The 8.1L Vortec V8 Was GM's Last-Ever Big Block Engine
https://www.drivingline.com/articles/the-81-liter-vortec-v8-was-gms-last-ever-big-block-engine/
WEBJun 29, 2021 · The 8.1-liter V8 was the very last big block to be produced by General Motors. Building on the same basic architecture as the 454 cubic inch motor it would eventually out-live, the Vortec 8.1 (also known as the 8100) represented the final link to Chevrolet's roaring '60s muscle car motors, and claimed the title of the largest …
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