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Old 08-10-2009, 07:11 PM   #7 (permalink)
Eddles
EcoModding Apprentice
 
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Join Date: Apr 2009
Location: Sheffield, England
Posts: 142

Eddles's Astra - '01 Vauxhall Astra ECO4
90 day: 61.03 mpg (US)
Thanks: 41
Thanked 3 Times in 2 Posts
Quote:
Originally Posted by SVOboy View Post
New tires also have higher rolling resistance than worn in tires. Give them some time to break in and your MPG should go back up.
I guess so. How long is a break-in period, normally?

Quote:
Also, cruise control, in my experience, isn't as good for fuel economy as driving with load and paying careful attention, so that might have some bearing on the situation.
The motorways between the city where I live and where I work are completely flat - and I mean flat. The cruise control holds the speed much better than I do - it rarely devitate from the set speed more than 0.5mph, where I deviate from the set speed a lot more so I spend my time accelerating/deaccelerating to keep to the set speed. I guess I could do a tank without CC to see if there's any difference, however holding the accelerator pedal in the same place for 800 miles a week isn't forgiving to my ankle!

Quote:
Originally Posted by Matt Herring
Check this thread out about weight reduction in the car...read down through the posts to see what others have seen in FE in regards to weight...
Thanks for link, much appreciated!
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My aim: to achieve 3L/100km.
Best tank @ 65mph: 864.2 miles 69.36MPGus 3.4l/100km
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