How much HP can a 427 small block engine make & did Chevy ever make one?

Anything over 400 cubic inches is usually considered a big block. However, there are some manufacturers who produce 427-cubic ...
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Shelby’s one-off 427 Cobra prototype reveals how close the big-block idea came to dying

Shelby built only one 427 Cobra prototype. Its lift-off body reveals why the big-block experiment never got a sequel.
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571-HP Summit Racing 427ci Small-Block Chevy Built With Off-the-Shelf Parts and Runs on Pump Gas

Part 3: It took a few tweaks and old-school tricks to get max power from our small-block Chevy that we built at TPS Motorsports. First Look: Summit SPC Engine Block Part 1: Summit Racing 427 ...
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What's The Difference Between Ford's 427, 428, And 429 Engines?

Ford's big block engines are among the best-known and most respected V8s in American history. From the pure-blooded racing heritage of the 427 and its derivatives to the massive torque-happy 429 in ...
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These Are Some Of The Biggest Small-Block Engines Ever Built

In automotive nomenclature, small-block V8 engines are typically physically smaller than their big-block counterparts, hence the nickname. With some exceptions, the piston bores, stroke, cylinder head ...