IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Is this normal? 40 PSI on my 19inch wheels + gain MPG

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Old 10-29-08, 10:48 PM
  #31  
tfz_hebe89
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Originally Posted by smokyis350
Is there anyway we can change this? Since my car is reading about 4-5 MPH above, that means when my car hits 100k, its actually maybe 90k.
o well..is this true? I'm also interested to know the truth..
Old 10-29-08, 11:10 PM
  #32  
iialcii
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Originally Posted by combfilter
100% correct.

Yes you can increase your mpg by inflating your tires higher. There is this club of cars (i forget their name) but they are all about seeing how how of mpg they can get doing various things. They have some of their cars hitting 70mpg. like they make sure to drive to where they come to the least amount of stops and crap like that. Over-inflating their tires is another trick they use.

I heard about that, i believe they have diesel cars, but they do crazy **** like 15'' wheels and **** anything to achieve optimum mpg. change drive gears etc
Old 10-30-08, 06:33 AM
  #33  
nabbun
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Originally Posted by EJC
THe car is not as mportant as what they do, some of it is dangerous.

Coasting
Drafting
Coasting into stop lights to avoid stopping
Turning off A/C, windows closed

get the idea?
i'm pretty sure the make and model does help a bit.

i don't think they'd be gettin 70 mpg+ if it were a Winnebago lol
Old 10-31-08, 09:56 AM
  #34  
ilocke
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Originally Posted by smokyis350
Why isn't this right? It's actually true. I remembered my mechanic told me this couple years ago. But I actually remembered. Just remember when you put on some 19's or 20's. It will be off by 2-5 MPH.
I'm just surprised that so many people have 19s and higher if it's really increasing the mileage on the odometer.
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