Spotting the Visual Difference Between 350 and 305
If you're staring at an old Small Block Chevy sitting on a crusty engine stand, figuring out the visual difference between 350 and 305 blocks can feel like a frustrating game of "Spot the Difference." At a glance, they look exactly the same. They share the same external dimensions, the same bolt patterns for the water pump, the same motor mount locations, and the same valve covers. It's a common headache for guys scouring junkyards or buying "mystery motors" off Marketplace. ...