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Old 11-06-2001, 01:55 PM   #1
scootr
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Default So is the in-cabin MBC I bought not adequate for a legacy turbo setup?

I bought Turbosmart's In cabin Boost controller. I have read a lot of things saying it will not be good for around 5 psi. Is this true? I thought it would be fine as they make good products.

scootr
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Old 11-06-2001, 01:59 PM   #2
Jewbaru
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you DO NOT want to use an MBC for a low boost app, especially on a high compression engine like the RS. You'll spike and BOOM. If you're fuel system is up to it, and you don't get a huge spike (like if you're running 5psi, and you spike to 6-7), you'll be fine, but if the controller screws up, kiss your motor goodbye.
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Old 11-06-2001, 02:09 PM   #3
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I do not really have the money for a EBC, do I need to run a boost controller at all? My turbo is a RHB52 and is nothing too big. What are most (low boost) turbo kits using to contol boost?
If I absolutely need an EBC I could get one but otherwise.....

scootr
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Old 11-06-2001, 02:33 PM   #4
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if you're running 5psi or less, the wastegate can handle the boost to an extent.
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Old 11-06-2001, 02:36 PM   #5
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the wastegate would be good for 5psi or less but anything else get an EBC. ESPECIALLY on a High COmpression engine where cylinder pressure and boost spikes could easily KILL a cylinder.

Jeremy
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Old 11-07-2001, 09:57 AM   #6
scootr
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Would the Blitz street spec EBC be adequate? It is about 300 and I do not want to spend 500 for something I do not need.

scootr
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Old 11-07-2001, 12:22 PM   #7
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Default scootr,

It says in your title that you have a turbo legacy. I have asked this many times and people just overlook this part. What is, where can i get one, what year, are there any websites for the turbo legacy. I am really interested in a factory turbo charged subaru and dont have enough money for a wrx, but have no idea what it looks like or how it performs. please PM me about this subject or just poste a website or something. thanks
zac
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Old 11-07-2001, 12:31 PM   #8
Jewbaru
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he has a Legacy Turbo in his RS it sounds like.

IIRC, Legacy turbo's look like older Legacys, only they have a smallish hood scoop.

BTW scootr, I think the EBC you're looking at should be fine. For saftey, run low boost for a while, and watch for any spikes. Even if you see a tiny spike, return it.

Last edited by Jewbaru; 11-07-2001 at 01:39 PM.
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Old 11-07-2001, 06:05 PM   #9
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jewbaru thanks but didn't really help ,much. I still need years and how to find it. please
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Old 11-07-2001, 11:15 PM   #10
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sorry, that's all I know about 'em. From the one I saw, it was a VERY early legacy model, early 90s for sure.
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Old 11-08-2001, 01:11 PM   #11
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thanks
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Old 11-08-2001, 07:02 PM   #12
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Ok the Legacy Turbos were made 92-94 and came in a sedan and wagon style. The wagon only got a 4eat automatic while the sedan could also get a 5spd. THey have 160hp and 181lb/ft of torque. Check out http://www.xmission.com/~dac/ and also do a search in the Legacy forum and what not.

Kevin
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