Re: Early Heads on Late Engine
The gasket has allot to do with the water flow, In the case of the early heads on the late block, you have to plug two holes in the block as well as using the early head gasket. No head machine work is necessary unless you're using the 39-41 head. You can also use the early water pumps on the late block, but you need a set of Skips pumps or an aftermarket pump that had internal lubrication. With alittle thought here most parts are interchangeable.
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