# 4G63t Compression Numbers

**URL:** <https://forums.speedlife.net/t/4g63t-compression-numbers/199881>\
**Category:** PittSpeed Automotive\
**Created:** [September 29, 2008, 11:56pm UTC](https://forums.speedlife.net/t/4g63t-compression-numbers/199881 "2008-09-29T23:56:26Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![brokeasskorean](https://avatars.discourse-cdn.com/v4/letter/b/e19b73/32.png) [@brokeasskorean](https://forums.speedlife.net/u/brokeasskorean)\
**Post date:** [October 3, 2008, 3:47am UTC](https://forums.speedlife.net/t/4g63t-compression-numbers/199881/16 "2008-10-03T03:47:47Z")

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> [@WTB:Truck for $2000](https://forums.speedlife.net/t/wtb-truck-for-2000/37672/4):
>
> Hahaha, I know it’s true, but I’ve always wanted one, and I don’t know, I’m dumb.
> 
> So it runs much better now (obviously) but still a bit rough at ~750rpm, and is super duper rich. Thoughts?
> 
> Haha.
> 
> -TJ

has the MAS ever been messed with? could be causing your richness at idle

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