The battle of V8 engines - cross-plane vs flat-plane; which one’s got the edge? V8 engines come in two popular varieties, cross-plane and flat-plane. The difference comes down to the crankshaft; in a ...

Flatplane vs Crossplane V8 engines. Foreign vs. domestic. What is a flatplane crankshaft? What is a crossplane crankshaft? These engines get their names from the design of the crankshaft, and have key ...