However, I would like to conclude by briefly discussing the engine internals throughout the generations and variations. If you are planning to use a factory camshaft with a cathedral headed LS ...

Just in case you aren't up on current events in the LS community, there seems to be a divide wedged firmly between cathedral port and rectangular port enthusiasts. For those unfamiliar with the ...

While some Gen IV engines do use cathedral port cylinder heads, pretty much all are of the later, LS6 design. By 2009, cathedral port use was mostly restricted to just the 5.3L engines while all ...