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Old Apr 29, 2007 | 02:52 AM
  #1  
curby5's Avatar
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From: st. louis
smaller tires

I have and ls and i put 17 inch eagle alloys on it to help it out in the looks department. Because i used a low profile tire, the overall diameter got smaller by about an inch. They look great, but i have two questions. Can the speedometer be recalibrated? i wouldnt mind, but the odometer reading wont be realistic, and my mpg reading will be false as well.

The other question is, will the affect my milage? The engine will have to turn more rpms to go the same speed now, so does that equate to less mpg?
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Old Apr 29, 2007 | 03:06 AM
  #2  
Archie's Avatar
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Joined: 02-23-07
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From: Orange, CA
Originally Posted by curby5
I have and ls and i put 17 inch eagle alloys on it to help it out in the looks department. Because i used a low profile tire, the overall diameter got smaller by about an inch. They look great, but i have two questions.
WHY, OH WHY...?

Originally Posted by curby5
Can the speedometer be recalibrated? i wouldnt mind, but the odometer reading wont be realistic, and my mpg reading will be false as well.
The speedo can be recalibrated by any dealer. They just plug in what size the tire is and your speedo will be on the dot.

Originally Posted by curby5
The other question is, will the affect my milage? The engine will have to turn more rpms to go the same speed now, so does that equate to less mpg?
I think you answered your own question.
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