Quote:
Originally Posted by greg64
About the water passage in the rear of the manifold, that is the miracle of manufacturing of the SBC. The two heads are identical and interchangeable, to make manufacturing faster and cheaper. But the side effect of this (there are many) is that there are two useless water ports at the back of the engine that the intake manifold needs to block.
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Thanks bud, I did not know that, I learned something new today.