# SR swap breaks up on tip in, sometimes WOT...

**URL:** <https://forums.speedlife.net/t/sr-swap-breaks-up-on-tip-in-sometimes-wot/107112>\
**Category:** SON240sx Automotive\
**Created:** [June 25, 2007, 2:02pm UTC](https://forums.speedlife.net/t/sr-swap-breaks-up-on-tip-in-sometimes-wot/107112 "2007-06-25T14:02:53Z")\
**Posts on this page:** 1\
**Showing post:** 19

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [September 11, 2007, 10:36am UTC](https://forums.speedlife.net/t/sr-swap-breaks-up-on-tip-in-sometimes-wot/107112/19 "2007-09-11T10:36:04Z")

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> [@WTB P72](https://forums.speedlife.net/t/wtb-p72/13952/18):
>
> have you tried coil packs yet?
> 
> sounds like ignition to me
> 
> also walbro pump is key

i realize that a walbro is required for higher boost, but i put a pressure gauge on the line and it holds a steady pressure.

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