The collection of manifolds could have been even larger ... A big thank you to Fel-Pro for all the intake gaskets we blew through in this test and to Permatex for the big tubes of The Right ...

That's a primary problem area. The gaskets can also leak at the top of the valve cover causing oil to puddle at the edge of the intake manifold. Identifying the source of the leak in this area ...

In diesel performance, achieving optimal airflow is the cornerstone to unlocking your engine’s full potential. For owners of the 6.7L Cummins, upgrading the intake system is a popular and effective ...

"The basic design of the intake manifold has remained relatively unchanged ... Another noteworthy item, be sure to use the C&L supplied throttle body gasket. The factory intake has an O-ring ...