# PCV history?

**URL:** <https://community.cartalk.com/t/pcv-history/187792>\
**Category:** General Discussion\
**Created:** [December 6, 2022, 11:28pm UTC](https://community.cartalk.com/t/pcv-history/187792 "2022-12-06T23:28:45Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![circuitsmith](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/circuitsmith/32/40376_2.png) [@circuitsmith](https://community.cartalk.com/u/circuitsmith)\
**Post date:** [December 7, 2022, 12:10am UTC](https://community.cartalk.com/t/pcv-history/187792/5 "2022-12-07T00:10:23Z")

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Deja vu

> [@Oil Catch Can Benefits Debated - Why?](https://community.cartalk.com/t/oil-catch-can-benefits-debated-why/160533/17):
>
> That was called a “road draft tube”. They would leave an oily stain down the middle of road lanes. [image]

> [@Driving without pcv valve](https://community.cartalk.com/t/driving-without-pcv-valve/182586):
>
> What would happen if you drove without a pcv valve? Short term and long term?

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