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    Thread: check out this compressor map and tell me what you think

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      08-15-2008 06:43 PM #26
      Yeah. My eye started to rust too! No kidding. The doctor had to polish my cornia b/c of the rust. So, I gues I ended up getting myself ported and polished!


      Modified by mainstayinc at 4:30 PM 12-12-2008
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

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    3. 08-15-2008 06:46 PM #27
      looks as if the most either of those will flow to redline is 15psi
      not much B in that BT if you ask me

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      08-15-2008 06:49 PM #28
      Hey Nola. I forgot to mention that I also gasket matched my ATP clone mani to the T31 turbine housing. Check this out.

      I bet you haven't seen such a nice outlet on an ATP mani before. The stock outlet had a weird shape to it, so I had to take the die grinder and some carbide bits to open it up a bit.
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

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    6. Banned 20aeman's Avatar
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      08-15-2008 07:01 PM #29
      Quote, originally posted by 50trim S »
      looks as if the most either of those will flow to redline is 15psi
      not much B in that BT if you ask me

      Yeah, they aren't the greatest big turbos, but they are most definitely the cheapest GT ball bearings you can buy.
      The 2560r is 750 bucks, the 2860r is 850. Only reason I'm stuck with the 2860R is that the turbine blade is the appropriate diameter for my atp eliminator housing..otherwise, I would have used the 2560r.

      Mainstay thanks for the mapping buddy, could you do just one more for me please?
      2860R-5...same price, different map:

    7. 08-15-2008 07:04 PM #30
      i think that one looks the best to me BY FAR
      im more interested in something bigget hence the holset that flows 63lbs/min and can be had for 300 bux slightly used

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      08-15-2008 07:15 PM #31
      Here is the comparison betw. the Holset and the GT35R. Conclusion: the GT35R has a little better spoolup between 12 and 19 psi. Otherwise, the Holset is better than the GT35R in all other categories.



      Modified by mainstayinc at 4:00 PM 8-18-2008
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

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      08-15-2008 07:20 PM #32
      Quote, originally posted by 20aeman »
      Mainstay thanks for the mapping buddy, could you do just one more for me please?
      2860R-5...same price, different map:

      Sure. I'm working on your map as we speak.


      Modified by mainstayinc at 4:27 PM 8-15-2008
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

    10. 08-15-2008 07:23 PM #33
      i really want to see how that holset does on a 1.8t
      i may have to find out
      so according to this map it should make 12-15psi by 4000rpms?


      Modified by 50trim S at 4:25 PM 8-15-2008

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      08-15-2008 07:34 PM #34
      Quote, originally posted by 50trim S »
      so according to this map it should make 12-15psi by 4000rpms?

      It's hard to tell b/c the surge line (left side of map) is so steep. Since the Holset spools up around 4000 RPMs (at least according to calculations), you are going from no boost to max. boost within a few hundred RPMs. So, you could be making say 6 psi of boost at 3900 RPMs to 30+ by 4200 RPMs. It's hard to predict from the maps exactly how your car will respond to the turbo.
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

    12. 08-15-2008 07:41 PM #35
      vewy intewesting.
      Someone needs to try this out. What's the hotside bolt pattern?
      When I go BT I don't plan on doing rods, so it's either a small t3S60 with broad power, or a big turbo like the holset to make more HP, while keeping rod breaking torque down.
      ░░░░░░ .. R13 5
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      08-15-2008 08:06 PM #36
      Quote, originally posted by 20aeman »
      Mainstay thanks for the mapping buddy, could you do just one more for me please?
      2860R-5...same price, different map:

      Here's the map for the GT2860R-5.



      Modified by mainstayinc at 7:49 AM 8-18-2008
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

    14. 08-15-2008 08:09 PM #37
      Quote, originally posted by -Khaos- »
      vewy intewesting.
      Someone needs to try this out. What's the hotside bolt pattern?
      When I go BT I don't plan on doing rods, so it's either a small t3S60 with broad power, or a big turbo like the holset to make more HP, while keeping rod breaking torque down.

      i'm almost certain its a .65 ar t3..... its either .55 or .65 but T3 for certain
      its an upgraded version of a hx35 I THINK
      heres the dyno with a hy35 which is quite a bit smaller and has a 9cm hotside which equals around .55ar I THINK this is at 22psi and the motor has an aeb head and custom IM and this is on pump gas91-93oct. and is on standalone since its in a corrado

      someone ask passat g60 or one of the other turbo sellers on here and see the price and specs on the he351cw [IMG]http://*****************.com/smile/emthup.gif[/IMG]


      Modified by 50trim S at 5:19 PM 8-15-2008

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      08-15-2008 08:20 PM #38
      Quote, originally posted by 50trim S »
      yeah im really interested in this after i saw how the hy35 did in one dyno on here as it made like 350 whp at 22psi and looked ALOT like a .63 50 trim

      Bore and stroke it out to 2.1L (83mm x 95.5mm) and you'll have a much better setup with the Holset IMHO. Boost comes on at 3400 RPMs and is good to about 8500 RPMs.


