# s13 Blacktop swap running rich no boost

**URL:** <https://forums.speedlife.net/t/s13-blacktop-swap-running-rich-no-boost/268520>\
**Category:** SON240sx Automotive\
**Created:** [March 8, 2014, 2:49pm UTC](https://forums.speedlife.net/t/s13-blacktop-swap-running-rich-no-boost/268520 "2014-03-08T14:49:58Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![S13Matt](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/s13matt/32/6257_2.png) [@S13Matt](https://forums.speedlife.net/u/S13Matt)\
**Post date:** [March 8, 2014, 2:49pm UTC](https://forums.speedlife.net/t/s13-blacktop-swap-running-rich-no-boost/268520/1 "2014-03-08T14:49:58Z")

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Just swapped my s13 with a blacktop, car runs but very rough and rich, doesnt rev over 3000,initially would idle at 4500,no idles at 1100, MAF is hooked up,Doesnt hit boost at all, have no idea what it could be,you’re input would be appreciated! Thanks, trying to post video

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Heres the video of it running

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**Author:** ![Londonmax](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/londonmax/32/5914_2.png) [@Londonmax](https://forums.speedlife.net/u/Londonmax)\
**Post date:** [March 9, 2014, 11:57am UTC](https://forums.speedlife.net/t/s13-blacktop-swap-running-rich-no-boost/268520/2 "2014-03-09T11:57:52Z")

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bad maf

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**Author:** ![S13GG](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/s13gg/32/5506_2.png) [@S13GG](https://forums.speedlife.net/u/S13GG)\
**Post date:** [March 9, 2014, 8:10pm UTC](https://forums.speedlife.net/t/s13-blacktop-swap-running-rich-no-boost/268520/3 "2014-03-09T20:10:44Z")

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huge exhuast leak? have you got a muffler on that?

did you replace the turbo gasket? or check it for condition or tightness?

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**Author:** ![S13Matt](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/s13matt/32/6257_2.png) [@S13Matt](https://forums.speedlife.net/u/S13Matt)\
**Post date:** [March 9, 2014, 9:07pm UTC](https://forums.speedlife.net/t/s13-blacktop-swap-running-rich-no-boost/268520/4 "2014-03-09T21:07:55Z")

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its open downpipe right now no exhasust hooked up, eveyrthing with turbo is fine,just figure out its running on limp mode,gotta see if its the maf wiring