Quote:
Originally Posted by garyd1961
There is no water pump bypass on a vortec motor or motor with vortec heads or a lot of after market heads either. There is a place on the block for the bypass but it doesn't go any where , it dead ends.
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So if I understand this, the bypass hole exists in all blocks but only in pre-vortec heads. How about laying a pre-vortec gasket on a vortec head and drilling the missing hole?
Thinking about upgrading to vortecs in the future so this is good to know...