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Discussion Starter · #1 · (Edited)
???Small Block Chevy Question???

Excellent article in the June 05 "Motor Trend" re Chevy Small Block. One question. What is the definition of a "small-block"? A '65 'Vette could be equipped with a "big-block"; 396CID/427 hp; the new LS7 will be termed a small block @ 427.6 CID/500 hp??? Wouldn't the larger displacement infer a "big-block" designation?

Is it the fact that the original (1955) length of crank was shortened to 21.75" or that the short stroke (2.93") allowed a short engine deck height?

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