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Old 10-02-2005, 07:57 PM   #1
omnip
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Custom Turbo Project

I'm going to document a custom turbo project for a ZX3 in this thread with pictures. I am building the system from scratch with no pre-existing focus specific parts from any tuners.

The goal of this project is to compare the performance differences between a log style and an equal length turbo manifold on the ZX3.

Here is a basic outline:

Manifold1: Equal Length / Merge Collector Style , SCH40 Stainless construction, Tig Welded / Back Purged. External wastegate.

Manifold2: Log Style , SCH40 Stainless Construction. Tig Welded/Back Purged. External wastegate.

Turbo: T3/T04B Custom, I am going to use the 4 bolt external only turbine housing. Compressor is a 60-1. Stage 3 turbine, .48 A/R. 3" Inlet, 2" Discharge, 2.5" Exhaust Discharge

Wastegate: Tial 38mm

BOV: Tial 50mm

Intercooler: Custom Core, Custom stainless IC piping.

Intake: Custom 2.5" Stainless, CAI setup.

Oil System: -10 AN Stainless Braided Line. CNC'd -10 Oil Drain Fittings. -4 AN Feed Lines.



Last edited by omnip; 10-02-2005 at 08:47 PM.
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Old 10-02-2005, 08:00 PM   #2
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1st round of images:

The turbo:




The prototype header - just tacked for fitment.


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Old 10-02-2005, 08:30 PM   #3
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Good luck,what rpm do you expect to build boost ?I'm guessing from the manafold your going for the higher rpm's
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Old 10-02-2005, 10:07 PM   #4
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Re: Custom Turbo Project

[QUOTE]Originally posted by omnip
[B]

The goal of this project is to compare the performance differences between a log style and an equal length turbo manifold on the ZX3. QUOTE]

The only way to do that and be fair it to make 2 manifolds and use the same turbo and piping in both kit other wise its just another turbo kit with opinions / theory thrown in , An equal length manifold will only show a gain with upper HP cars or car turning a lot of RPM 7000 and up

Doesnt some one already have a manifold like this on FF somewhere

Tom
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Old 10-02-2005, 10:58 PM   #5
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just a thought but is that manifold design practically the same design as the jba shorty or ford racing shorty headers? looks like a big project regardless.. good luck
jake
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Old 10-03-2005, 12:00 AM   #6
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Both manifolds will use the same location, turbo, and all plumbing.

This "style" of header can be traced back into the early days of Honda FI.
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Old 10-03-2005, 09:38 AM   #7
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Isnt this header on a car on FF already

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Old 10-03-2005, 10:50 AM   #8
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Quote:
Originally posted by 1turbofocus
Isnt this header on a car on FF already

Tom
Are you talking about this one Tom?
this is user www.neukin.com
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Old 10-03-2005, 12:37 PM   #9
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I don't know about anyone else's, but this header was a pile of parts on saturday morning.
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Old 10-03-2005, 11:07 PM   #10
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Well my guess is the log will boost sooner with lower efeciency at high rpms
and the equal lenth will boost just A little later with more torque before boost and slightly lower torque when under boost, but higher HP numbers under boost boost especialy at higher rpm..... That's just my guess It may be somthing completly different when it gets tested.
I'll be interested in how this turns out.

I think I can remember a couple of turbo manifolds that looked somthing like the one you have pictured One was just a shorty header modified with the flange that later broke at the flange and another looked a whole lot like this one pictured stainles an all accept I think they added a brace that connected the turbo flange and the head flange I don't remember hearing of any trouble from the second one.
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