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    Thread: Turbo charging the MKV 2.5l

    1. Member TylerO28's Avatar
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      06-12-2012 06:18 PM #126
      My start up is perfect.and sai is only for emission.heating the cat. So If there is no cat, delete it.if there is a cat...then leave it.I myself have zero negative effects from removing the sai system

      Sent from the bottomless pits of HELL!
      god i love my car. it may not be fast, but it's crazy fun!



      C2 stage 2 TURBO!!! ACHTUNG!!! 2.5liter 5cylinder contents under pressure!!!

    2. Member kevin splits's Avatar
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      06-12-2012 06:41 PM #127
      Quote Originally Posted by TylerO28 View Post
      My start up is perfect.and sai is only for emission.heating the cat. So If there is no cat, delete it.if there is a cat...then leave it.I myself have zero negative effects from removing the sai system

      Sent from the bottomless pits of HELL!
      Hm.. for some reason I think I heard Josh at nls say his old rabbit had rough cold starts because of no sai as well as cel
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

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      06-12-2012 06:50 PM #128
      Quote Originally Posted by kevin FaKiN spLits View Post
      Iirc, you get a cel if you just delete it. You have to wire a resistor to the plug, and have it flashed for a sai delete, which I then makes it "race" tune. Correct me if I'm wrong

      I'm keeping mine for idle reasons. With these low comp pistons its already a tough start n/a.
      so what size resistor do u need for the plug

    4. Member kevin splits's Avatar
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      06-12-2012 06:57 PM #129
      Quote Originally Posted by Zimm the Mkv racer View Post
      so what size resistor do u need for the plug
      Beats me. I remember talks of how having the sai flashed out was tough, and startup idle was affected, but I guess not... Now I'm wondering what I'm thinking about...
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

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      06-12-2012 07:02 PM #130
      Quote Originally Posted by kevin FaKiN spLits View Post
      Look, show progress or gtfo. It's page 4 and nothing has progressed other than those pics you got off Google.


      just for u

    6. Member kevin splits's Avatar
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      06-12-2012 07:12 PM #131
      Quote Originally Posted by Zimm the Mkv racer View Post


      just for u
      Ok, now get it on the car
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

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      06-12-2012 07:20 PM #132
      i will as soon as the wife lets me buy more parts. but u have no idea about the resistor for the sai delete.

    8. Member kevin splits's Avatar
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      06-12-2012 07:29 PM #133
      Quote Originally Posted by Zimm the Mkv racer View Post
      i will as soon as the wife lets me buy more parts. but u have no idea about the resistor for the sai delete.
      No Tyler knows I believe. I didn't know it was that easy. I thought you needed it programmed out.
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

    9. Member kevin splits's Avatar
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      06-12-2012 07:32 PM #134
      Also that's a fair size turbo. What's its hot side a/r? 3 or 4" intake?
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

    10. 06-12-2012 09:10 PM #135
      Quote Originally Posted by kevin FaKiN spLits View Post
      No Tyler knows I believe. I didn't know it was that easy. I thought you needed it programmed out.
      i know too. i'm just not going to say.

      have you at least tried to go to the car and plan on how to do the build?

      besides ask a butload of questions, what have you done?
      you are a "DIY" guy... well... what are you doing here posting and not figuring things out??

      READ! SEARCH! turbo builds are nothing new. there is a LOT of information available HERE on vortex.

    11. Member TylerO28's Avatar
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      06-12-2012 10:30 PM #136
      I know, but only care to share info with people that legitimately know the positives and inherent draw backs of deleting sai.

      As far as I'm concerned I'll help once the build begins and we see legit progress!

      If I can tell that I'm no longer feeding the troll or stop feeling like we've found another nightshift....I'll check in but offer no real advice

      Sent from the bottomless pits of HELL!
      god i love my car. it may not be fast, but it's crazy fun!



      C2 stage 2 TURBO!!! ACHTUNG!!! 2.5liter 5cylinder contents under pressure!!!

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      06-13-2012 05:13 PM #137
      Quote Originally Posted by kevin FaKiN spLits View Post
      Also that's a fair size turbo. What's its hot side a/r? 3 or 4" intake?
      50mm trim 3.0 inlet 2.0 outlet

    13. Member kevin splits's Avatar
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      06-13-2012 06:14 PM #138
      Quote Originally Posted by Zimm the Mkv racer View Post
      50mm trim 3.0 inlet 2.0 outlet
      The hotside out? 2.5"? 3"?
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

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      06-13-2012 06:31 PM #139
      Quote Originally Posted by kevin FaKiN spLits View Post
      The hotside out? 2.5"? 3"?
      2.5. and the resistor for the sai delete is a 300ohm 10w resistor
      Last edited by Zimm the Mkv racer; 06-13-2012 at 06:38 PM.

