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JustenGT4
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Location:
Canberra
Registered:
June 2003
Re: external wastegate with two vacuum line connections? Mon, 20 June 2005 03:47 Go to previous messageGo to previous message
The top port sits on the vac side of the diaphram ie you need vac for it to open. It is there purely for cruise situations to open the wastegate and allow the exhaust gases a freer path out...ie don't have to go thru the exhaust wheel.

Good for emissions and maybe fuel economy. I have never actually seen anyone bother to hook this port up...certainly not in a performance application.

Remember, externals gates feature on a lot of factory turbo cars and trucks so the aftermarket has just copied their design. Not all aftermarket external gates run the dual port simply for the reason that 99% of users don't or won't use it.
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SubjectPosterDate
Read Message   external wastegate with two vacuum line connections? cri_agSun, 19 June 2005 11:19
Read Message   Re: external wastegate with two vacuum line connections? Cool1Sun, 19 June 2005 11:21
Read Message   Re: external wastegate with two vacuum line connections? cri_agSun, 19 June 2005 11:34
Read Message   Re: external wastegate with two vacuum line connections? Cool1Sun, 19 June 2005 11:41
Read Message   Re: external wastegate with two vacuum line connections? cri_agSun, 19 June 2005 11:55
Read Message   Re: external wastegate with two vacuum line connections? Cool1Sun, 19 June 2005 12:02
Read Message   Re: external wastegate with two vacuum line connections? Cool1Sun, 19 June 2005 12:05
Read Message   Re: external wastegate with two vacuum line connections? TE72_TurboSun, 19 June 2005 12:08
Read Message   Re: external wastegate with two vacuum line connections? Cool1Sun, 19 June 2005 12:20
Read Message   Re: external wastegate with two vacuum line connections? cri_agSun, 19 June 2005 12:15
Read Message   Re: external wastegate with two vacuum line connections? cri_agSun, 19 June 2005 12:26
Read Message   Re: external wastegate with two vacuum line connections? Chris DaveyMon, 20 June 2005 02:32
Read Message   Re: external wastegate with two vacuum line connections?  JustenGT4Mon, 20 June 2005 03:47
Read Message   Re: external wastegate with two vacuum line connections? TE72_TurboMon, 20 June 2005 05:59
Read Message   Re: external wastegate with two vacuum line connections? JoshstixMon, 20 June 2005 06:05
Read Message   Re: external wastegate with two vacuum line connections? JustenGT4Mon, 20 June 2005 22:47
Read Message   Re: external wastegate with two vacuum line connections? oldcorollasTue, 02 August 2005 13:26
Read Message   Re: external wastegate with two vacuum line connections? Chris DaveyMon, 20 June 2005 23:11
Read Message   Re: external wastegate with two vacuum line connections? ae95Tue, 02 August 2005 07:36
Read Message   Re: external wastegate with two vacuum line connections? Chris DaveyTue, 02 August 2005 09:30
Read Message   Re: external wastegate with two vacuum line connections? ae95Tue, 02 August 2005 10:42
Read Message   Re: external wastegate with two vacuum line connections? rb30 boyTue, 02 August 2005 12:01
Read Message   Re: external wastegate with two vacuum line connections? Chris DaveyTue, 02 August 2005 22:33
Read Message   Re: external wastegate with two vacuum line connections? ae95Tue, 02 August 2005 13:07
Read Message   Re: external wastegate with two vacuum line connections? rb30 boyTue, 02 August 2005 13:15
Read Message   Re: external wastegate with two vacuum line connections? rb30 boyTue, 02 August 2005 13:20
Read Message   Re: external wastegate with two vacuum line connections? ae95Tue, 02 August 2005 13:35
Read Message   Re: external wastegate with two vacuum line connections? MS-75Wed, 03 August 2005 02:40
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