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Holset Turbos

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I have chimed in a time or two. I have had an HX-35 for a little over a year now and LOVE it!!. I ran a 7.68 in the 1/8th on pump gas. I get over 20 psi of boost under 4k. I have not got it to the dyno yet. What else do you need to know. Ask away...


Nick
 
IPT said:
I have chimed in a time or two. I have had an HX-35 for a little over a year now and LOVE it!!. I ran a 7.68 in the 1/8th on pump gas. I get over 20 psi of boost under 4k. I have not got it to the dyno yet. What else do you need to know. Ask away...


Nick
What kind of mph were you running when you went 7.68? What all mods do you have?
 
Look, if you are so insecure about the HX-35 maybe you shouldnt be modding your car, try it for yourself, trust me, they are awesome and for the price you cant beat em. I just got mine on my car and it hits full boost (22 psi) at like 3900 rpms. Slightly laggier than my friends 20g.
 
1029TSG said:
Bolt on Holset HX-35/40 hybrids are now available. Get the spool up of a 35 with the power of a 40. This hybrid uses a Holset HX-35 turbine wheel and an HX-40 compressor wheel. These are only available in limited quantites. Please contact me directly for your $50 DSMtuner discount.

What is the physical change going from the 35 to the 40? Specifics? Got a pic for reference?

Here's a thought..... how about a HX-30 turbine with the HX-40? Quicker spool yet?

What do you know about the H2 series turbos?
 
Attention 16g owners who want to upgrade!!!!!!!!!!!

--------------------------------------------------------------------------------

If you are still on the fence and you missed The Speed Factor promotion, maybe this will help. We are now offering trade in's towards any of our T04B, T04E or Holset turbochargers. Trade in your "working" 16g, Big 16g or EVOIII 16g and receive the following discount off the purchase of any of our complete turbos.

Small 16g - $150 off
Big 16g - $175 off
EVOIII 16g - $200 off

Your trade in must be a "working" turbo, spins freely with no blade damage. Cracked turbine housings are acceptable, we know they crack. Please contact me directly to take advantage of this special. Sorry, no 14b's or T-25's. For our full selection please Click Here
 
Morphius said:
What is the physical change going from the 35 to the 40? Specifics? Got a pic for reference?

Here's a thought..... how about a HX-30 turbine with the HX-40? Quicker spool yet?

What do you know about the H2 series turbos?

H2 series are WAYYY too big, its only been said 200 times in this thread.

HX-35 = 55-60 lb/min
Hx-40 = 70 lb/min

The HX-40 is significantly larger. Similar to an FP3065.
 
1029TSG said:
Attention 16g owners who want to upgrade!!!!!!!!!!!

--------------------------------------------------------------------------------

If you are still on the fence and you missed The Speed Factor promotion, maybe this will help. We are now offering trade in's towards any of our T04B, T04E or Holset turbochargers. Trade in your "working" 16g, Big 16g or EVOIII 16g and receive the following discount off the purchase of any of our complete turbos.

Small 16g - $150 off
Big 16g - $175 off
EVOIII 16g - $200 off

Your trade in must be a "working" turbo, spins freely with no blade damage. Cracked turbine housings are acceptable, we know they crack. Please contact me directly to take advantage of this special. Sorry, no 14b's or T-25's. For our full selection please Click Here

Whats the point of that when i can sell my Big/Evo 16g for $350+ and then buy one of your turbos? Saving me even more, all your doing by having this promo is making even more money, because you can then resell those 16gs for more than the discount you gave. Id consider it if it was 16g cores blown or not.
 
Actually, we scoured through eBay and only found completed transactions for 2-300 dollars for all type of used 16g's. How can you sell a used one for 350+ when brand new ones run around 500? We would have to rebuild them to even be able retail it with a warranty. I believe we are being more than fair considering we are accepting practically any working turbo. I encourage everyone to sell their turbo on their own if they can get more money for it.
 
Thats great money!!!!!

This was simply an offer, if there's more money to be had please have it. If $3-400 is the going rate then you can upgrade to an HX-35 for less that $5-600 bucks. The T04B is also an option at about half the cost.
 
Exactly, i can sell my 16g and buy a holset h1c and save money.
Or i could buy a Hx35 and itll cost me ~$100. Holsets are the best deal IMHO. I dont have any experience with the internal gate, however. I run a tial 38mm.
 
I agree.

Internal or External, whats the difference as long as it large enough. Who's able to source these H1C's? I think most of you are having trouble finding the cartridges, right?
 
1029TSG said:
I agree.

Internal or External, whats the difference as long as it large enough. Who's able to source these H1C's? I think most of you are having trouble finding the cartridges, right?


You can get good condition H1cs for under $100 on ebay, brand new ones for under $300.
 
Has anyone measured the turbine wheel to be sure its the same dimensions as the HX-35?
 
No, but I have spoken with a cummins diesel mechanic who verified that they are identical except for the housings.
 
The HX-35 exducer diameter, the most important, should be 2.31". Any smaller and it will likely lag or not spool at all. Any larger and it will damage the wheel and housing.
 
1029TSG said:
I agree.

