Can someone help me understand an issue Im having with cylinder head options.
My boat is listed as having a 97 5.7LX which has vortec cylinder heads. Last year I bought this boat with a blown engine. Removed the cylinder heads and they looked clean and in good shape with casting numbers...
I am dealing with an interesting air in the cooling problem.
garden hose directly connected to water intake hose with a clear vinyl bubble and i can see no air bubbles are going into the engine. I have 2 pieces of clear tubing on the exhaust houses as well. At idle no air bubbles are present, at...
