More than 20 years after the first Gen III LS1 V8 rolled off the assembly line for the 1997 Corvette, it seems there are LS cylinder heads everywhere, and even more stories that have tested and ...

There are plenty of instances where perfectly good—and often rare—cast iron cylinder head and engine block castings are scrapped due to the presence of a hairline crack in an external surface. Often ...

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One of the big three, cylinder heads are a critical ingredient in any performance build. Working with the cam profile and intake manifold, the cylinder heads help determine not only the peak power ...

Having tested endless aftermarket and ported stock LS cylinder heads for HOT ROD, it seemed odd that the stock stuff was never included. A test of the popular factory cylinder heads has been a long ...