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Old 02-18-2001, 09:30 AM   #1
yebokmj
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Post Recomendatoins for a low Boost Controler (5psi)

What it says above^^ I am looking for an electronic or manual boost controler and I want to run very low boost. 5 to 7 psi. What is the best one to go with?
Joshua
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Old 02-18-2001, 09:38 AM   #2
RyanC
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Josh, why don't you want to use the wastegate spring to limit your boost? It might be worth seeing how that does before you go out and spend more money on a boost controller.
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Old 02-18-2001, 09:50 AM   #3
Jon Bogert
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A spring will always leak a bit. If you want cheap, get a Joe P www.turbologic.com/joepmbc for $50 which will prevent leakage, but not surging. If you want the best control, spend $$$ on an HKS, APEXi or Greddy electronic one.
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Old 02-18-2001, 02:37 PM   #4
yebokmj
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I would idealy like to prevent surging and leaking sounds good to. Any recomendations?
Joshua
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Old 02-18-2001, 03:13 PM   #5
Jon Bogert
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Read this first:
http://www.i-club.com/ubb-files/Foru...ML/001010.html

then decide if you really need to spend $400+
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Old 02-18-2001, 05:29 PM   #6
AaronB
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I should have my JoeP MBC this week and installed upon receiving it. I will let you know how well it works at 5psi since that is how it is running.

Aaron http://www.azscooby.com
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Old 02-18-2001, 06:35 PM   #7
yebokmj
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AaronB PM me or do a post on how it is working for you.
Thanks,
Joshua
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Old 02-18-2001, 08:00 PM   #8
kastle
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I have a JoeP MBC for my SVX-T that is awaiting an install. Should be soon too.
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Old 02-18-2001, 10:55 PM   #9
N/A
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You might have wanted to check the www.dsmtrader.com also. People sell alot of their unwanted stuff on there.
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Old 02-19-2001, 02:12 PM   #10
DaveK
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I'm getting my turbo kit installed next month. I'm planning on running the same boost levels you are. I ordered the Blitz boost controller. You should be able to find it for under $300. Its got an adjustable high and low setting (min low setting 5psi, min high setting 9 psi) and a button so you can switch between them.
My plan is to only use the low setting for now, and if I upgrade fuel/internals later then I'll use the higher settings.
I think Larry @ imprezars.com is using one.
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Old 02-19-2001, 02:23 PM   #11
bill harvey
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I have the blitz and well no turbo but i won't get into that.. anyway the settings on the blitz should be able to be set lower if you turn the gain down but i won't know till i get my turbo shipped to me...
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Old 02-19-2001, 06:17 PM   #12
ImprezaRS dot com
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I have Blitz with the high setting working as low as 7 psi now, creeping to 8 in 4th and 5th gear under load. When I first got it I couldn't get the high button to give me under 9 psi. The low boost button will let me run as low as the stock wastegate settings of 5 psi (creeping to 7 psi in high gears).

Boost spike is gone, but creep is still there, and I understand a more expensive controller will fix creep if you are set for levels higher than the stock wastegate. I like it for being so cheap ($225 used almost new).

Larry www.ImprezaRS.com
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Old 02-19-2001, 07:03 PM   #13
RyanC
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Innn-teresting... I get no spike or creep with the wastegate-only boost control 'method'. My boost does drop off with rpms though, I'm down to about 4psi or so at redline from ~6 max. How are you recording the boost spikes, on the boost gauge only? I'm curious how the turbo creates the spike?
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Old 02-20-2001, 11:29 AM   #14
DaveK
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Larry,

How'd you get the boost controller to let you use less than 9 psi for the high setting. I was hoping to use 5 and 7 psi as my high and low settings. I finally committed to the turbo kit over the weekend. IHI ball bearing! I can't wait.
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