Quote:
Originally Posted by Floordford
Funny thing is though that my 2000 Mustang GT with performance bolt ons is getting 25mpg and her stock Cobalt is getting 23mpg. She says I can mod her car to get better mileage "just don't make it look stupid".
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Wouser, and I am averaging 45mpg with my 010 base cobalt and I don't think I am even doing very well.
Is she driving pure stop and go every block? What distances does she drive?
Anyway Even my father when driving in town in the middle of winter (around zeroish) gets about 28mpg in the cobalt base. Not sure how you get lower in a Cobalt base as he is by no means an ECO driver. Must be idling a lot and sitting at a lot of stop lights.
To improve My first thoughts are that, maybe she needs to consider an alternate route (less stops), learning EOC at stoplights, learn to start watching her throttle and fe once up to speed and learning to keep her top speed lower.
Just to start anyway.
Also What oil are you using? When the local Lube place changed my oil last winter they put in normal 10w30 non-synthetic despite my providing 5-30 synthetic. My mileage dropped at least 6mpg after that and bounced right back when I put in the proper oil a bit early (I couldn't top 50mpg after that oil change which really burned me up). Needless to say even when my ass freezes to the pavement I am going to try to make sure I always change the oil myself. This car must be like the old geo and the old Kias in that it looses massive FE if the oil isn't light enough.
Good Luck
Ryan