# Why Most American Automakers Stopped Building Big Block Engines

> Back in the 1960s and early 1970s, muscle cars with big block engines were the undisputed kings of all American roads, with Detroit at the heart of it all.

- **Source:** [SlashGear](https://www.slashgear.com/1907761/big-block-engines-discontinued-reason/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6873000aff623f4fd4d64fdc)
- **Published:** 2025-07-13
- **Category:** Cars
- **Tags:** #ford #american #block #engines #automakers #building #stopped #alive
- **Canonical:** http://localhost:4321/a/6873000aff623f4fd4d64fdc

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_GearOpen's distilled summary. The full original article is published at SlashGear (source link above); GearOpen does not republish the source's full text._