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Old 06-09-2017, 09:11 AM   #6
engineer_gregh
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Join Date: Feb 2012
Location: Smyrna TN
Posts: 1,153
Re: What's Normal Temp for '70 C10 396?

I don't trust the stock temperature gauges. I have a built 402 and had the same issues you are seeing. First thing I would suggest is to add an aftermarket under dash gauge to get a more accurate reading. If in fact you're running hot you might want to play with your timing to see if it will help. Big blocks do run hotter, but I am uncomfortable with any reading above 200 degrees. I'm running dual 1600 cfm fans but with the stock 4 row radiator.
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Greg Smyrna TN
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