Most often big blocks are known as having greater than 400 cubic inches with small blocks having less, but this isn’t always the case. Pair of Ford FE Big Block engines wikipedia public domain photo The displacement increase was accomplished by stroking the 332 to 3.50-inches. The 332 debuted along with the 352 cubic inch big block. The “FE” from Ford series big-block was introduced in 1958 as the 332 cubic inch V-8 with a 4.00-inch bore and a 3.30-inch stroke. The Chrysler B and RB engines are a series of big block V8 engines introduced in 1958. Other manufacturers quickly followed suit to keep up with the large engines that GM was producing. As American-built automobiles grew in size following World War II, the engines they used had to become larger and more powerful.īiggest Big Block! 1960s GMC V12 Engine There is a biggest big block of them all “Big Block” was first coined as a term for a series of large displacement V8 engines that were developed by GM in the 1950s, and have been produced in the United States until 2009. Big-block engines are physically larger than small-block engines but the real difference between the two is in the displacement (engine displacement is the measure of the cylinder volume swept by all of the pistons), size of bore, and stroke distance rather than just the size of the engine. What Makes an Engine a Big Block or a Small Blockīig block and small block describe two variations of V8 overhead valve engines. This post is all about what makes an engine regarded as a big block.
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