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    Thread: Holset user thread

    1. Forum Sponsor Quintin@USRT's Avatar
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      06-15-2010 12:22 PM #51
      CORRECTION: positive pressure by 2400...5psi by 3200...10psi by 3800...20psi by 4400 (8v with ramhorn and 1.8t BT file)

    2. Member Dave926's Avatar
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      06-15-2010 04:50 PM #52
      That's a fast spool...like really fast. Makes me wonder about my hx30. Just by going your data I should spool a bit faster since mine is smaller and its on a 16v.

    3. Forum Sponsor Quintin@USRT's Avatar
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      06-15-2010 05:18 PM #53
      Quote Originally Posted by Dave926 View Post
      That's a fast spool...like really fast. Makes me wonder about my hx30. Just by going your data I should spool a bit faster since mine is smaller and its on a 16v.





      Last edited by Quintin@USRT; 06-15-2010 at 06:39 PM.

    4. Member Dave926's Avatar
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      06-16-2010 12:03 PM #54
      That's just amazing. Can you elaborate some more on the speca of your motor, such as the bottom end, cam, headwork etc. Please let us know the oil feed and drain setup as well

    5. Forum Sponsor Quintin@USRT's Avatar
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      06-16-2010 12:12 PM #55
      2008cc 8v 8.5:1 compression, TT266 cam, ramhorn manifold (undivided) i gasket matched and knife-edged the divider of the turbine inlet as a result, 3" DP....

      here's a lil fun run to show...still at 11~12psi






      this trans REALLY hates high rpms


    6. Member bigtoy302's Avatar
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      06-16-2010 11:13 PM #57
      I ran a HY35 on my 1.8t in my Corrado. It put down 342HP at 21PSI. Full boost was at 4800RPM. I later changed to a HX35 later and lost about 100rpm spool but did not notice much on the top end. I never had a chance to re dyno it. I did somehow manage to loose 5MPG going from the HY to the HX.





      I have since parted out the car and used the HX35 on my 4runner
      Last edited by bigtoy302; 06-16-2010 at 11:17 PM.

    7. Forum Sponsor Quintin@USRT's Avatar
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      06-16-2010 11:16 PM #58
      ok tried out 16psi...wow...substantial difference...i think i'm happy here for now

    8. Member acee_dub's Avatar
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      06-17-2010 12:00 AM #59
      Quote Originally Posted by bigtoy302 View Post
      I ran a HY35 on my 1.8t in my Corrado. It put down 342HP at 21PSI. Full boost was at 4800RPM. I later changed to a HX35 later and lost about 100rpm spool but did not notice much on the top end. I never had a chance to re dyno it. I did somehow manage to loose 5MPG going from the HY to the HX.





      I have since parted out the car and used the HX35 on my 4runner
      Did you run a scroll manifold or no scroll?

      Contemplating whether I should get scrolled or open scrolled for my VR6 as I've heard spooling at low rpm is rough on the o2a's which aren't the strongest of transmissions.

    9. Member bigtoy302's Avatar
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      06-17-2010 12:16 AM #60
      Quote Originally Posted by acee_dub View Post
      Did you run a scroll manifold or no scroll?

      Contemplating whether I should get scrolled or open scrolled for my VR6 as I've heard spooling at low rpm is rough on the o2a's which aren't the strongest of transmissions.
      Open. On my 2JZ I did a twin scroll and get 15PSI at 2900RPM. On a VR6 I think you would benefit from a twin scroll on the HX. The HY is open.

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      06-20-2010 02:11 PM #61
      Anyone out there running a hx35 on a 1.8t? thinking a bored 2.0 twin scroll hx35 might be a nice kit to build

    11. Member bigtoy302's Avatar
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      06-21-2010 11:02 PM #62
      I ran both hy and hx on my 1.8t. I liked the hy better for street driving.

    12. Member Boost112's Avatar
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      06-22-2010 10:49 AM #63
      anybody with experience of a hx40 on a 12v?
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    13. Member ricky_vwt's Avatar
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      06-22-2010 04:39 PM #64
      Quote Originally Posted by bigtoy302 View Post
      I ran a HY35 on my 1.8t in my Corrado. It put down 342HP at 21PSI. Full boost was at 4800RPM. I later changed to a HX35 later and lost about 100rpm spool but did not notice much on the top end. I never had a chance to re dyno it. I did somehow manage to loose 5MPG going from the HY to the HX.





      I have since parted out the car and used the HX35 on my 4runner

      Which engine code was as that? Stock internals?
      Last edited by ricky_vwt; 06-22-2010 at 04:42 PM.

    14. Member bigtoy302's Avatar
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      06-23-2010 11:10 PM #65
      Quote Originally Posted by ricky_vwt View Post
      Which engine code was as that? Stock internals?
      AEB. Ported and polished head, Supertech exhaust valves, Wiseco .5mm over pistons, Scat rods. Megasquirt 2 management.

    15. Member Dave926's Avatar
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      06-24-2010 12:36 PM #66
      That high of a spool seems weird. Quintin has a pretty fast spool with an 8v

    16. Forum Sponsor Quintin@USRT's Avatar
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      06-29-2010 02:25 AM #67






      by 4500...

    17. Member Dave926's Avatar
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      07-08-2010 02:53 PM #68
      Bumping bc I know there are more people using holsets

    18. Member Daskoupe's Avatar
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      07-09-2010 12:11 AM #69
      I'll be a user by maybe tomorrow or the end of next week


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    19. Member Dave926's Avatar
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      07-24-2010 01:01 PM #70
      keep this going...where is hyperformancevw? I know he was running 12 flat in a mk2 running a holset of some variety

    20. Member ricky_vwt's Avatar
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      07-26-2010 03:12 PM #71

    21. Member Dave926's Avatar
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      07-26-2010 09:54 PM #72
      I would have already put on a vgt if it wasnt for a such a space issue. the only way i see that happening is a top mount and some kind of short runner on my car.

      For all the garrett snobs out there, the wheel size on my hx30 is between a 2871 and a 2876.

    22. Member ricky_vwt's Avatar
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      07-27-2010 04:03 PM #73
      Quote Originally Posted by Dave926 View Post
      I would have already put on a vgt if it wasnt for a such a space issue. the only way i see that happening is a top mount and some kind of short runner on my car.

      For all the garrett snobs out there, the wheel size on my hx30 is between a 2871 and a 2876.
      yeahh that is a nice setup but hard to find hx30, where did you got it?

    23. Member Dave926's Avatar
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      07-27-2010 11:19 PM #74
      Ebay, freshly rebuilt for 250 bucks. Came with the high pressure holset actuator for some shenanigans later on.

      Not a c-hair of shaft play either. They are tough to find, I know they were used on Case tractors, and I think the 4bt cummins from the frito lay trucks. Mine also has an anti-surge housing as well.

    24. Member ricky_vwt's Avatar
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      07-29-2010 06:04 PM #75
      Quote Originally Posted by Dave926 View Post
      Ebay, freshly rebuilt for 250 bucks. Came with the high pressure holset actuator for some shenanigans later on.

      Not a c-hair of shaft play either. They are tough to find, I know they were used on Case tractors, and I think the 4bt cummins from the frito lay trucks. Mine also has an anti-surge housing as well.
      is that dayly driven vehicle,how is the low down torque and how quick does is pickup when downshifting,like when you try to pass a semi on the highway?

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