Holset Turbos, PART 8

[Strm Trpr]

Justin, I understand what you're saying about how the different turbines fit into the housings.
It's not only a matter of machining diameters in the housing to accept the larger Holset CHRA, but it's also a matter of how deep the turbine wheel sits in the housing axially.

Will this have an effect on how the exhaust gases/pulses smack the turbine wheel?

Doesn't the HX35 Turbine Wheel have an Inducer of 70mm and an Exducer of 60mm?

Is the 30R turbine wheel a 84 trim with an inducer of ~60mm and an exducer of ~55mm?

If so, then the 84 trim 35R turbine wheel has an inducer of ~68mm and an exducer of ~62mm. <--- That's too large for the HX35 turbine exducer.

So in order for me to truly reverse engineer the use of a Garrett T3 housing from a 30R I'll need a CHRA and T3 housing to take measurements from.

Or, drawings are just as good!

 

[tsiboostin]

Spent the afternoon taking off the 16g and started to test fit this thing. I had to dent the water pipe a little bit but everything should be good. I'm waiting on my drain set up to arrive and a coupler and then it should be up and running shortly. Here's a pic of the test fit. (don't mind the dirty bay) Also a picture of my custom drain fittings I had made by a buddy who owns a machine shop. The turbo fitting is aluminum and the oil pan is steel. The ID is 13/16" which is ~20.5mm. I don't think I will have any problem with my oil drain being adequate. If anyone is interested in these please PM me.

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[joyfil2001]

Spent the afternoon taking off the 16g and started to test fit this thing. I had to dent the water pipe a little bit but everything should be good. I'm waiting on my drain set up to arrive and a coupler and then it should be up and running shortly. Here's a pic of the test fit. (don't mind the dirty bay) Also a picture of my custom drain fittings I had made by a buddy who owns a machine shop. The turbo fitting is aluminum and the oil pan is steel. The ID is 13/16" which is ~20.5mm. I don't think I will have any problem with my oil drain being adequate. If anyone is interested in these please PM me.

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How on earth are you running a stock fan with a wastegate on the O2?

 

[jjrock5]

Yea the MVS definitely does wonders. I have one on my 2g with stock fans and it barely fits. His looks like he even has more space than mine.

 

[tsiboostin]

Yeah the new MVS Tial design is great its much shorter and give plenty of room. This is also the new design that has water ports to help keep it cool. I haven't decided if I'm going to use them yet as they are not needed but still pretty cool.

 

[joyfil2001]

So far I don't need to add another fan to my set-up. I am running only the A/C fan as the main fan, and nothing else. I'm even able to run A/C if I have too.

Yeah the new MVS Tial design is great its much shorter and give plenty of room. This is also the new design that has water ports to help keep it cool. I haven't decided if I'm going to use them yet as they are not needed but still pretty cool.

Does anyone know the height difference between a regular 38mm and the MSV?

 

[jjrock5]

I'm going to go ahead and say about 1 inch, if that.

 

[El Cuervo]

tsiboostin. That looks great!!! What are you planning to do with your water line for your oil filter housing? Please post some update pics as I am very interested to see how you go about with your oil return line.

 

[Pirrofab]

Any update on the fittings and were they can all be purchased at? Im hoping I can get these locally wether it be hardware store or the local autoparts store on the shelf. These fittings are basically holding me up from getting the car together. I dont really want to wait for stuff to get shipped in if I can help it

As of 5:37pm- I said the heck with it. I was ordering more parts for the car and just decided while I had the parts guys on the phone i'd have them locate all the fittings and ship them way. My car just might be running in time for my birthday on friday!!! Party at my place!!!

 

[nfernotalon]

Tsiboostin I would also like to see some pics of your oil return setup. Might get a set of the fittings from you too. Thanks.

 

[Pirrofab]

Just out of curiousity what kind of silicone coupler is recommended for the turbo outlet to the intercooler pipe. I know some guys are using the v band clamp but i have it ground off so I can either have an aluminum pipe tigged onto the compressor cover but I would prefer a silicone coupler.

 

[tsiboostin]

tsiboostin. That looks great!!! What are you planning to do with your water line for your oil filter housing? Please post some update pics as I am very interested to see how you go about with your oil return line.

