i installed rpm gauge

1991 FORD THUNDERBIRD
150,000 MILES
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MIRCALE
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I have a 91 thunderbird with a 3.8 i installed rpm gauge and would like to know where should needle be at when in park and warmed up. just woundering
Apr 5, 2012 at 12:23 PM
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WRENCHTECH
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  • 20,761 POSTS
  • ASE Certified Mechanic
That will vary with temperature and other conditions. It's controlled by the computer.
Apr 5, 2012 at 12:31 PM
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