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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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#1 |
Live, eat, and sleep by TSL
Join Date: Jul 2006
Location: Brunswick Maryland
Posts: 1,613
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T5 Throttle Machining 70mm
"Custom throttle body overbore from 65mm (3318sq mm) to 70mm (3848 sq mm) Roughly 16% more throttle area. Should be combined with 3in throttle bend and larger delivery pipe on high output cars."
From Genuine Saab. Is this something worth considering if you are stae 4 and have all of the hardware?
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RG Rude WASSAAB member 1997 900SE Talladega (SQR stage 4) 2006 9-3SS Aero Last edited by Rudedog; 07-28-2009 at 06:19 PM. |
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#2 |
Elder
Join Date: Nov 2008
Location: Newport Beach, CA
Posts: 4,702
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Last time I talked to Nick T about it, they dont do it anymore. From what he said, it didnt make any appreciable differences. I dont think there will be any difference at all, especially not for stage 4.
I thought the machining was only done to match the bigger 2.5" delivery pipe and throttle body inlet.
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#3 |
Live, eat, and sleep by TSL
Join Date: Jul 2006
Location: Brunswick Maryland
Posts: 1,613
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Thanks.
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RG Rude WASSAAB member 1997 900SE Talladega (SQR stage 4) 2006 9-3SS Aero |
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#4 |
Nick Taliaferro
Elder
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On a stage 4 car the throttle is not a "major" problem. On the 2.3i and very high output cars it is different.
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Nicholas Taliaferro To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. | To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. | To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. 2.0 GOOSE 500whp + 8500rpm = 11.06 @125 E85 Viggen 439whp / 447tq 12.43 @114 on Gt2871.64, (Now 511whp Gt3076) Nordic E85 9-3 SS Aero 320hp / 350ftlbs |
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#5 |
Live, eat, and sleep by TSL
Join Date: Jul 2006
Location: Brunswick Maryland
Posts: 1,613
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Roger.
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RG Rude WASSAAB member 1997 900SE Talladega (SQR stage 4) 2006 9-3SS Aero |
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#6 |
Elder
Join Date: Nov 2008
Location: Newport Beach, CA
Posts: 4,702
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At what point would you say it would begin to make a difference? Also, would the current tune need to be tweeked to account for the larger TB?
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#7 | |
Elder
Join Date: Feb 2007
Location: Vermont
Posts: 3,403
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Quote:
guys run twin-turbo LS1 motors through 3" intercooler / intake piping. You'd have to have a turbo the size of a 5-gallon bucket and rev to 20krpm to push enough air out of a 2.3 to "clog up" the factory throttle body.
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-adam |
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#8 |
Live, eat, and sleep by TSL
Join Date: Jul 2006
Location: Brunswick Maryland
Posts: 1,613
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Guess that answers that question. Maybe I'll spend the money getting my car detailed instead.
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RG Rude WASSAAB member 1997 900SE Talladega (SQR stage 4) 2006 9-3SS Aero |
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#9 |
Elder
Join Date: Feb 2007
Location: Vermont
Posts: 3,403
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Twin-turbo LS1 in a 1992 Typhoon with twin Borg Warner T04's and a 78mm FAST throttle body. If you can force dual-screws, being spun by a 350, through a 78mm body with ease, then we've got nothing to worry about. Ever.
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-adam |
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#10 |
Live, eat, and sleep by TSL
Join Date: Jul 2006
Location: Brunswick Maryland
Posts: 1,613
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That looks great. Do you have a pic of the whole car?
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RG Rude WASSAAB member 1997 900SE Talladega (SQR stage 4) 2006 9-3SS Aero |
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#11 |
Elder
Join Date: Feb 2007
Location: Vermont
Posts: 3,403
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only one crappy one where its still half torn apart. This is not my vehicle, unfortunately.
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-adam |
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#12 |
Elder
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Now, tell me that thing has a T-56 in place of the automatic and it is AMAZING.
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#13 |
Elder
Join Date: Feb 2007
Location: Vermont
Posts: 3,403
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700R4 is long gone; its got a built 4L80E. T56 is a tough tranny for a truck like that. There are only 2 or 3 Syclone / Typhoons out there running manual trannies. I'm not 100% sure why that is, but it seems to generally worsen the driving experience in most opinions.
There is one truck I know of that runs a T56, but he's also running an Eaton supercharger, in addition to a single turbo. AWD 6-speed turbocharged supercharged ...............weird. and pretty ugly, but apparently its fast as hell.
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