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    Thread: Holset user thread

    1. Member Pat @ Pitt Soundworks's Avatar
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      10-27-2010 10:37 AM #246
      And you're most certainly not on an equal length twin-scroll manifold mounted to a vr6.

    2. Former Advertiser Quintin@R.A.I.'s Avatar
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      10-27-2010 10:41 AM #247
      Quote Originally Posted by Pat @ Pitt Soundworks View Post
      And you're most certainly not on an equal length twin-scroll manifold mounted to a vr6.
      oh you just had to rub it in huh?

    3. Member Pat @ Pitt Soundworks's Avatar
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      10-27-2010 11:41 AM #248
      Don't worry, honey - you know I'm still in 4cyl land with you.. I'm just curious what the results are for the guy with the bigger motor.

    4. 10-27-2010 03:18 PM #249
      they both spool the same as there both on 12cm t3 houseings , but i have to agree the hx40 coldside is nice ,but at 30psi the hx35 seems to die off , were the hx40 pulled clean , yet both pull fine to the limiter at 20/25psi , defo a nice upgrade
      pics off the head/gasket
      Last edited by adaptorman; 10-27-2010 at 04:04 PM.

    5. Member Dave926's Avatar
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      10-27-2010 06:30 PM #250
      Wtf happened there?

    6. Member obdONE's Avatar
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      10-28-2010 11:27 PM #251



    7. Former Advertiser Quintin@R.A.I.'s Avatar
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      10-29-2010 12:13 AM #252
      ^^^now dont you feel better!?

    8. 10-29-2010 03:05 AM #253
      hi boost dave , nicely reflowed my head, gasket ill re weld it so isnt a problem and attempt more boost

    9. 10-29-2010 03:08 AM #254
      Quote Originally Posted by obdONE View Post


      something im unsure about here, as the turbo is ported , is ur manifold also a twin scroll, if it is how will the divider flow/seal correctly,

      if ur just runing a t3 un divided manifold i carnt se how the turbo will get any extra air as the inside hasnt been touched

    10. 10-29-2010 03:22 AM #255
      i also tryed these against the holset turbos

      gt4088
      holset hx40
      kkk27 modifyed gt35 coldside
      small switnzer

      my home mofiyed gt40 came first
      then kkk27 home mod
      holset hx40
      pics if needed
      Last edited by adaptorman; 10-29-2010 at 03:25 AM.

    11. Member Pat @ Pitt Soundworks's Avatar
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      10-29-2010 07:42 AM #256
      Quote Originally Posted by adaptorman View Post
      something im unsure about here, as the turbo is ported , is ur manifold also a twin scroll, if it is how will the divider flow/seal correctly,

      if ur just runing a t3 un divided manifold i carnt se how the turbo will get any extra air as the inside hasnt been touched
      For undivided, it's to remove the flat spot so airflow will be less turbulant entering the turbine housing.


      from a few pages back

    12. Member Pat @ Pitt Soundworks's Avatar
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      10-29-2010 07:48 AM #257
      Did you figure out what caused the head gasket to pop?

    13. Member obdONE's Avatar
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      10-29-2010 10:18 AM #258
      Quote Originally Posted by Quintin@R.A.I. View Post
      ^^^now dont you feel better!?
      Yes I do I'll post video by the end of the day.

      My buddy was talking to someone who was running a 12cm hx35 on his 12v @ 17psi and put down 420whp. So, we're a bit concerned as I have no idea what spring is in my wg and my engine cannot handle that much power.

      Thinking of doing a wg pressure test to see where we're at so that might be the only hold up to getting this on the road today.

    14. Former Advertiser Quintin@R.A.I.'s Avatar
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      10-29-2010 10:38 AM #259
      Quote Originally Posted by obdONE View Post
      Yes I do I'll post video by the end of the day.

      My buddy was talking to someone who was running a 12cm hx35 on his 12v @ 17psi and put down 420whp. So, we're a bit concerned as I have no idea what spring is in my wg and my engine cannot handle that much power.

      Thinking of doing a wg pressure test to see where we're at so that might be the only hold up to getting this on the road today.
      um yes it can. Stock block VR running 10.80@130 all day on 20psi making 510whp. Has made TONS of passes on it.

    15. Member obdONE's Avatar
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      10-29-2010 11:26 PM #260
      Quote Originally Posted by Quintin@R.A.I. View Post
      um yes it can. Stock block VR running 10.80@130 all day on 20psi making 510whp. Has made TONS of passes on it.
      sounds scary

      anyways, it's all put together and running like a champ. WG is set to 12psi, which is a good spot for me right now. pulls mean, but my reference is a supercharger, so... feels freaking amazing though, I'm already so in love. I'll get some vids up as soon as i can, but you guys all know the drill...

