That reciprocatory feature leads to the lack of smoothness in power delivery and large amounts of vibration that three-cylinder engines are notorious for. The rough-running engine behaviour will be emphasised at lower engine speeds especially, due to the lack of power strokes occurring.
A V5 engine is a five-cylinder piston engine where the cylinders share a common crankshaft and are arranged in a V configuration. V5 engine designs are very uncommon, with the only production version of one being the 1997-2006 Volkswagen Group VR5 engine.
The 5.0L 305 V8 is an engine type manufactured by General Motors in the 1970s. This engine was introduced to the Chevrolet as a small variant block in 1975. This is not a readily available engine type. This engine has an advantage of being compatible with the 350 when it comes to the issue of interchangeable parts.