[200q20v] RE: MPG - lost w/larger tires

[Edward J Kellock]

So that makes three factors that would negatively impact mileage,
especially as reported by the trip computer.  I'm feeling a little better
about the large difference now, even thought it is no longer mine.

On Tue, 22 May 2001 10:33:53 -0400 DAK <dak at rochester.rr.com> writes:
True, but if the tires are also larger diameter, the speedo will read low
and record less than actual mileage. (or at least less than before). 
That alone would give different MPG figures.

   David

Fundsalo Racing wrote:

May have been due to aerodynamics. The larger frontalarea of the
two-sizes larger tires can make a realdifference in MPG at
speed.-glenOOOO--- Edward J Kellock <ekellock at juno.com> wrote:
With my previous 200q20v Avant, I noticed asignificant drop in mileage
when I changed tires.  I went fromone size too small to one size too
large.  I thinkit wasdue to tire weight more than anything else.  I
wassurprisedby the amount of the change though. 
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