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Old 03-30-2004, 03:51 AM
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If the fan temp switch is mounted in the side of the head, that area will be hotter than if it had been mounted in the intake.

Example Only: Coolant Temp in cylinder head is 210.
Coolant Temp in intake is 180.

The temp difference you are seeing seems to be on the extreme side; but if the two senders are not mounted in a similar location you will see a difference in the readings.
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