Forced Induction Custom FI Setup Questions

leak or lag

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Old Jul 27, 2007 | 03:30 PM
  #1  
BoosteD_90_DX's Avatar
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Default leak or lag

well as randysohc has posted on here about the turbo setup on the dpfi i am the one with that setup and i have everything on to make boost but i only get maybe 3psi i can hear the turbo spool really quick and there is no way it can leak from the turbo to the tb b/c im running for now with no bov and no ic ill have pics soon but i wanted to see if anyone had some suggestions! oh yea this is a hmt setup in the making!!!FTW
Old Jul 27, 2007 | 03:38 PM
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Default Re: leak or lag

We need to know more details about your setup and lots of pictures because most of the nogs here are illiterate.
Old Jul 27, 2007 | 03:39 PM
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Default Re: leak or lag

maybe your wastegate is set @ 3 psi
Old Jul 27, 2007 | 03:40 PM
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Default Re: leak or lag

^^^^^
that could be. specs and a couple pics would be good
Old Jul 27, 2007 | 03:47 PM
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Default Re: leak or lag

well im still tryin to get the pics up im not really good with computers but my turbo is an ihi rhb5 and the internal wastegate is factory set at 7 psi i have done a remote mount the turbo is behind the passenger side headlight everything is working properly just low to no boost i wii lhave pics soon though!thanks
Old Jul 27, 2007 | 03:58 PM
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Default Re: leak or lag

do you have any exhaust leaks before the turbo. that will cause spool problems
Old Jul 27, 2007 | 04:07 PM
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Default Re: leak or lag

no i have no exaust leaks at all i did in the downpipe but i welded it up the turbo spools and it sounds like it cant spool no more but im only getting 3psi at the im!
Old Jul 27, 2007 | 04:18 PM
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Default Re: leak or lag

Does it have a recirculating BOV on the compressor housing?
Old Jul 27, 2007 | 04:32 PM
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Default Re: leak or lag

no there is no recirculating bov i just took my charge pipe off and when you rev the car you feel air out of the pipe but keep it at a steady rev and the air tops when you rev higher you feel air again?
Old Jul 27, 2007 | 09:06 PM
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Default Re: leak or lag

did you have to clock the turbo any? that might change the length in the wastegate arm thingy. i say throw a manual boost controller on, crank up the boost. if the boost goes up then back down then you got a leak!!! i got a leak too mine goes up to 10lbs then down to 7lbs.



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