    15. Member TylerO28's Avatar
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      06-14-2012 03:12 AM #140
      Quote Originally Posted by Zimm the Mkv racer View Post
      2.5. and the resistor for the sai delete is a 300ohm 10w resistor
      no the resistor isn't a 300 ohm...

      you're close but not correct lol

      if you are seriously going to do this, get ready for more time and effort than you'd put into just installing a kit... not saying that you're doing it wrong though.

      i just think you should be warned that you should prepare to pay well over what the initial cost of buying a kit would cost... think it over. you now need to fabricate a 4bolt flange downpipe. (stupid idea fyi because if you'd have got a v-band outlet... then at least you wouldn't have to worry about welding the downpipe EXACTLY perfect) v-band allows a little fudge room because you could then clock the pipe a bit if needed.

      whats your plan with injectors? get ready for that. what about your diverter valve? what about your oil supply and return line for the turbo? whos going to weld the -10an fitting to your oil pan? do you know where that goes? how about charge piping? do you know the correct size to ensure a steady charge that can help with the velocity of that charged air? what size core do you want to use for the intercooler?

      it's not impossible, but it's NOT cheap to do it by yourself. have to looked into the cost of just simple silicon couplers? even those are pricey
      god i love my car. it may not be fast, but it's crazy fun!



      C2 stage 2 TURBO!!! ACHTUNG!!! 2.5liter 5cylinder contents under pressure!!!

    16. Member kevin splits's Avatar
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      06-14-2012 01:07 PM #141
      Quote Originally Posted by TylerO28 View Post
      no the resistor isn't a 300 ohm...

      you're close but not correct lol

      if you are seriously going to do this, get ready for more time and effort than you'd put into just installing a kit... not saying that you're doing it wrong though.

      i just think you should be warned that you should prepare to pay well over what the initial cost of buying a kit would cost... think it over. you now need to fabricate a 4bolt flange downpipe. (stupid idea fyi because if you'd have got a v-band outlet... then at least you wouldn't have to worry about welding the downpipe EXACTLY perfect) v-band allows a little fudge room because you could then clock the pipe a bit if needed.

      whats your plan with injectors? get ready for that. what about your diverter valve? what about your oil supply and return line for the turbo? whos going to weld the -10an fitting to your oil pan? do you know where that goes? how about charge piping? do you know the correct size to ensure a steady charge that can help with the velocity of that charged air? what size core do you want to use for the intercooler?

      it's not impossible, but it's NOT cheap to do it by yourself. have to looked into the cost of just simple silicon couplers? even those are pricey
      have to disagree with you on the couplers! IE's are cheap, very cheap!
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

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      06-14-2012 09:51 PM #142
      Quote Originally Posted by TylerO28 View Post
      no the resistor isn't a 300 ohm...

      you're close but not correct lol

      if you are seriously going to do this, get ready for more time and effort than you'd put into just installing a kit... not saying that you're doing it wrong though.

      i just think you should be warned that you should prepare to pay well over what the initial cost of buying a kit would cost... think it over. you now need to fabricate a 4bolt flange downpipe. (stupid idea fyi because if you'd have got a v-band outlet... then at least you wouldn't have to worry about welding the downpipe EXACTLY perfect) v-band allows a little fudge room because you could then clock the pipe a bit if needed.

      whats your plan with injectors? get ready for that. what about your diverter valve? what about your oil supply and return line for the turbo? whos going to weld the -10an fitting to your oil pan? do you know where that goes? how about charge piping? do you know the correct size to ensure a steady charge that can help with the velocity of that charged air? what size core do you want to use for the intercooler?

      it's not impossible, but it's NOT cheap to do it by yourself. have to looked into the cost of just simple silicon couplers? even those are pricey
      about all the things u asked, Hmmmm lets see i am a welder and a mechinists in the marine corps. I have cnc programming training, not too also say i have welded for about six years and am very good at tig welding. Also i have looked around for oil feed and return like kits and found several, i have found a intercooler that is 27"x7"x2.5", i will make brackets to mount them to the bumper support, now the pipeing i am getting a universal kit and am going to cut and fit it to the car. So for the wastegate/dv, havent came to a decide which one i want to go with yet. havent figured out if u can run a bov with a maf system. anything else i missed.

    18. Member TylerO28's Avatar
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      06-14-2012 10:29 PM #143
      yeah... nothing was even answered....

      you found return "kits" ok... i can say it's nice that you know how to weld....

      so maybe you can keep some cash in your pocket there...

      just trying to help you get everything situated... NO you cannot run a BOV on a car with a maf (actually thats not true, it can be done, but at a few costs. my bro in law actually had serious issues running an atmo BOV on his 1.8t) regardless i hope you can show us some progress...

      now what I WANT TO SEE!!!!
      lemme see some of your welds... I don't doubt your word, but i am always interested in checking out people's work! post something up!
      god i love my car. it may not be fast, but it's crazy fun!



