Classic Ford Engines 312 Y Block Engine

Here's a closer look at the 312 Y-block engine. It's the only Ford V-8 where the intake ports are laid on their side and stacked one on top of the other. The intake manifold requires both bolts and cast washers for retention. Unlike other Ford V-8 engines, because the intake manifold has open runners, the engine requires a separate steel lifter-valley cover. View Related Article