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Discussion in 'Trucks and Trailers' started by cutnitclose, Apr 18, 2004.
What are the symptoms if a set of heads don't match on a 400 small block?
can we have a lil background on this one?
You could find yourself with the same symtoms of bad head gaskets. You may find coolant in the oil as well as smoking from the exhaust.
I found out they have matching casting numbers after all... I have a 400 small block tat is acting crazy in my work truck....
400's have a nasty habit of cracking between the intake and exhaust valves on the middle 2 cylinders on the left head
That would be #3 and #5 cylinders. What is yours doing that is "crazy"?