LS327 Engine Swap into a 1973 Chevy C10 - Heart Transplant: Part1 Photo Gallery
1.The 327 relies on the popular LS1 "cathedral port" aluminum cylinder head design to make power. Note the factory-installed steam lines that connect the four corners of the cooling system. These lines aid in preventing steam pockets from forming in the engine. Steam pockets are a no-no when you're trying to keep an engine cool.