1991 Ford Thunderbird Ask This Different Way 91thunderbird 3 8 Turbo Put Tach

1991 FORD THUNDERBIRD
200,000 MILES
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i have to ask this in a different way 91thunderbird 3.8 no turbo i put a tach in it to know how high my engine is running when engine is at normal temp and in park what should rpm on tach be reading
Jan 11, 2013 at 9:06 PM
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JACOBANDNICKOLAS
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At an idle, it should be around 900 RPM's
Jan 11, 2013 at 9:53 PM
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