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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 12-20-2007, 07:02 PM   #1
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Boost Controller

Hey guys, does anyone know where I can a good boost controller and what brand I should get?
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Old 12-20-2007, 08:48 PM   #2
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Http://www.boostcontroller.com


Great people to deal with!
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Old 12-21-2007, 06:29 AM   #3
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You can not run a boost controller like you are thinking on a T7 . The only thing you can get is an SMBC which creates a faster spool-up in first and second, and maybe a tad more boost once in a while in the later gears. Do a search on SMBC and you will find who sells them.
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Old 12-21-2007, 06:52 AM   #4
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Uh, what he said.


I thought you had a pre 2000 car.
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Old 12-21-2007, 07:05 AM   #5
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Originally Posted by lms View Post
You can not run a boost controller like you are thinking on a T7 . The only thing you can get is an SMBC which creates a faster spool-up in first and second, and maybe a tad more boost once in a while in the later gears. Do a search on SMBC and you will find who sells them.
http://smartperformance.net/product_...products_id=33



That said, use caution. Tricking the car into running more boost without increasing fuel can be dangerous...
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Last edited by codesplice; 12-21-2007 at 07:25 AM.
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Old 12-21-2007, 07:19 AM   #6
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For future ref, add the year and engine info into the body of the post or if it fits the thread title.
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Old 12-21-2007, 07:27 AM   #7
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When you are adjusting the SMBC make sure atleast 4 or 5 threads are showing. DO NOT turn it all the way up, you will hit fuel cut.
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Old 12-21-2007, 09:52 AM   #8
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how high do you guys think I can go?
my mods are:

Stg. 3 ecu
3" downpipe w/race cat
open-air intake
upgraded turbo intake pipe
forge aluminum intercooler
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Old 12-21-2007, 09:56 AM   #9
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If you've got a tuned ECU, DO NOT run a boost controller of any sort.

The tune already eliminates a lot of the margin for error built in to the stock ECU, and taking boost control away from the computer can cause bad things to happen.
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Old 12-21-2007, 10:46 AM   #10
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If you've got a tuned ECU, DO NOT run a boost controller of any sort.

The tune already eliminates a lot of the margin for error built in to the stock ECU, and taking boost control away from the computer can cause bad things to happen.
X2
Very bad things can and very likely will happen if you throw a controller on to a car with an upgraded ECU. the ECU will already crank it up for you. if you want more boost readapt or relearn the car.

Basically disconnect the battery let it clear everything out then do some WOT runs up hill in the morning (or nice cold air) and the car will readapt.
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Old 12-21-2007, 10:55 AM   #11
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X2
Very bad things can and very likely will happen if you throw a controller on to a car with an upgraded ECU. the ECU will already crank it up for you. if you want more boost readapt or relearn the car.

Basically disconnect the battery let it clear everything out then do some WOT runs up hill in the morning (or nice cold air) and the car will readapt.
More specifically, pull fuse 28 (I think?) for a wee bit. Then you want to do pulls in as high a gear as possible (starting from low rpm to high). I like third and fourth going up slight inclines.
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Old 12-21-2007, 10:58 AM   #12
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More specifically, pull fuse 28 (I think?) for a wee bit. Then you want to do pulls in as high a gear as possible (starting from low rpm to high). I like third and fourth going up slight inclines.
yeah....
what he said
poor mans boost controller/ecu upgrade
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Old 12-22-2007, 10:17 AM   #13
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alright, thanks for the info. guys. you saved my ass!
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