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What is the normal running temperature for a 400 small block Chevy?
Updated: 9/11/2023
Wiki User
∙ 18y agoBest Answer
I believe 180 F for most of the older small block chevy. Make sure the head gasket has "steam holes" since only the 400 uses them. The steam holes are above and below adjacent cylinders. Dennis
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∙ 18y agoThis answer is:
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