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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > 2.5 Liter/Litre Factory Motor


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Old 06-26-2008, 10:01 PM   #131
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Default Re: The EWG FAQ (External Wastegate)

I meant BillFromTR is absolutely correct in his answer to post before his. No relocation of turbo is needed.
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Old 06-26-2008, 10:05 PM   #132
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Default Re: The EWG FAQ (External Wastegate)

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Originally Posted by neverendingmods View Post
I meant BillFromTR is absolutely correct in his answer to post before his. No relocation of turbo is needed.
haha i gotcha dude but can u read my above post about it being beneficial?
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Old 06-26-2008, 10:32 PM   #133
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Default Re: The EWG FAQ (External Wastegate)

Yeah man, it makes a big difference. I can say 1st hand experience, proven on same dyno same day , same tuner and on same year car. The EWG is equal to a bigger tmic and unequal length header power gain. EWG ='s bigger tmic + unequal length header tq gains. This is Roughly but as stated, same dyno same tuner and same year car. Just different parts. A significant gain to say the least.
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Old 06-26-2008, 10:37 PM   #134
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Default Re: The EWG FAQ (External Wastegate)

Once the guy upped his injectors CC, he matched me whp and TQ 2 weeks later. I had TGV's eliminated and he didn't. He had aps tmic + gtspec headers and I was stock headers and tmic. It was really close power wise. It couldn't of been a better comparison imho. EWG allows alittle more overall boost and holds peak boost better than internally gated.
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Old 06-26-2008, 10:44 PM   #135
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Default Re: The EWG FAQ (External Wastegate)

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Originally Posted by neverendingmods View Post
Once the guy upped his injectors CC, he matched me whp and TQ 2 weeks later. I had TGV's eliminated and he didn't. He had aps tmic + gtspec headers and I was stock headers and tmic. It was really close power wise. It couldn't of been a better comparison imho. EWG allows alittle more overall boost and holds peak boost better than internally gated.
Wow thats pretty damn impressive. What does TGV stand for? Also wat engine management are you using? Cobb APv2?
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Old 06-26-2008, 10:58 PM   #136
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Default Re: The EWG FAQ (External Wastegate)

PM'd you.
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Old 06-27-2008, 09:56 AM   #137
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Default Re: The EWG FAQ (External Wastegate)

I have a question not sure if its been answered... I want to buy an EWG for my stock turbo, but i was wondering what size 38mm or 44mm, because soon ill be switching to a bigger turbo most likely in the stock location... But i dont want to buy a new EWG for this, so which is the best to get.. Thanks a lot
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Old 06-28-2008, 03:26 AM   #138
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Default Re: The EWG FAQ (External Wastegate)

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Originally Posted by SirMattieP View Post
I have a question not sure if its been answered... I want to buy an EWG for my stock turbo, but i was wondering what size 38mm or 44mm, because soon ill be switching to a bigger turbo most likely in the stock location... But i dont want to buy a new EWG for this, so which is the best to get.. Thanks a lot
I would say it depends on how much of a bigger turbo you will be getting. I'm using a 38mm with my Green and have had zero issues but I would imagine you may need more if you run rotated but I don't have have experience with that. Only letting you know what works for me.
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Old 06-29-2008, 09:46 AM   #139
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Default Re: The EWG FAQ (External Wastegate)

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Originally Posted by SirMattieP View Post
I have a question not sure if its been answered... I want to buy an EWG for my stock turbo, but i was wondering what size 38mm or 44mm, because soon ill be switching to a bigger turbo most likely in the stock location... But i dont want to buy a new EWG for this, so which is the best to get.. Thanks a lot
Its not only the size you have to worry about. The 38mm EWG is a bolt-style wastegate. The 44mm wastegate is a v-band wastegate. Physically, the size of the 38 and 44 are very similar, but I would pick the ease and security of the v-band 44mm wastegate over the 38mm wastegate.
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Old 06-30-2008, 01:06 PM   #140
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Default Re: The EWG FAQ (External Wastegate)

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Originally Posted by atomicfire View Post
Its not only the size you have to worry about. The 38mm EWG is a bolt-style wastegate. The 44mm wastegate is a v-band wastegate. Physically, the size of the 38 and 44 are very similar, but I would pick the ease and security of the v-band 44mm wastegate over the 38mm wastegate.
Security? From everything i've heard/read/experienced the 44mm has a lot of problems and in reality its much safer and better to run the 38mm unless you plan on running leaded gas, thats the only reason to buy 44.............and you should just run vp109 unleaded instead of leaded neway.


me like my 38mm
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