      Modified by mainstayinc at 1:39 PM 8-18-2008
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

    16. 08-15-2008 08:41 PM #39
      oh im sure
      but you can rev a stock head to 7500-8000 rpms without problems if its still making power
      just think it would be a great cheap 35r alternative [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    17. 08-15-2008 08:49 PM #40
      got a request, HX35 with a 2.0 and if possible, hx40 with 2.0 and 8k rpms

    18. 08-15-2008 08:57 PM #41
      Quote, originally posted by cincyTT »
      got a request, HX35 with a 2.0 and if possible, hx40 with 2.0 and 8k rpms

      i think the he351 would be better than the hx35 if its newest of the holsets of that size [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    19. 08-15-2008 09:10 PM #42
      The reason for the hx35 is that they can be had and rebuilt for cheap, not to mention can be upgraded to a hx35/40 for under $300 (changes compressor wheel and housing) if i choose down the road

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      08-17-2008 08:24 AM #43
      Quote, originally posted by mainstayinc »
      Here's the map for the GT2860R-5.

      Thanks for the map mainstay. So what the hell would happen at 2k rpm if I had the boost controller set to 20psi? Compressor surge? Or just no boost at all?

    21. 08-17-2008 09:11 AM #44
      Quote, originally posted by mainstayinc »

      Possible to get that redone? If so, with the following motor specs:
      82.5mm bore x 92.8mm stroke
      8500 red line

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      08-18-2008 10:25 AM #45
      Quote, originally posted by Boostin20v »
      Possible to get that redone? If so, with the following motor specs:
      82.5mm bore x 92.8mm stroke
      8500 red line

      Here is the map you requested with the motor bored out to 82.5mm and stroked to 92.8mm and rev. limiter raised to 9000 RPMs. The GT35R is matched much better to this setup, as you can see boost coming on at around 3000 RPMs and can hold to over 9000 RPMs. Peak efficiency ranges from 5000 RPMs TO 6800 RPMs depending on the boost level. This turbo is a good choice, IMO for 2.0L and larger setups with rev. limiter raised to 7200 RPMs or above.
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

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      08-18-2008 10:27 AM #46
      Quote, originally posted by cincyTT »
      got a request, HX35 with a 2.0 and if possible, hx40 with 2.0 and 8k rpms

      CincyTT, let me look into that and I'll see what I can do. I will have to find a compressor map first. Anyone have one for the HX35 or HX40?
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

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      08-18-2008 10:47 AM #47
      Quote, originally posted by -Khaos- »
      Edit, here's a website, they have a few 3K-B maps...
      http://www.not2fast.com/turbo/maps/

      Thanks for the link. I didn't see your edit on Friday when I posted the K03 and K04-20 maps.
      I am still looking for maps for the Holset HX35 and HX40. Anybody? The Holset website has them, but denies access to them(see below).
      http://www.holset.co.uk/files/...s.php
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

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      08-18-2008 11:06 AM #48
      Quote, originally posted by 20aeman »
      So what the hell would happen at 2k rpm if I had the boost controller set to 20psi? Compressor surge? Or just no boost at all?

      Well, accoriding to the map, you would be to the left of the compressor surge line at 2000 RPMs producing little to no boost. The maximum airflow that this turbo can produce at 2000 RPMs is about 8.1 lbs. or about 81 hp. However, the compressor would barely be spinning at that point. Above 2100 RPMs, however, the turbo would begin to spool up rather quickly to a about 19 psi or about 14.5 lbs. of air per minute or about 145 hp. You can comfortably push this turbo well beyond that point all the way up to about 365 hp with a maximum boost level of 31.3 psi.


      Modified by mainstayinc at 8:30 AM 8-18-2008
      The Bible Teaches That Few are Saved. Why Hell Must Be Eternal. Scientific Evidence for God. "The perverse are hard to be corrected, and the number of fools is infinite." (Ecclesiastes 1:15).

    26. 08-18-2008 11:13 AM #49
      Quote, originally posted by 50trim S »
      its the red one of a Holset HE351CW it has .65AR and can be found off a 5.9l cummings diesel and can be bought for around 300$

      so for the money im thinking about trying one out, plus i think i can get one of these MYSELF for prolly 100 bux
      how do you guys think the spool and power would be?
      from my math this turbo flows roughly a max of 57 lb/min so its in between a 3076 and a 35r
      that has really peaked my interest since i figured that out

      Modified by 50trim S at 5:24 PM 8-13-2008

      " OK I didn't make this, somebody on a DSM forum did, but this is the info he gave, apparently they're speaking about model years for the dodge cummins engines they came on.
      Blue line is boost pressure at 20 psi (pressure ratio calculated from that), with cfm plotted from 500 to 8000 rpm. Pre-2003 HX-35 in Green. 2003 - 2004.5 HY-35 in Black. 2004.5 - Present HY-35 in Red. This is for 2.0L of displacment. " from homemadeturbo So im looking for the green one vs how it compares to the red plot. If you can compare the 2 with the specs above would be great

    27. 08-18-2008 11:19 AM #50
      this link has 3 varients of the hx40 http://www.3si.org/forum/f35/h...97213/

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