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10% Improvement In Fuel Economy

Written by Racingferret/Astra Owners Network   
Tuesday, 15 July 2008 00:00
I have a tuning box on a 1.7CDTI 100bhp. I have had it a few months now.   I could get a maximum of 48mpg without the box driving steady like me granny on a sunday. Fitted the box (running at position 1) and first tank gave 53mpg. Tho' I still drive like me granny on a sunday
Here's me last few fill ups :-

Miles - litres
315 - 26.9
370 - 33.4
289 - 25.2
432 - 36.8

I said I would post sum stuff up for Andy as to how much it had improved,

Just did a quick calculation on your numbers and you are getting the following mpg on each fill up:

53.23 50.36 52.14 53.37

So it would seem you are consistently able to get that 53 mpg figure so 10% increase... not bad

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