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Thread: Early 327 engines in nascar

  1. 12-23-2025, 01:12 PM #1
    Danny
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    Early 327 engines in nascar

    Early 327 engines in nascar

    The early NASCAR 327 Chevy engine, famously optimized by Smokey Yunick, was a lightweight, high-revving small-block that punched above its weight against bigger engines by exploiting rule loopholes for a nimble, efficient competitor, leveraging its oversquare design (4.00" bore x 3.25" stroke) and high-RPM breathing for surprising performance, making it a legend in the muscle car and racing scene despite GM's initial focus on larger blocks.
    This video explains the design and performance of the 327 small-block engine:
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  2. 12-23-2025, 01:14 PM #2
    USA#1
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    I do not believe the 327 was ever a threat of any kind in the Cup series, are your sure you don't mean 427.
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  3. 12-23-2025, 01:15 PM #3
    USA#1
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    https://www.youtube.com/watch?v=7-CX9tXa154
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