# WTB b20 head

**URL:** <https://forums.speedlife.net/t/wtb-b20-head/251399>\
**Category:** Classifieds\
**Created:** [April 11, 2010, 12:58am UTC](https://forums.speedlife.net/t/wtb-b20-head/251399 "2010-04-11T00:58:54Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![6SPD\_S4](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/6spd_s4/32/6326_2.png) [@6SPD\_S4](https://forums.speedlife.net/u/6SPD_S4)\
**Post date:** [April 12, 2010, 6:27am UTC](https://forums.speedlife.net/t/wtb-b20-head/251399/9 "2010-04-12T06:27:03Z")

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> [@\*\*\*\*Official: Southgate Meet Thread\*\*\*\*](https://forums.speedlife.net/t/official-southgate-meet-thread/29171/853):
>
> Sometimes the P75 B20 and integra B18b cyl heads have a problem with the valve seats sinking into the head. This eventually tightens up the valve lash to the point where the engine will not idle.

Good info Paul. I seen one at work the other day that ws running like shit. This was prolly the problem.

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