# Variable Compression Ratio (VCR) Engines

**URL:** https://forums.speedlife.net/t/variable-compression-ratio-vcr-engines/41705
**Category:** NYSpeed Automotive
**Created:** [January 12, 2008, 8:22am UTC](https://forums.speedlife.net/t/variable-compression-ratio-vcr-engines/41705 "2008-01-12T08:22:28Z")
**Posts on this page:** 1
**Showing post:** 15

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### Author: ![Harvey](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvey/32/5069_2.png) [@Harvey](https://forums.speedlife.net/u/Harvey)
#### Post date: [January 14, 2008, 1:22pm UTC](https://forums.speedlife.net/t/variable-compression-ratio-vcr-engines/41705/15 "2008-01-14T13:22:16Z")

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I think this is at least as significant as variable valve timing.

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