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Big Block Engine Lifter Valley

Epoxy work is also employed in the lifter valley, this time to curb the factory oil drainback system in favor of a more controlled approach. Inside, the intake ports have a deck of epoxy forming the intake port floor, matching the work done to the intake manifold.
The Big Wedge - Mopar Big-Block Engine

Epoxy work is also employed in the lifter valley, this time to curb the factory oil drainback system in favor of a more controlled approach. Inside, the intake ports have a deck of epoxy forming the intake port floor, matching the work done to the intake manifold.  View Related Article