Turbo flange placement - early steps in manifold fab

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Old Dec 22, 2007 | 05:30 PM
  #1  
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Default Turbo flange placement - early steps in manifold fab

What are some of the ways you guys position the turbo inlet flange when you first start on a manifold?

I've only made a couple manifolds and I have used an engine hoist to hold the turbo (GT42) in the general area I want it and then support the turbo flange to the head flange using angle iron. Then I get the first runner done.

Seems like there may be other easier/creative way to do this. How do you guys start your manifolds? In-progress pics would be cool too! I love seeing the way others do things... gives me a chance to improve my techniques.



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Old Dec 23, 2007 | 09:03 AM
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Default Re: Turbo flange placement - early steps in manifold fab (turbodoug)

You don't have to cover up the 4g63 we won't kick your dsm *** out.

Pretty much what your doing is right to find a flange location. I always measure from diffrent locations of the motor to where the flange will be with the turbo mocked up and than work from there.

Once your at the point you are at most people use cad or other computer programs to mock the tubing and whatnot up.
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Old Dec 23, 2007 | 09:47 AM
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Default Re: Turbo flange placement - early steps in manifold fab (snowseeker)

i usually make a bracket using the 2 bolts for the oil return flange. that gets the turbo to sit where i want, then go from there.
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Old Dec 23, 2007 | 10:06 AM
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Default Re: Turbo flange placement - early steps in manifold fab (snowseeker)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by snowseeker &raquo;</TD></TR><TR><TD CLASS="quote">
Once your at the point you are at most people use cad or other computer programs to mock the tubing and whatnot up.</TD></TR></TABLE>

I wouldn't say most, i'd say few at best are designing their manifolds with computer programs.

Most locate the flange exactly like the OP has done and start piecing things together.
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Old Dec 23, 2007 | 10:26 AM
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Default Re: Turbo flange placement - early steps in manifold fab (tony1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by tony1 &raquo;</TD></TR><TR><TD CLASS="quote">

I wouldn't say most, i'd say few at best are designing their manifolds with computer programs.

Most locate the flange exactly like the OP has done and start piecing things together. </TD></TR></TABLE>

Yes! I don't know what I was thinking
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Old Dec 23, 2007 | 10:56 AM
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Default Re: Turbo flange placement - early steps in manifold fab (Turbo-charged)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Turbo-charged &raquo;</TD></TR><TR><TD CLASS="quote">i usually make a bracket using the 2 bolts for the oil return flange. that gets the turbo to sit where i want, then go from there.</TD></TR></TABLE>

thats what i do; it works. mig some scrap together...
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Old Dec 23, 2007 | 10:49 PM
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Default Re: Turbo flange placement - early steps in manifold fab (bigTom)

I place the turbo where I want it. make the collector..bolt the collector to the turbo and build one runner. check fitment and go from there.
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Old Dec 24, 2007 | 07:53 PM
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Default Re: Turbo flange placement - early steps in manifold fab (bigTom)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bigTom &raquo;</TD></TR><TR><TD CLASS="quote">

thats what i do; it works. mig some scrap together... </TD></TR></TABLE>


ive never used a mig welder. looks easier than trying to tack crap together with a tig lol
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Old Dec 25, 2007 | 06:37 AM
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Default Re: Turbo flange placement - early steps in manifold fab (.RTErnie)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by .RTErnie &raquo;</TD></TR><TR><TD CLASS="quote">I place the turbo where I want it. make the collector..bolt the collector to the turbo and build one runner. check fitment and go from there.</TD></TR></TABLE>

Same here.
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Old Dec 25, 2007 | 10:49 AM
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Default Re: Turbo flange placement - early steps in manifold fab (Turbo-charged)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Turbo-charged &raquo;</TD></TR><TR><TD CLASS="quote">i usually make a bracket using the 2 bolts for the oil return flange. that gets the turbo to sit where i want, then go from there.</TD></TR></TABLE>

i find that interesting, i never thought of that and it would eliminate any sort of turbine housing variance to change compressor housing location.. it T3 4 bolt non gt VS 4b gt VS 5 bolt etc

Does that bracket support the entire weight of the turbo charger? do you have a pic youd be willing to share.
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Old Dec 25, 2007 | 05:12 PM
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Default Re: Turbo flange placement - early steps in manifold fab (EdsGTI)

nice
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Old Dec 25, 2007 | 06:32 PM
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Default Re: Turbo flange placement - early steps in manifold fab (EdsGTI)

unfortunately ive never taken a picture of one

i just use the 2 bolts on the oil drain flange with 1/8 inch plate

from there i normally weld on 1 inch steel tube to another 1/8 inch plate i mount to the block or head somewhere with atleast 2 bolts so it cant pivot.


honeslty, the brackets are usually pretty ugly simply because i dont care what they look like, i just need it to hold the turbo in one spot lol
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Old Dec 26, 2007 | 03:54 PM
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Default Re: Turbo flange placement - early steps in manifold fab (jon volk)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jon volk &raquo;</TD></TR><TR><TD CLASS="quote">

Same here. </TD></TR></TABLE>

Ditto. Seems to be a trend here I always felt like the computer programs just take longer than needed and don't account for any obstacles in your way.
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Old Dec 26, 2007 | 09:45 PM
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Default Re: Turbo flange placement - early steps in manifold fab (Turbo-charged)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Turbo-charged &raquo;</TD></TR><TR><TD CLASS="quote">
honeslty, the brackets are usually pretty ugly simply because i dont care what they look like, i just need it to hold the turbo in one spot lol</TD></TR></TABLE>

lol, nice. Its a tool, they dont need to be pretty
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Old Dec 27, 2007 | 05:23 AM
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Default



I'm loving those intercooler endtanks.
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Old Dec 28, 2007 | 01:56 PM
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Default Re: (MidShipCivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MidShipCivic &raquo;</TD></TR><TR><TD CLASS="quote">
I'm loving those intercooler endtanks. </TD></TR></TABLE>

QFT! they look nice

BTW Doug did you get that head flange?
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