      I plan to hit the rollers next weekend and see how it shakes down.
      Last edited by obdONE; 10-29-2010 at 11:35 PM.

    16. 10-30-2010 12:26 AM #261
      So I'm interested, does anyone have any data on how a VGT would work on a 1.8T? Also, has anyone put any serious miles on one to see how the vanes would hold up on over the long run on a gasoline engine. I figure with a good W/M system, you can keep the EGT's around 1500F under boost. Maybe it's one of these too good to be true things, but at $250-600 for a 400+ WHP turbo that could hit full boost at 3000 RPM, I'd seriously consider trying one out.

    17. Member Dave926's Avatar
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      10-30-2010 01:26 AM #262
      The van design ona holset is nothing like a garrett, as it has less moving parts and seems to be a better design. All the tsb's on the 6.7 cummins was due to ****ty programming/software by dodge that caused soot buildup and failure of thevanes.

      Around page 5 or 6 on this thread there is a link to someone using a vgt on a 1.8t in another forum. I also posted a link to a user named aero on another forum using one of his dsm. I think he was seeing positive manifold pressure well below 3000 rpm and 22 psi just over 4000 rpm.

      Adaptorman post up some pics of that gt40, i remember seeing that and was like wtf. Still pretty cool you took the initiative to do that

    18. 10-30-2010 05:18 AM #263
      ive never had this happern before but was also about to blow over 2/5 clyinders, can only assume heat/air as it was blue , my issuise is u can buy mild steel head spacers and stainless head spacers ive never had a stainless one go , yet companys say they have heat issuises with stainless , ill not be useing a sh..te mild one again not recomended on high boosting vr engines

    19. 10-30-2010 05:23 AM #264
      Quote Originally Posted by obdONE View Post
      sounds scary

      anyways, it's all put together and running like a champ. WG is set to 12psi, which is a good spot for me right now. pulls mean, but my reference is a supercharger, so... feels freaking amazing though, I'm already so in love. I'll get some vids up as soon as i can, but you guys all know the drill...

      I plan to hit the rollers next weekend and see how it shakes down.
      keep us posted ,, as i usely run 20psi daily in my mk1 golf 4wd,46mm wastegate,but mine dosent seem fast , unless its me just justed to it

    20. 10-30-2010 02:49 PM #265
      decided to give mine a quick port out on the holset too

      then as this manifold was a t4 decided to grind the 12mm flange out and make a twinscroll divider

      as a fair amount of steel came out tbh ,, wheather it may make any differnce im unsure

    21. 10-30-2010 04:17 PM #266
      Quote Originally Posted by Dave926 View Post
      The van design ona holset is nothing like a garrett, as it has less moving parts and seems to be a better design. All the tsb's on the 6.7 cummins was due to ****ty programming/software by dodge that caused soot buildup and failure of thevanes.

      Around page 5 or 6 on this thread there is a link to someone using a vgt on a 1.8t in another forum. I also posted a link to a user named aero on another forum using one of his dsm. I think he was seeing positive manifold pressure well below 3000 rpm and 22 psi just over 4000 rpm.

      Adaptorman post up some pics of that gt40, i remember seeing that and was like wtf. Still pretty cool you took the initiative to do that
      dont laugh , but its the best boost powerd turbo ive ever used , insane






    22. Member Pat @ Pitt Soundworks's Avatar
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      10-30-2010 06:22 PM #267
      the **** man? Was that stick welded?

    23. Member Dave926's Avatar
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      10-30-2010 08:23 PM #268
      Adaptorman your a sick bastard....enough said. Props to you for having the balls to cut up a perfectly good turbo and make it how you want.

      Patt you should look up adaptorman's build thread on his truck. His fab work, ingenuity and everything else is no joke. I think he is on engine #5 due to insistance on running 30psi on stock engines

      I took my 16v out again today,unfortunately when the turbo starts going on full boil its leaning out. I really need to stop being lazy and install the dsm 450's so I can rip on it.

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      10-30-2010 10:56 PM #269
      i was gonna post those pix of his homemade twinscroll, but i forgot where they were.

      and FYI, he also hand cut his own head spacer too

    25. 10-31-2010 07:02 AM #270
      lol no mig welded ive had it glowing with no cracks or blowing issuises , spooled very well , with no surge ,,,

    26. 10-31-2010 07:06 AM #271
      Quote Originally Posted by Dave926 View Post
      Adaptorman your a sick bastard....enough said. Props to you for having the balls to cut up a perfectly good turbo and make it how you want.

