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