RE: Re: What is the best Thermostat temp?

["Lewis, Gary M" <Gary.Lewis@West.Boeing.com>]

Brett said;

> Milage also suffers with a lower thermostat, correct all?
> 
> 
> 
My concern.  We put in a lower thermostat and switch in the 88.  The car
gets 27mpg on the highway, 15mpg around town (driving nice).  My 86 never
got below 20 mpg in town, no matter how I drove it.  But it never got better
than 24 on the highway.  I was wonderig if this is related to thermal
efficiency, i.e motor  operating temp, or something else.  Looking at the
data as I write this says something else.  Any opinions?
TIA,

Gary Lewis 
88 5kcstq 1.8 bar 108km Pearl w/Fuchs
86 5Kcst 5sp 1.4 Bar 202km Sapphire
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