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Old 01-27-2013, 12:46 PM   #1
boo-key bear
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Default a couple of questions

First, are the air pump block off plates just flat plates I could make or do they have some sort of profile that goes down into the hole? If they are flat does anyone have some that are not installed They could send me a template of? Second, Im going stage 2 with a catless tbe and cobb ots tune for now. I will be getting a custom tune later when cash permits. Im really scared of boost creep. If I do get it can I just drive without getting into full boost until I get my wastegate ported? That brings me to my next question, I am comfortable porting but have never done a wastegate. I searched and found a good thread http://forums.nasioc.com/forums/showthread.php?t=635690 but cant find any with pix. the pix are removed from this one. I will probably send it out if I cant find good pix of where to port and where not to. If I get the whole turbo including wastegate ported will a need a custom tune or can I still be safe running the ots cobb map? Thanks in advance.
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Old 01-27-2013, 01:46 PM   #2
boo-key bear
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bump for answers please
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Old 01-27-2013, 01:53 PM   #3
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Just buy the plates, they are pretty cheap.

If you get boost creep, which is unlikely, just port it out. It isn't to hard, but is intimidating. Just do it. :-)
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Old 01-27-2013, 01:57 PM   #4
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First off, don't bump for answers after an hour.

Secondly, the plates are essentially just a flat piece of metal. When you order from a company that makes them, they also come with the necessary metal gasket to seal the port. Subaru actually says plates that work for this also. Check the GIANT air pump thread in 2.5L powertrain for specifics.

Boost creep isn't a guarantee. Stop worrying about it until you KNOW you have it.

And, if you plan on blocking off the air pump with plates, you will need to turn off the codes via a tuning method.
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Old 01-27-2013, 02:27 PM   #5
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Boost creep is not a guarantee and for God's sake do not think you can port your wastegate yourself as that is a boutique skill-set that you cannot learn on the internet or with pictures!!!!!!! Let a professional do it AFTER you have talked to your tuner and not before.
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Old 01-27-2013, 03:03 PM   #6
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Unabomber I used to enjoy your posts. But posts like that last one is why fewer and fewer people today know how to work on anything these days. Or why we have fewer and fewer people that know something about these cars. It's always tuner this professional that.

Why would you discourage someone who wants to learn a new skill?
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Old 01-27-2013, 03:15 PM   #7
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Because Una doesn't want another post in a week that's titled "Hey guys, my motor blew up. Any idea why??"

OP, if you have the tools and skill to port your own stuff, go for it. Just realize the risks that YOU take in doing so.
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Old 01-27-2013, 03:37 PM   #8
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It never hurts to go and talk to a professional and get some advice, tips and tricks from them. But seriously, if you have some common sense. If you do a bad job porting it, you will realize that right away and fix the problem before any damage has happened.
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Old 01-27-2013, 04:16 PM   #9
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Quote:
Originally Posted by Tweeder View Post
Unabomber I used to enjoy your posts. But posts like that last one is why fewer and fewer people today know how to work on anything these days. Or why we have fewer and fewer people that know something about these cars. It's always tuner this professional that.

Why would you discourage someone who wants to learn a new skill?
There are new skills to learn. Like porting exhaust manifolds....anyone can do this with the right tools and if you goof up a little, it is no big deal. If you goof up porting a turbo, you just created a $1000 paperweight. Big difference. While I'm NOT hating on your thought process individually, there is a collective belief here in many cases that any and all things automotive can become DIY activities, which is not the case. DIY exhaust manifold porting is good....DIY dentistry is bad.
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Old 01-27-2013, 10:17 PM   #10
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Alright, Im just really worried ill get some boost creep going catless. I guess ill try it out without porting and see. I have no tuners in my area so when I do get a custom map it will be an etune. Thanks for your advice.
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Old 02-01-2013, 03:11 PM   #11
boo-key bear
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Well, got it on today and flashed stage 2. Overboosted on the highway to like 18 psi. Hit fuel cut and got a p0244
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Old 02-02-2013, 12:23 PM   #12
boo-key bear
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Does anyone know where I can find the cobb stage 2 93 low wastegate duty cycle map for a 06 wrx? I checked their site but couldnt find it.
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Old 02-02-2013, 12:34 PM   #13
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It's on their site.
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Old 02-02-2013, 12:46 PM   #14
boo-key bear
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can you post or send me a link because I cant find it.
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Old 02-02-2013, 01:00 PM   #15
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Quote:
Originally Posted by boo-key bear View Post
Well, got it on today and flashed stage 2. Overboosted on the highway to like 18 psi. Hit fuel cut and got a p0244
Let me guess.

You took it on the freeway. Put it in 4th gear. Full throttle at 2000rpm.

Its not uncommon to overboost in the taller gears on low rpm pulls, and for the health of your motor - do NOT do high gear/low rpm pulls.
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Old 02-02-2013, 01:19 PM   #16
boo-key bear
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No, 3rd gear @ about 4-5k rpm
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