I have a 90' so I just have one line that comes out of the water pipe. I took the old line to the hardware store and found a plug that will thread in there. The other line comes from the thermo housing and I'm not sure what I'm going to do there but I might use it as a line for the wastegate cooler port thing. I'll keep updating with pics as I progress.

Tsiboostin I would also like to see some pics of your oil return setup. Might get a set of the fittings from you too. Thanks.

Yeah just let me know if you would like some and I'll get some made. I'll post up pictures when its all done. I ordered a foot of -16an proclassic hose for the return. It will just slid over the fittings and I'll prob. use clamps on it even though he put a lip on them. I may also go over to Napa and pick up one of those things you can slip over hoses to give them a particular shape to make sure it doesn't flex at all. They kind of look like little springs.

 

[jjrock5]

Just out of curiousity what kind of silicone coupler is recommended for the turbo outlet to the intercooler pipe. I know some guys are using the v band clamp but i have it ground off so I can either have an aluminum pipe tigged onto the compressor cover but I would prefer a silicone coupler.

I used a simple 4 ply silicone coupler that came with my Punishment Racing FMIC. It's a 2.5 inch by the way for the HX35 but I think it's the same for the HX40.

 

[El Cuervo]

tsiboostin. Where did you get those fittings? They look nice!

 

[nfernotalon]

I switched feeding the turbo from the head to the ofh and still no boost. Tried running it off the spring and with a mbc and nothing. All of my intercooler pipes are tight. I also put on a GM mas and translator at the same time of the turbo could that have anything to do with it I don't see how.

 

[tsiboostin]

tsiboostin. Where did you get those fittings? They look nice!

I had them made. Pm for more info if you'd like


So I found out the -16an proclassic hose I ordered is on back order now. Summit racing has some but the only sell it in 3ft increments, which is more than I need and expensive. What do you guys suggest I use? I had seen some people using heater hose, I may go this route until I can get some proclassic hose. Looking for something close to 1" ID.

 

[Weapon-X]

If you have access to a Fastenal supply center in your area, you can get oil resistant hose through them in the size you need.

They have a HUGE catalog of items. Good stuff man.

Home | Fastenal

 

[tsiboostin]

If you have access to a Fastenal supply center in your area, you can get oil resistant hose through them in the size you need.

They have a HUGE catalog of items. Good stuff man.

Home | Fastenal

Thanks for the suggestion! There is one here where I'm at and in fact a guy I work with used to work for them. I'll go over and talk with them. I have hear hydrolic hose is good to use.

 

[nfernotalon]

Tsiboostin I've been tryin to PM you about the fittings but my phone won't let me. If you pm me first I can pm you back though.

 

[joyfil2001]

I switched feeding the turbo from the head to the ofh and still no boost. Tried running it off the spring and with a mbc and nothing. All of my intercooler pipes are tight. I also put on a GM mas and translator at the same time of the turbo could that have anything to do with it I don't see how.

Did you run a boost leak test yet? Is your wastegate functioning properly?

 

[nfernotalon]

Did you run a boost leak test yet? Is your wastegate functioning properly?

the one time it did boost it held 12psi solid so I don't think its the wastegate and haven't cheched for boost leaks yet I have to make a new one for that turbo.

 

[joyfil2001]

the one time it did boost it held 12psi solid so I don't think its the wastegate and haven't cheched for boost leaks yet I have to make a new one for that turbo.

I have a HUGE leak right now coming from the compressor cover, yet I can build 30psi on the boost leak test! If you haven't boost leak tested this setup, do it. You need to rule that out before you can move on to the next thing, which may be a malfunctioning boost controller.

 

[nfernotalon]

I have a HUGE leak right now coming from the compressor cover, yet I can build 30psi on the boost leak test! If you haven't boost leak tested this setup, do it. You need to rule that out before you can move on to the next thing, which may be a malfunctioning boost controller.

Yes you are right ill head to the hardware store after work and make a blt. Even if I did have a boost leak you'd think I'd be able to build up some boost anyway. I get 0 psi through every gear all the way to redline.

 

[jrohner]

I've had the most massive boost leaks ever and still boosted just fine. Sounds like an issue on the exhaust side -- leak before the turbo or wastegate issue.

 

[nfernotalon]

I will take off the manifold and turbo today see what's going on.