Mechanics

I HAVE A 91 WITH A 3.8 I INSTALLED RPM GAUGE AND WOULD LIKE TO KNOW WHERE SHOULD NEEDLE BE AT WHEN IN PARK AND WARMED UP

1991 Ford Thunderbird • 150,000 miles

Just woundering
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Mircale
April 5, 2012.



That will vary with temperature and other conditions. It's controlled by the computer.

Wrenchtech
Apr 5, 2012.