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I supported Toymods
Location:
melbourne.victoria.austra...
Registered:
June 2002
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Re: Turbo manifold design
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Fri, 07 May 2004 07:01
 
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ok, ideally the smaller the dia of the pipe, the faster the response. i'm using schedule 40 1.25" steam pipe for mine - i got a 90 degree bends and half a meter of pipe to go with it for $45 - good value.
ideally a well cut header plate is a good idea also. respective flanges for the turbos can be had from several places, mine cost $40 for a t03 style flange for my rb20 turbo.
i'm not sure of the logic on a 6, but my 4AGE collects 2 and 3 and 1 and 4 - i'm working near a simple log design because of space constraints and the weld els are hard to work with also.
you could look at a stainless steel setup - remember to factor for the different expansion rate of the stainless - example the outer studs to hold the manifold to the head make the holes slightly larger otherwise you'll crack them.
ideally you want to also go for equal length runners, whilst you won't notice it really on the street by the looks of things you're looking for hi rpm so this will help somewhat ; again only marginally but every bit counts depends on how much room you have to work with and turbo mounting position - again stainless would be easier to work with here. equal length runners will also help with heat dissipation, typically the exhaust temps increase as the gases are collected together 1 to 2 to 3 to 4 - for example, by the time the gas is at cylinder 4 its prolly 600 degrees (example) hotter than the exhaust gas at cylinder 1.
um, try and keep the turbo drain pipe straight down OR go against no more of an angle that 30 degrees - otherwise you could end up with flow back to the sump issues. remember the restrictor in the banjo bolt for the oil feed - as turboes don't need much oil pressure for lubrication - 1 - 1.2mm seems to be the ideal for my rb20bb turbo.
i'm not sure on your upside down idea though, do you want to hang the turbo off the flange plate (facing down) or do you want your flange plate facing upwards?
hope my waffle has helped.
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| | Subject | Poster | Date |
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Turbo manifold design
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7M-Brisbane | Thu, 06 May 2004 23:41 |
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Re: Turbo manifold design
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robs | Fri, 07 May 2004 00:41 |
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Re: Turbo manifold design
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YelloRolla | Fri, 07 May 2004 05:00 |
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Re: Turbo manifold design
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lumpy | Fri, 07 May 2004 05:37 |
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Re: Turbo manifold design
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YelloRolla | Fri, 07 May 2004 05:42 |
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Re: Turbo manifold design
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lumpy | Fri, 07 May 2004 06:32 |
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Re: Turbo manifold design
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YelloRolla | Fri, 07 May 2004 07:18 |
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Re: Turbo manifold design
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Grega | Fri, 07 May 2004 07:01 |
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Re: Turbo manifold design
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V8_MA61 | Fri, 07 May 2004 07:21 |
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Re: Turbo manifold design
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lumpy | Fri, 07 May 2004 13:31 |
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Re: Turbo manifold design
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7M-Brisbane | Sat, 08 May 2004 04:19 |
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Re: Turbo manifold design
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HKS_TRD | Sat, 08 May 2004 06:17 |
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Re: Turbo manifold design
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draven | Sat, 08 May 2004 07:48 |
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Re: Turbo manifold design
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BigWorm | Sat, 08 May 2004 08:45 |
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Re: Turbo manifold design
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draven | Sat, 08 May 2004 09:12 |
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Re: Turbo manifold design
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celicamad | Sat, 08 May 2004 10:49 |
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Re: Turbo manifold design
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gianttomato | Sun, 09 May 2004 05:15 |
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Re: Turbo manifold design
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quest | Sat, 08 May 2004 18:24 |
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Re: Turbo manifold design
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YelloRolla | Sat, 08 May 2004 23:50 |
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Re: Turbo manifold design
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7M-Brisbane | Sun, 09 May 2004 04:37 |
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Re: Turbo manifold design
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7M-Brisbane | Sun, 09 May 2004 06:19 |
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Re: Turbo manifold design
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gianttomato | Sun, 09 May 2004 06:58 |
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Re: Turbo manifold design
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7M-Brisbane | Sun, 09 May 2004 07:23 |
