Stage 6 build - SC44 turbo, custom up-pipe, etc. - The Saab Link Forums

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Performance Modifications for the NG900 / Old 9-3 This forum contains PERFORMANCE related Q&A's for the NG900 and 9-3. This may also include suspension.

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Old 05-06-2012, 12:07 PM   #1
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Stage 6 build - SC44 turbo, custom up-pipe, etc.

Decided to get a thread started for this build I've been working on. My goal is to finish it by May 18th so I can take the car up to the first New England Hill Climb event of the year.

This car had a td04-19t when I bought it, now that it started burning oil I decided to go with something else. Below is a list of what is being done:

- Precision Turbo SC44 (similar specs to a HY35)
- Saab 9000 T3 manifold
- Top mount up-pipe from manifold to turbo
- Precision 39mm external wastegate
- 28x8x3.5" intercooler and 2.25" charge pipes
- 3" downpipe
- Viggen brakes

Other supporting hardware - 3 bar map sensor, 630cc Dekas, and walbro pump, and a tune by Mike D.

Day 1 - pulled the td04, manifold, oil and water lines, dropped the JSP downpipe







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Old 05-06-2012, 12:09 PM   #2
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Pic of some of the hardware:


Some fab work - new 3" top mount downpipe and up-pipe








Mounted turbo and intercooler - fitment is perfect, may have to remove hood liner as compressor is pushing up against it.

Had to grind the T3 manifold on the edge to clear:









Last edited by viva_brasil; 05-06-2012 at 07:42 PM.
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Old 05-06-2012, 12:11 PM   #3
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Finished pics:














Last edited by viva_brasil; 05-20-2012 at 08:41 PM.
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Old 05-06-2012, 12:33 PM   #4
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Wondering what size spring to use with the external wastegate - anybody using an EWG or have any input?
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Old 05-06-2012, 05:58 PM   #5
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What spring do you have in it now?
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Old 05-06-2012, 06:39 PM   #6
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New England hill climb?



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Old 05-06-2012, 06:42 PM   #7
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what are your plans for the 19t?
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Old 05-06-2012, 06:57 PM   #8
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Very cool, looks like you have some nice stuff going in. Ill also be at Ascutney with my 85' SPG.
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Old 05-06-2012, 06:58 PM   #9
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New England hill climb?
New England Hillclimb Association (NEHA) - www.hillclimb.org
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Old 05-06-2012, 07:37 PM   #10
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For the wastegate spring - I have what it came with in it (I think the smallest - 2 psi - spring), plus 3 other springs. I was planning on running 11psi (which is 2 springs together) but not 100% sure. I may run like 2 psi or something while it's on the 19t tune and then install the 11psi spring for the new tune.

Mike D will be acquiring my 19t turbo.

Nice - KP have you taken your car to DSG? I was there for other stuff and they mentioned a crazy caged SPG that runs at NEHA events.
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Old 05-06-2012, 09:27 PM   #11
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Interesting idea, making an up pipe. I'm curious to see in what way that affects spool.

I'm using a .7 bar (~10psi) spring in my Tial V44 and that's worked fine for me. No issues controlling boost with T5suite.
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Old 05-07-2012, 03:29 AM   #12
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Very cool, but get some light in that shop.
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Old 05-07-2012, 04:10 AM   #13
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wish i had thought of doing an up pipe....
i wouldve had a holset right now instead

who knows, maybe on the next setup i build?
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Old 05-07-2012, 04:26 AM   #14
 
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Curious...What are the benefits of the up pipe?

And I just looked at the NEHA site and the SPG driver is Pascal Belperron. He has a lot of vids on YouTube
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Old 05-07-2012, 05:37 AM   #15
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Mike - I wanted to keep A/C so with a bottom mount set-up the turbo would have to be mounted with the DP on the A/C side, which would be less than ideal for the DP, and the intake would be on the right and crossing over to the left to get to the intercooler (could have used a right side in/out intercooler). Would have to replace the fan with a slimmer one.

Overall I wanted more space for the downpipe, oil lines, keep A/C, use an external wastegate and best flow for the intake and exhaust sides.

Also curious to see what it does to spool. The diameter is 2" but the wall thickness is .14" so internal diameter is about 1.72".
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Old 05-07-2012, 05:49 AM   #16
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Very cool, but get some light in that shop.
The car is in a public garage, I have a battery-powered black and decker light which works well but not a lot of options... The other shop I use for welding/machining is a place called Artisan's Asylum.
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Old 05-07-2012, 07:34 AM   #17
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That up-pipe is a new one. I'm HY35'ing my 9000 and I would also like to keep the AC. If clearance is a problem I may take a page out of your book...
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Old 05-07-2012, 12:06 PM   #18
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Cool project!
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Old 05-07-2012, 12:08 PM   #19
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Quote:
Originally Posted by KaMiKaZi_t0M View Post
That up-pipe is a new one. I'm HY35'ing my 9000 and I would also like to keep the AC. If clearance is a problem I may take a page out of your book...
A/C compressor would probably be an issue on a 9000 with an up-pipe. I have no evidence to support this other than cocking my head sideways while looking at my engine bay.
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Old 05-07-2012, 12:40 PM   #20
 
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Originally Posted by viva_brasil View Post
Mike - I wanted to keep A/C so with a bottom mount set-up the turbo would have to be mounted with the DP on the A/C side, which would be less than ideal for the DP, and the intake would be on the right and crossing over to the left to get to the intercooler (could have used a right side in/out intercooler). Would have to replace the fan with a slimmer one.

Overall I wanted more space for the downpipe, oil lines, keep A/C, use an external wastegate and best flow for the intake and exhaust sides.

Also curious to see what it does to spool. The diameter is 2" but the wall thickness is .14" so internal diameter is about 1.72".
Ahhhh....I just saw the angle of the turbine-side flange that you can't just reclock the turbo. This looks like a pretty elegant solution to the problem....and a really kick-ass project in general.

Four thumbs up on this one....
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