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Discussion Starter · #1 ·
Hi guys, my first post here! thanks for having me!

Mine is a 2006 LBZ (Chevy) app. 200K miles.

I just flushed my radiator and replaced the two thermostats. My temperature stays steady at about 200 deg.
my fuel economy has gone down a little. the 200 seems too high to me - prior to this installation it was running 185.

Any thoughts? is this a normal operating temperature or could my gauge be off?
thanks,
DM
 

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ECT gauge reads higher than actual.
 
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