mine usually runs about 150-160 normally... I start to worry when it gets around the 200 mark... wow 220? that would mean almost a meltdown and melting the tabs off a good block...
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91 Chevy Suburban Tonawanda 454 R2500 - SOLD!!! 
04 Dodge Durango 5.7L Hemi 2WD, 24K miles (as of July 2011)
In the past 30 years about 90% of Fords are still on the road, the other 10% made it home.
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