8th Generation Honda Civic Forum - View Single Post - Civic Si: Your Gas Mileage
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Old 06-28-2008, 10:17 PM   #765 (permalink)
murmur
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Join Date: Nov 2007
Location: St. Louis
Posts: 15
Dave
Quote:
Originally Posted by speeder View Post
Sounds like you got exactly the same gas mileage as Goo. He got 36 at 70 and 27 at 80. Therefore, if you took the middle of each you would have 31.5mpg at 75 mph. Prob doesn't work out exactly like that but it would stand to reason that you are right in line with him.

Remember, all the Scan Guagers say there's a sweet spot between 62-67mph. That speed with cruise control is how guys are pulling 40+
Hmmm, you're right! I'll slow down a little next time and see if that helps me out. I guess I was assuming the MPG curve was kind of *flat* around 70 mph, but if it maxes out in the mid 60's, then it makes sense that it would decrease a fair amount from 70 to 74...
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