      Patt you should look up adaptorman's build thread on his truck. His fab work, ingenuity and everything else is no joke. I think he is on engine #5 due to insistance on running 30psi on stock engines

      I took my 16v out again today,unfortunately when the turbo starts going on full boil its leaning out. I really need to stop being lazy and install the dsm 450's so I can rip on it.

      pmsl , was only a bit of fun idea tbh dave, but like most things seemed to work pritty well , ps dave little tip if ur runing learn on ur boost what fuel reg are you runing i.e 3bar, then add a 4bar , will give you extra fuel , (ie i run stock 3bar 560cc and fitted a 4 bar fuel reg which theres enoegh fuel for 640cc keeping afr at 11.5afr at 30psi ,or modify some injectors to suite,,, 4clyinder engines are more stable then vr6 lumps
      ps if u fancy re welding it few remains ur welcome
      Last edited by adaptorman; 10-31-2010 at 07:11 AM.

    27. 10-31-2010 07:26 AM #272
      Quote Originally Posted by newto20v View Post
      i was gonna post those pix of his homemade twinscroll, but i forgot where they were.

      and FYI, he also hand cut his own head spacer too


      ive made a few ,inletmanifolds 12v x2 /24v x1/ x3 exhuast manifolds and yes chuffing buying headspacers just make one you mean this one


      Last edited by adaptorman; 10-31-2010 at 07:34 AM.

    28. Member Pat @ Pitt Soundworks's Avatar
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      10-31-2010 09:56 AM #273
      That's awesome. I don't think I'd run my own head spacer - that takes balls that I don't have.

    29. Member Dave926's Avatar
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      10-31-2010 11:29 AM #274
      I'm running stock 19lb injectors due to my laziness. I don't think a 4 bar will cut it lol.

      So adaptorman how fast can you swap out a motor on your truck?

    30. 10-31-2010 11:58 AM #275
      long as its flat/holes algine and use copper sealer you wount have a problem , as i removed my homemade 1/5mm spacer to drop compression to 2.5mm mild steel and it blow the spacer , cheep steels that companys sell , so ill refit my homemade one i know it holds

    31. 10-31-2010 12:01 PM #276
      19lb erm there are a bit small , check which one u have fitted , or useing a riseing rate fuel reg , i have one kicking around in the garage ,u will find by removeing the vacum pipe ull have a solid 3bar , orpiped in around 2.5bar on idiol , if thats what u have fitted , bang a bigger one in ,, cheeper option ,,

    32. 10-31-2010 03:21 PM #277
      Quote Originally Posted by adaptorman View Post
      dont laugh , but its the best boost powerd turbo ive ever used , insane





      Wa wa we wa, very nice, I like!!!

    33. Member Dave926's Avatar
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      10-31-2010 11:26 PM #278
      Quote Originally Posted by adaptorman View Post
      19lb erm there are a bit small , check which one u have fitted , or useing a riseing rate fuel reg , i have one kicking around in the garage ,u will find by removeing the vacum pipe ull have a solid 3bar , orpiped in around 2.5bar on idiol , if thats what u have fitted , bang a bigger one in ,, cheeper option ,,

      I have the bigger injectors just never installed them. I'm using digifant 1 on my car that I'm tuning myself, and since I've never tuned efi I figured starting with the stock injectors would be better, then install the 450cc injectors.

      I was going to install them today but discovered my new/used/recently rebuilt alternator is junk, so tuning a car with crappy voltage is a bad idea.

      Adaptorman do you have to re torque the head with a spacer after a few heat cycles?

    34. 11-01-2010 03:10 PM #279
      hi dave whether its useing a spacer or not , i always re torque mine when engines up to tempture , i have a few pics of my holset hx35/40 upgrade too guys so ill add them in a bit
      Last edited by adaptorman; 11-01-2010 at 04:46 PM.

    35. 11-01-2010 06:17 PM #280
      pics of my 12cm hx35 converted hx40 coldside
      first remove hx35 houseing and compressor wheel

      pic of both hx35/hx40 compressor houseings and wheels

      then i slightly machinced inner lip so the hx40 compressor wheel will fit

      fits a treat


      heres a pic of a hx40 houseing with a hx35 compressor to show the size differce

      notice differnce the hx35 8 blade compressor wheel on the top of the7 blade hx40 , differnert angle of the finsyet suposely flow better

      just rewelded the head and strip clyinder head and re skim it ,
      Last edited by adaptorman; 11-01-2010 at 06:21 PM.

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