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Old 07-23-2017, 09:14 AM   #1
Neutral Zone
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Join Date: Mar 2016
Location: Georgetown,Texas
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How hot is too hot

I'm running a Mark IV 454, other than that I don't know anything about it. In Texas the outside ambient temperature is running in the high 90's to low 100's. At operating temp my Autometer Sport Comp gauge is reading 200 to 220 sitting in traffic.

Just wondering what some of the engine guys thoughts were on that operating temp.
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Dwain Jones
Georgetown, Texas
1971 C/10 Cheyenne 454
2016 Z51 3LT Stingray
2017 Audi A7
2008 Saab 9.3 Aero
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Old 07-23-2017, 09:53 AM   #2
randy500
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Re: How hot is too hot

220 is fine as long as it doesn't get any hotter and your system is sealed with a coolant recovery tank.
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