Gas Mileage??? - Cadillac V-Series - CTS-V, STS-V and XLR-V
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post #1 of 2 (permalink) Old 05-18-2007, 05:24 PM Thread Starter
 
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Gas Mileage???

After getting new Shoes for the caddy in a +2 inch diameter my gas mileage has suffered. I know you all are saying ( Well what did you think it would get bettter? )

No, I did not, but I also did not expect to be paying almost $60.00 to fill the thing up either. I have noticed that turning the stability setting off makes it 10x worse. I averaged 14 mpg my last tank, that it with a heavy foot though. Before my new shoes it was around 20 mpg.

Just a little FYI for those out there in the market for bigger shoes.
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post #2 of 2 (permalink) Old 05-24-2007, 02:26 PM
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Quote:
Originally Posted by Chris614 View Post
After getting new Shoes for the caddy in a +2 inch diameter my gas mileage has suffered. I know you all are saying ( Well what did you think it would get bettter? )

No, I did not, but I also did not expect to be paying almost $60.00 to fill the thing up either. I have noticed that turning the stability setting off makes it 10x worse. I averaged 14 mpg my last tank, that it with a heavy foot though. Before my new shoes it was around 20 mpg.

Just a little FYI for those out there in the market for bigger shoes.
Is this a calculated difference or did you change the calibration of the computer to correct for the larger wheel? I would expect your computer (speedometer, odometer, etc) to be incorrect after this change.




2005 CTS-V - repurchased by GM as a lemon
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1999 Corvette Fixed Roof Coupe
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Install a wide band oxygen sensor in place of a stock sensor:
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