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How NASCAR engines make big power under tight rules

NASCAR Cup engines live in a strange space: they are tightly regulated, largely hand built, and expected to survive hours at full throttle while still making headline power. The rulebook caps ...
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The 1969 Ford Boss 429 Mustang was built for NASCAR but changed street performance

The 1969 Ford Boss 429 Mustang emerged as a response to the evolving landscape of NASCAR, driven by new homologation rules ...