Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Engine runs hot at highway speed.
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Old 08-28-2009, 12:17 PM
FmrStrtracer FmrStrtracer is offline
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Have you checked your spark plugs to see if the carb is jetted correctly for you application?
Lean mixture(or incorrect timng) under heavy load will create more heat.

One thing you dont mention is whether the radiator is sized correctly for this motor. Is this in an original BB car, or is it a swap and youre still using the SB radiator, this could cause the running hot too.
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