Is it normal for a 440 6 barrel 70 cuda engine to get really hot after a 15 mile drive?

1 Answer

Answer :

You might wish to have the cooling system and radiator flushed, but how hot is awful hot. Sometimes running a bit lean can make an engine run hot. Also, if the radiator is not the correct one for the engine, you might consider getting one with additional cores. Have you rebuilt the carburetors if they were immersed? The center carburetor is the one you will want to really check out most carefully. If memory serves, the other two open when you let the ponies run. Have you removed the heads? If the engine was immersed, the oil galleries may be compromised with oil/water foam after running some. This would be a good opportunity for a valve job and new lifters which may also have been damaged if water got into them. My experience is pretty much all GM and it was an old 409, but I figure the basics are about the same.

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