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Old 11-09-2006, 08:53 PM   #1
TwrxZ
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stage 2

Default GM Boost Control Solenoid

ok i have 02 wrx full tbe/up/dp/no cats. i am thinking about buying the xpt stage 2 map. but there is an option of GM Boost Control Solenoid tuned version.......questions.......
1. what exatly is this GM Boost Control Solenoid? i know it replaces old one and help with target boost. other then that idk.
2. is is good with stage 2 tuned cars? will it over boost and if i get it what help will it give me?
3. whats everyones feed back who has it?

thanks guys SORRY for being a noob.

ps i did try and search i just found a write up on how to install and fix boosting prob with them.
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Old 11-24-2006, 08:24 AM   #2
subaruwrx420
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The GM solenoid is a three port unit versus the stocker that is bleed type system (two ports). It allows for more accurate boost control and quicker spool but you must be able to tune for it. That is, if you flash a map that was made to work with the stock soleniod but you have a GM unit, then you'll most likely boost spike.

I say the GM unit is good for any staged car, unless you have some crazy set up...my buddy ran it with his Stage II car without issue. But again, he tuned for it and was able to control boost better and spool sooner.

I have one on my car now and love it. Make sure you look around for a good price on it because I went to the GM dealer to purchase it along with the necessary pigtails connector and later found out that I over paid. Otherwise, it works great...I soldered it to my stock wiring and installed it per the instructions you found.

Hope that helps.
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Old 11-24-2006, 08:35 AM   #3
TheMadScientist
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Quote:
Originally Posted by subaruwrx420 View Post
The GM solenoid is a three port unit versus the stocker that is bleed type system (two ports). It allows for more accurate boost control and quicker spool but you must be able to tune for it. That is, if you flash a map that was made to work with the stock soleniod but you have a GM unit, then you'll most likely boost spike.

I say the GM unit is good for any staged car, unless you have some crazy set up...my buddy ran it with his Stage II car without issue. But again, he tuned for it and was able to control boost better and spool sooner.

I have one on my car now and love it. Make sure you look around for a good price on it because I went to the GM dealer to purchase it along with the necessary pigtails connector and later found out that I over paid. Otherwise, it works great...I soldered it to my stock wiring and installed it per the instructions you found.

Hope that helps.
You don't need the conector. It costs all most as much as the solenoid.

TMS
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Old 11-24-2006, 09:23 AM   #4
subaruwrx420
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^^Damn, I could have saved even more
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Old 11-24-2006, 08:34 PM   #5
disque71
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i picked up the solenoid and pigtail for 26 buck shipped from rockauto.com
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Old 11-29-2006, 05:19 PM   #6
ALaDDiN
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I was having trouble finding this on rockauto.com . . any other site for a good deal ? ?
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Old 11-29-2006, 05:23 PM   #7
quazimoto
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Old 11-30-2006, 01:50 PM   #8
DieselClown
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Quote:
Originally Posted by ALaDDiN View Post
I was having trouble finding this on rockauto.com . . any other site for a good deal ? ?
I had a hard time looking through their stupid java based catolog too but it's there. check the following part numbers (courtesy of disque71)

ACDELCO solenoid part # 214474(notes GM part number 1997152)
ACDELCO ABS modulator pigtale part # PT374 (notes GM part number 12102747)

If you check under the ACDELCO part #'s, it should come right up.

used this discount code: 508020134918
for 5% off purchase
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Old 11-30-2006, 02:47 PM   #9
Turbo_Mike
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I'm using the perrin one. Pretty much the same thing as the GM version, just a lot more expensive. Expect to use 40% less duty cycle to hit the same boost, and it can hold boost at high RPM's waaay better than the stock unit.
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Old 12-01-2006, 11:36 PM   #10
Freon
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