> -----Original Message-----
> My 180 degree thermostat opens at 175 and my 185 on / 170 off fan
> thermostsat
> kick the Viper fan on at 177 degrees.<snip>
> I know there is an optimal operating temp. and if it doesn't reach it, it
> will stay in open/closed loop or something. Can someone explain
> that to me
> please?
> Thanks,
> James
If it stays cold too long and can't get to the right temp for closed loop it
will set a code. Experienced that when I tried a 160 thermostat. It ran
slower at the track when the engine temp was below 175. I think you're ok
on this. My scanner also reads a lower temp (similar to yours) than my
digital temp gauge but it runs fine and sets no codes.
RayB
http://www.dragtruk.com/ENTRIES/20KM1FD2KWBP.html
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