![]() ![]() Today, these engine-breathing regulators are usually referred to as “Fuelie” heads, because they were released on Corvettes with Rochester’s fuel injection.ġ0207643: 1994 through 1996 LT 350ci V-8. The cylinder heads on top of that engine were the now-famous double-hump heads. In 1962, the 327ci engine in the Corvette was the first small block to offer a 4-inch bore. Then, in 1997, the third-generation small block was released. The first generation that started it all in 1955, remained in effect until 1992, when the second generation (LT1) was released. The second-generation engine featured aluminum heads, reverse-flow cooling (the heads received coolant first, in lieu of the block), and electronic controls. Throughout the small block’s timeline, there were three generations of the legendary mill, and the general architecture carried through to the third generation (LS), which was introduced in 1997. ![]() However, the flathead V-8 was a definite reason Chevrolet had to step-up its game. This was in the mid-’50s, and before that, Chevrolet relied on inline six-cylinder engines to power its passenger vehicles. When GM first introduced its small-block engine to the world, it was specifically designed to give Chevrolet an edge over Ford’s flathead V-8.
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