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greddy boost controller

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Old Jul 4, 2006, 05:21 PM
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greddy boost controller

has anybody messed with the profec b sec 2. for some reason the boost keeps jumpin around. i tried raisin the gain and lower =init but it still does the same thing. any info will be appreciated.
Old Jul 4, 2006, 05:26 PM
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I dont have any technical info for ya except maybe something's wrong with yours or its installed incorrectly?
I had the spec 1 on my evo and it controlled the boost very accurately.
That being said I just ordered a spec 2 for my evo IX. I'll repost after its installed =D
Old Jul 4, 2006, 08:20 PM
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i did the same controller on my buddies IX MR and it boost perfectly. its not a big difference it jumps about 2 psi. up and down. its weird
Old Jul 4, 2006, 08:22 PM
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Did you remove the plug that you are not using?

Go here and try to set it up again:

link to set up greddy Profec B

Last edited by supersupra; Jul 4, 2006 at 08:27 PM.
Old Jul 4, 2006, 08:25 PM
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there is a thread on how to tune the ebc
look for it and there are good base settings posted by people here
I did the initial setup on mine as per greddy
then found out its close to waht others posted
but you will need to tweak the settings for your car and mods
read the thread its good stuff
Old Jul 4, 2006, 08:25 PM
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yup on both cars. it only really does it in 3rd 4th and 5th. 1st and 2nd are smooth
Old Jul 4, 2006, 08:26 PM
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profecb s2

also what is your boost source
did you tap into the turbo nipple or tee into the bov line
Old Jul 4, 2006, 08:28 PM
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Oh yeah! That is another, the stock hoses have pills in them.
Old Jul 4, 2006, 08:29 PM
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remove the pills
Old Jul 4, 2006, 08:32 PM
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what is the name of the thread
Old Jul 4, 2006, 08:34 PM
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https://www.evolutionm.net/forums/sh...ghlight=profec



How To Tune Your Greddy Profec B spec II
Old Jul 4, 2006, 08:53 PM
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what you mean by pills
Old Jul 5, 2006, 12:24 AM
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The hose has a restriction inside. Called a pill, like a plug with a small hole inside, allowing some air throught but not much, and changes the boost pressure.
When you add a boost controller, it is important to remove the stock hoses and use new, good quality ones.
Old Jul 5, 2006, 04:39 AM
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Looka here son https://www.evolutionm.net/forums/sh...ad.php?t=60826

Last edited by UndieStainz; Jul 5, 2006 at 04:40 AM. Reason: ooops, beat me to it, cool...
Old Jul 6, 2006, 12:15 AM
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the only stock hosin i have is the boost guage hose. the hosin to the wastgate and turbo have been replaced. i used the specs from the other thread and the boost still fluctuates.


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