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Old 10-01-2002, 01:54 PM   #1
blindclown
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Location: East Hartford, CT
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2005 Impreza WRX STi
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Question Looking for some Suggestions for a Boost Controller?

I'm thinkin about getting a boost controller, and I was looking for some good ideas and suggesions.

What Boost controller are you using, and what might be the advantages, and disadvantages of one vs the other. I have an idea of what the advantages\disadvantages may be, but I was looking for some other input.

Also where can I look?
What boost do you run at..etc?
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Old 10-01-2002, 02:03 PM   #2
Thug
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For overall value, you cant beat the Hallman Manual Boost Controller. Unless you build your own, which will run you about $4 in parts at Home Depot.
If you're thinking about getting an electronic one, all I can say is: Do your homework, about the product as well as the vendor.
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Old 10-01-2002, 02:06 PM   #3
jamz
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Well, on the cheap side, you can build you own ball-and-spring type controller for about four bucks. On the more expensive side, you can use the Blitz SBC-ID, which is what I have. It's nice, uses twin solenoids for pretty steady boost, and you can adjust it in the cockpit, which was the main attractor for me.

This way, I can use my default setting (13 PSI) for evreyday driving, and turn the boost down under certain conditions (extended highway driving, or when the weather is really hot) to 8 or 10, or I can bump it right up to "emergency war power", or about 15.5 PSI, just by hitting a few buttons. I like it, and it adds a small amount of bling to my otherwise dull cabin.
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Old 10-01-2002, 02:10 PM   #4
Thug
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Quote:
Originally posted by jamz
I like it, and it adds a small amount of bling to my otherwise dull cabin.
I thought that was what the duct tape was for?
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Old 10-01-2002, 02:39 PM   #5
Davenow
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Default MBC=best bang for your buck

Halman is the cheapest, and can be built by you for about 4 bucks, OR bought on ebay for 9.95 BUT as it is a ball and spring type boost controler, it will be subject to problems with partial throttle high boost, which is a BAD thing and can lead to engine damage.
There are manual boost controllers that can handle this MUCH better, they are of the ball and springAND bleed type. The TurboXS High Performance Manual Boost OCntroller(HPMBC) is what I use. I got mine for 106.50 shipped from ebay(www.rx4speed.com <<free plug for a nice guy)
Took me all of 5 min to install and AWESOME improvement over stock. Plan about 15min in an empty lot or road to set it up for correct boost pressure. It will still get PTHB but not nearly as bad or as easily, and you can just back off for a sec and it goes away.

Even cheaper than ANY of those is the ever popular and VERY potent 3/16 mod, do a search on how and what to replace for this one, lets just say for less than a can of coke you get 3psi more in 1-2 gear and almost 1 psi more in 3-4-5.
ALSO VERY IMPORTANT
BEFORE
you go screwing with boost pressure, you need to have a boost gauge. I got mine from ebay 55.50 shipped, Autometer 4317 then picked up a mounting cup at a local speed shop for 12 bucks and a couple brass fittings/wire loom to cover the line at a pep boys for about 10 bucks. Install took me about 35 min, but I know my way around a car pretty well, AND did a lot of research on where everything was going to be run and hook up.

First thing you should do is go do the 3/16 mod while you think about which way you wanna go. You dont need a boost gauge for the 3/16 mod since the factory boost controller will keep things in check. Personnaly I cant recommend halman type MBC's because of the PTHB thing, BUT VISHNU includes one in the stage 0 kit so how bad can it be? For the gains that you will get, and not have to worry nearly as much about PTHB, I would say that 106 bucks in NOT a bad investment with that Turboxs hpmbc.
just remember the gauge!!!!!
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Old 10-01-2002, 09:25 PM   #6
CastleBravo
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Be careful with the TurboXS HPMBC. I installed mine and removed it three days later due to wild engine hesitation at partial throttle in 3rd and 4th gear. There are some threads about this, just do a search.

For piece of mind, save your money and get the Blitz SBC-iD or the equivalent Apexi model which, I think, also allows you to program boost at different throttle and RPM. You can control the boost from the cabin and not worry about high EGTs when cruising on the highway.

-Brian
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Old 10-01-2002, 09:55 PM   #7
Rattles
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profec b all the way. i had the greddy profec b in my old subaru and it is the best ebc out there. no other ebc can match it. i can also get you a good price if you want one so let me know
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Old 10-02-2002, 08:33 AM   #8
Davenow
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Default .

I never have any hesitation problems with my HPMBC. Weird. I guess Im lucky? Yeah man if you can afford an electronic boost controller, DO IT, if not than an MBC is the way to go.
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Old 10-02-2002, 09:32 AM   #9
02WRX03060
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No one else has mentioned it yet so I guess I will.

I use a boostvalve MBC with the dawes device.
Any ball and spring type MBC will work, even the homemade one, but I heard there were some problems with the Joe P (maybe fixed by now).
The dawes device is used to connect both the FBC and the MBC to a switch. With the switch off I am using the FBC, with the switch on I am using the MBC. It's just like the Blitz SBC-ID or TurboXS dual stage controller, but cheaper.
I like this because if anything goes wrong with the MBC I can turn the FBC back on and make it home.

Run a search, there is tons of info on it.
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Old 10-02-2002, 10:10 AM   #10
blindclown
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Thanks guys, I guess I will do some research on the matter a bit more than what I thought I was going to. Thanks for your help.
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