wastegate location >>
09-21-2003, 04:30 PM
#1
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wastegate location >>
i see alot of manifolds with wastegate flangs on one of the runners instead of where they merge together.
is there any downfall to not having the wastegate where it picks up the flow of all 4 cylinders instead of just one.
platinum.
is there any downfall to not having the wastegate where it picks up the flow of all 4 cylinders instead of just one.
platinum.
09-21-2003, 07:01 PM
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Re: wastegate location >> (platinum00)
Drag manifold above 10psi= creeep, and nasty tq curves.
InlinePro manifold above 10psi= steady everything.
I used those two examples because they are similar in turbo placement, but the WG locations differ quite a bit.
And, the drag puts the WG on the #1 runner
InlinePro manifold above 10psi= steady everything.
I used those two examples because they are similar in turbo placement, but the WG locations differ quite a bit.
And, the drag puts the WG on the #1 runner
09-21-2003, 07:11 PM
#6
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Re: wastegate location >> (Tinker219)
ok, well then that brings up a new question. to fix the issue of creep and crappy curves,
could you block off the wastegate flange on the runner and then run your wastegate from the downpipe flange such as this.
platinum.
could you block off the wastegate flange on the runner and then run your wastegate from the downpipe flange such as this.
platinum.
09-21-2003, 07:14 PM
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Re: wastegate location >> (platinum00)
Ya, thats how the turbos are designed to evacuate gas from Garret. Will be ALOT better then the WG coming off ONE runner....
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09-21-2003, 07:32 PM
#8
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Re: wastegate location >> (Tinker219)
Actually that design is not efficient since it is trying to control boost after the flow has entered the ex housing. The best method to prevent creep and have excellent control is before the ex housing entry at a location that pulls equally from all cylinders. The swing valve type housings also have a tiny outlet that is restrictive if you do not port it.
Modified by Dee at 4:05 AM 9/22/2003
Modified by Dee at 4:05 AM 9/22/2003
09-21-2003, 08:51 PM
#9
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my revhard tubular manifold puts the wastegate on only one runner and it works perfectly fien for me as well as many others out there. I'm not sure why it works well compared to others.
09-21-2003, 10:32 PM
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Re: (R6Elmo)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by R6Elmo »</TD></TR><TR><TD CLASS="quote">my revhard tubular manifold puts the wastegate on only one runner and it works perfectly fien for me as well as many others out there. </TD></TR></TABLE>
no it does not. Drag manifold is on the #1 runner, the RevHard is placed closer to the collector area (between #1 & #2) compared to the Drag.
no it does not. Drag manifold is on the #1 runner, the RevHard is placed closer to the collector area (between #1 & #2) compared to the Drag.
09-22-2003, 06:55 AM
#12
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Re: (TurboDANDEE)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TurboDANDEE »</TD></TR><TR><TD CLASS="quote">
no it does not. Drag manifold is on the #1 runner, the RevHard is placed closer to the collector area (between #1 & #2) compared to the Drag.</TD></TR></TABLE>
dandee. he could be talking about the old "short" tubular version, in which the wastegate is placed on the #4 runner.
no it does not. Drag manifold is on the #1 runner, the RevHard is placed closer to the collector area (between #1 & #2) compared to the Drag.</TD></TR></TABLE>
dandee. he could be talking about the old "short" tubular version, in which the wastegate is placed on the #4 runner.
09-22-2003, 10:39 AM
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Re: (2.2Lcivic)
Gotcha
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2.2Lcivic »</TD></TR><TR><TD CLASS="quote">
dandee. he could be talking about the old "short" tubular version, in which the wastegate is placed on the #4 runner.
</TD></TR></TABLE>
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