Rectangle vs. Cathedral Ports for LS Power!!
We're talking an OEM used parts comparo, abundantly plentiful in the junkyards and classifieds. This debate has raged in the LS community for years, and we're here to show you the difference in power potential between a dime-a-dozen cathedral port and the "racier" rectangular ports found on the LS3. The rectangles have bigger intake ports and flow numbers, bigger valves, and bigger chambers, but what does it all add up to? Come find out on this episode of Engine Masters, presented by AMSOIL.*
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