Internal or External, whats the difference as long as it large enough. Who's able to source these H1C's? I think most of you are having trouble finding the cartridges, right?
I know of a turbocharger core company that has more than 20 H1C cores available for sale. Finding the cartridges is Not the problem at all, it's decoding the assembly number as to tell the size of the turbine. The H1C has either a 60mm or 57m turbine. If I can get the company to respond to my emails with measurements, then they will sell these H1C's at core cost (super cheap). I do not know where they get their cores, but they have a ready supply of them.. I won't have enough money to buy them out, maybe that could open the door for the bullseys H1C?

The physical differences between the hx35/H1C and the HX40/H1E are a bigger turbine shaft/wheel, bigger compressor wheel, and bigger compressor housing.. that's it.. The one cool thing, though, is SOME H1E's use the same size turbine wheel as the hx35/h1E, only the compressor is 2mm smaller than the normal HX40 compressor. Some model H1E's are essentially a hx35/hx40 hybrid....

Bullseye's hybrids are the same thing that High Tech Turbo (www.htturbo.com) does.. they just take a HX35 turbine shaft and slap on a HX40 compressor wheel and housing..
 
TurboGeoff said:
H2 series are WAYYY too big, its only been said 200 times in this thread.

HX-35 = 55-60 lb/min
Hx-40 = 70 lb/min

The HX-40 is significantly larger. Similar to an FP3065.

1. Really? I've read that, but I don't buy it. What proof? Now if you said, the turbine is too large, then that's potentially a reason.
2. Parts for a hybrid? Possibly.
3. or parts for another project a year down the road? Likely.



Defrag010 said:
The physical differences between the hx35/H1C and the HX40/H1E are a bigger turbine shaft/wheel, bigger compressor wheel, and bigger compressor housing.. that's it.. The one cool thing, though, is SOME H1E's use the same size turbine wheel as the hx35/h1E, only the compressor is 2mm smaller than the normal HX40 compressor. Some model H1E's are essentially a hx35/hx40 hybrid....

As stated above in the first quote, for XXXX time, we all know the flow rate of the HX35/40. Does anyone know the inducer/exducer for both the compressor and turbine (for the 35 and 40)? And accordingly, I think we all can logically deduce that the H2 series is larger, but what are specs for it? Again, inducer/exducer for both the compressor and turbine?
 
I didn't say anything about flowrate.. I was making Physical comparison on the hx35/hx40 hybrids because someone earlier asked for physical differences between the turbos..

Why don't you take the initiative and go to www.htturbo.com (which I've said quite a few times in the thread) and email them with your questions.

I posted a compressor map for a H2E in one of the other threads.. I can't copy/paste right now, otherwise I'd post it here..
 
defrag010 said:
I didn't say anything about flowrate.. I was making Physical comparison on the hx35/hx40 hybrids because someone earlier asked for physical differences between the turbos..

My statement 'for XXXX time'..... was not in regards to what you said. The first post quoted in my post.

defrag010 said:
Why don't you take the initiative and go to www.htturbo.com (which I've said quite a few times in the thread) and email them with your questions.

Already have several times with other buisnesses.

defrag010 said:
I posted a compressor map for a H2E in one of the other threads.. I can't copy/paste right now, otherwise I'd post it here..

I saw it.


My ultimate point was, we are now finding that the H1E's can vary from the equivilent of a Hx-35 to a full blown HX-40. Could some overlap be posssible with the H2 series? Afterall, the H2A is classified with the H1 series. At lease listed with serivce information. Thus my questions on.... Does anyone have any real information on the H2 series. They could be useable.
 
Did you get any responses from the businesses you emailed? That's the problem I've been having is the businesses will respond to my emails until I start throwing around assembly numbers. The dealers have a book right in front of their face that have the specs for the turbos on them, but most don't bother unless you pay them some money or something.
Even when I try and call around to turbo shops/companies, The sales person always tries to convince me into things like "you don't need that turbo", or "just buy a rebuilt hx35".. Out of all the people I've called, not one has given me any specs, and all reply with "why do you need to know?" and "that won't work". I even went as far as to get the complete list of holset dealers in new zealand, australia, and the US and sent them each an email which meticulously describes the specs we are all in need of.

I don't know about the H2A turbo. Logic would state that it is a step above the HX40, only using the same turbine. I know the H2A has a different compressor housing which doesn't have the map grooves, and you can see how much it affects the compressor map. I have a friend with a Turbodieselregister.com account, and after lurking around there a little bit, I've seen people mention the H2E as blowing out like 1100 cfm. No mention of the A, though. The H2A is probably classified with the H1's because it more than likely shares the same turbine as the H1 series, only with the H2 compressor housing and wheel. Maybe its specs are that of a Hx40 style that will blow the hx40 out of the water. One can only hope and guess. Taking a look at turbomaster.info specs for the h2a, I see alot of Kirloskar, Perkins, Baudoin, and Volvo origins. There are only a few cummins assembly numbers, so it leads me to belive that the h2a is more or less a turbo that didn't get shipped across to the states for use on our machinery.

Either way, I'm still waiting on word about which H1E numbers correspond to which size shaft. The moment I get confirmation, I'm placing my bullseye turbine housing order.
 
I'll post up my turbine wheel size and assembly # on my H1E. It's been in my garage for a week now just wating for some time to take the turbine houseing off. I might while I'm at it also take the compressor housing's off the HX-35 and H1E and post up the specs of the compressor wheels as well... At least the enducer/extruder which I think is what you guys are also wanting to know.
 
cool. what is the assembly number for your H1E? I'll be anxiously waiting on the turbine differences between the h1E and hx35.
 
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