Introduction and Engine Generations Overview

if you're familiar with any kind of racing engines at all you've probably heard of an sb2 especially if you're in a NASCAR you might be wondering obviously it's called stock car racing and the cars are not stuck the engines are just as not stock but at one time they were and you probably wondered how did it get from being a stock car stock type engine to these all-out clean sheet race engines we have today you're gonna get to see all the details up close with the real parts from a guy who has lived the entire era from the stock block stock head era all the way up until the modern ro7 it doesn't get you familiarize before we get into this generation one is the stock block Iron Head generation two we'll call that aluminum heads like the Pontiac casting that you've heard about maybe with that generation 2 will also include the 18 degree as cast heads since the Pontiac heads were basically turned into that and then we'll call Generation 3 the sb2 that's where the biggest difference comes and then you have the ro7 which is the evolution of the sb2 and that is the current engine it's also worth no noting that from this entire era all of the General Motors teams were using the corporate small block Chevy engine we're here with Keith dorton an Automotive Specialist Racing Engines I couldn't think of anybody more qualified to tell