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Old 11-11-2011, 10:21 AM   #6
JL8Jeff
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Join Date: Aug 2004
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I forget exactly which years, but I think the water temp gauge on some of the LS1 cars are just idiot lights and don't give the real temp. Your best bet is to get someone with a scanner or programmer and hook up to get the real reading from the computer. The water temp in my 2001 5.3 runs around 177 but I have a lower than stock t-stat in it.
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