# \#qvale

**URL:** https://community.cartalk.com/tag/qvale/10091.md

[Latest](https://community.cartalk.com/latest.md) · [Categories](https://community.cartalk.com/categories.md) · [Tags](https://community.cartalk.com/tags.md)

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## [Click and Clack's Latest Column](https://community.cartalk.com/t/click-and-clacks-latest-column/63249)

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**Author:** [@Whitey](https://community.cartalk.com/u/Whitey)\
**Replies:** 4\
**Last updated:** [April 2, 2011, 5:12am UTC](https://community.cartalk.com/t/click-and-clacks-latest-column/63249 "2011-04-02T05:12:02Z")

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I was just reading Tom and Ray's latest column at http://www...atest.html The answer kind of shocked me. Couldn't there be another answer? The first thing I thought was, "They must drive this Explorer only on …

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## [Tech question: why do intake valves need cams?](https://community.cartalk.com/t/tech-question-why-do-intake-valves-need-cams/57196)

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**Author:** [@meanjoe75fan](https://community.cartalk.com/u/meanjoe75fan)\
**Replies:** 17\
**Last updated:** [November 6, 2010, 10:02am UTC](https://community.cartalk.com/t/tech-question-why-do-intake-valves-need-cams/57196 "2010-11-06T10:02:59Z")

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I was just sitting here with too much time on my hands, and I thought: why do intake valves need to be cammed: couldn't a check valve work just as well? I mean, in the 4-cycle scheme, one only wants flow in the "int…