Why does my Cummins have weaker head gasket?
Why does my Cummins have weaker head gasket? by Flopster843. 21 Mar 2016. The 6.7L Cummins is known to have a weaker head gasket than previous 5.9L engines. This is primarily due to the engine having a larger piston bore with the same crank spacing, resulting in less gasket material between the cylinders and water jackets. Where is the head gasket on a V-type engine? There are 6 references cited in this article, which can be found at the bottom of the page. The head gasket is found between the engine block and the cylinder head or heads in a...