      C2 stage 2 TURBO!!! ACHTUNG!!! 2.5liter 5cylinder contents under pressure!!!

    19. Member kevin splits's Avatar
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      06-15-2012 12:14 AM #144
      Quote Originally Posted by TylerO28 View Post
      yeah... nothing was even answered....

      you found return "kits" ok... i can say it's nice that you know how to weld....

      so maybe you can keep some cash in your pocket there...

      just trying to help you get everything situated... NO you cannot run a BOV on a car with a maf (actually thats not true, it can be done, but at a few costs. my bro in law actually had serious issues running an atmo BOV on his 1.8t) regardless i hope you can show us some progress...

      now what I WANT TO SEE!!!!
      lemme see some of your welds... I don't doubt your word, but i am always interested in checking out people's work! post something up!
      That's weird, cause we have a 600hp 1.8t and 2 800hp R32 running bov on their stock mafs I just found out. Also found out the mafs are ran upstream not downstream the correct way. No issues at all other than running rich at high rpm let off. I'm not advocating just slapping a bov on but its being done... A lot... Tons of people are successfully running Tial bovs on maf cars with no real problems.

      For simplicity and to keep everyone happy op run a forge 007. F plastic bosh bs.
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

    20. Member TylerO28's Avatar
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      06-15-2012 03:16 AM #145
      yup like i said.. it can be done... but takes tweaking... Kevin... can you let me know what software those cars you've talked about are using? because i'm sure you can tune for let off. and kinda give the car a little "um close your eyes right now" so it ignores that little flutter.

      anyway yeah OP can stick to the 007 forge
      god i love my car. it may not be fast, but it's crazy fun!



      C2 stage 2 TURBO!!! ACHTUNG!!! 2.5liter 5cylinder contents under pressure!!!

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      06-15-2012 04:10 PM #146
      Quote Originally Posted by TylerO28 View Post
      yeah... nothing was even answered....

      you found return "kits" ok... i can say it's nice that you know how to weld....

      so maybe you can keep some cash in your pocket there...

      just trying to help you get everything situated... NO you cannot run a BOV on a car with a maf (actually thats not true, it can be done, but at a few costs. my bro in law actually had serious issues running an atmo BOV on his 1.8t) regardless i hope you can show us some progress...

      now what I WANT TO SEE!!!!
      lemme see some of your welds... I don't doubt your word, but i am always interested in checking out people's work! post something up!
      u cant see much but these are some of my stick welds when i was in afganistan



      Last edited by Zimm the Mkv racer; 06-15-2012 at 04:13 PM.

    22. Member kevin splits's Avatar
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      06-16-2012 09:19 AM #147
      Quote Originally Posted by TylerO28 View Post
      yup like i said.. it can be done... but takes tweaking... Kevin... can you let me know what software those cars you've talked about are using? because i'm sure you can tune for let off. and kinda give the car a little "um close your eyes right now" so it ignores that little flutter.

      anyway yeah OP can stick to the 007 forge
      I want to say they are all on Maestro/Eurodyne. All it does is shoot a fireball. None of them have cats so they just leave it alone. They only do that at wot let offs.
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

    23. Member TylerO28's Avatar
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      06-16-2012 03:12 PM #148
      Quote Originally Posted by kevin FaKiN spLits View Post
      I want to say they are all on Maestro/Eurodyne. All it does is shoot a fireball. None of them have cats so they just leave it alone. They only do that at wot let offs.
      And fireballs are a welcome addition when WOT/flat shifting

      Sent from the bottomless pits of HELL!
      god i love my car. it may not be fast, but it's crazy fun!



      C2 stage 2 TURBO!!! ACHTUNG!!! 2.5liter 5cylinder contents under pressure!!!

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      06-21-2012 06:33 PM #149
      Quote Originally Posted by kevin FaKiN spLits View Post
      That's weird, cause we have a 600hp 1.8t and 2 800hp R32 running bov on their stock mafs I just found out. Also found out the mafs are ran upstream not downstream the correct way. No issues at all other than running rich at high rpm let off. I'm not advocating just slapping a bov on but its being done... A lot... Tons of people are successfully running Tial bovs on maf cars with no real problems.

      For simplicity and to keep everyone happy op run a forge 007. F plastic bosh bs.
      So when u mean upstream ur talking about the maf being at the intake side of the turbo right after the filter

    25. Member kevin splits's Avatar
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      06-21-2012 09:08 PM #150
      Quote Originally Posted by Zimm the Mkv racer View Post
      So when u mean upstream ur talking about the maf being at the intake side of the turbo right after the filter
      Yes.
      "The Vile Bunch" ll v2lab ll eemilitiatv ll Stay Orange.
      2008 Mkv-sold; 2003 yellow SRT-4-sold; 2009 G8 GT-sold; 1991 Talon TSI- fully built-sold ; 2011 Mk6

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