The 1968-1981 Buick 350 engine with a displacement of 349.3 cubic inches is another nearly square engine with a bore of 3.80 inches and a stroke of 3.85.
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Škoda used square engines in some of their rear-engine models between 1964–1990, with a bore and stroke of 68mm and 72mm.
stroke | Butterfly stroke | Two-stroke engine | Stroke | golden ratio | Golden ratio | aspect ratio | The Stroke | Stroke 9 | Heart and Stroke Foundation of Canada | butterfly stroke | stroke (rowing) | stroke (CJK character) | Signal-to-noise ratio | Sharpe ratio | Receivables turnover ratio | Ratio Institute | ratio | MRC (Maximum Ratio Combining) | Monetae cudendae ratio | Maximal-ratio combining | Loan-to-value ratio | H with stroke | human sex ratio | Gear ratio | Fineness ratio | D with stroke | Digit ratio | Common-mode rejection ratio | Canadian Stroke Network |
BRM had experimented with a four-valve-per-cylinder version of the engine, but this was abandoned in favour of the tried and trusted, oversquare (68.5 x 50.8 mm), fuel-injected, two-valve, quad-cam configuration.