
01-07-2009, 10:39 PM
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Senior Club Cobra Member
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Join Date: Nov 2003
Location: Parker County,
Tx
Cobra Make, Engine: LoneStar LS427 , 427 Windsor
Posts: 381
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Not Ranked
What voltage are you showing at speed versus idle. Some gauges are highly voltage sensitive and the problem could be the regulator.
I would also verify the accuracy of the sender & gauge.
If that lower radiator hose has a rubber lining, make sure it doesn't have a "flap" obstructing the flow at higher speeds.
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Jim
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A Gnat! Quick, get a sledgehammer!
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