Need help choosing a turbine housing

[Dave]

http://www.atpturbo.com/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=tp&Category_Code=HSG

I'm looking at these turbine housings but I need help. I'm not sure which housing will bolt up to my T3/T04e 50 trim. I'm assuming anything that says T25 or T04 is out because I think I have a T3 center section. :confused: Not real sure how to read this.

There's 2 reasons I want to go with a different housing.
1-I want a T3 flange for more housing choices.
2-I want a larger housing without upgrading the entire turbo assy.

Our setup is becoming more and more efficient and flows more air so I will need a turbine that is capable of less restriction to compliment our increase in VE (I'm talking about 5 litres of intake manifold volume and a sexy forward mount tubular header). :eyebrows:

[tryingbe]

2-I want a larger housing without upgrading the entire turbo assy.

That does not make any sense. You can change turbine housing all you want, so long it matches the turbine wheel you're using.

What stage turbine wheel do you have? How much power are you looking to make?

[cordes]

That does not make any sense. You can change turbine housing all you want, so long it matches the turbine wheel you're using.

What stage turbine wheel do you have? How much power are you looking to make?

I think he is looking to stay with the same stage wheel, but a larger A/R housing. Good luck spooling anything with that .82 housing on an 8v without some N20. :nod:

[Dave]

How does this not make sense? I want a larger turbine housing without upgrading anything else. Period. The engine's VE is going to be considerably higher than the way it is now. With that said I can decrease the amount of exaust restriction without sacrificing spool time.

I'm sure I'll be able to spool a .78 or even a .82 with the new setup. I haven't seen too many people running with custom made intakes/exhausts on big turbos. I'll try it, if it spools too slow well then no big deal, the turbo will be right up front.

Oh, and I'm using a stage 2 turbine wheel now.

[cordes]

I'm not aware of anyone that has larger than a .63 housing on their car. How much air are you planning to flow?

[tryingbe]

How does this not make sense?



There's 2 reasons I want to go with a different housing.
1-I want a T3 flange for more housing choices.
2-I want a larger housing without upgrading the entire turbo assy.


You gave two reasons for why you want a different turbine housing.

One is you want a standard T3 flange, which is a valid reason.

Second is you want a larger housing without upgrading the entire turbo. The second reason does not explain why you want a different turbine housing. Yes, it might be your goal for your turbo but it's not a reason for wanting to go to a different housing. Therefore the second reason does not make sense as a "reason".


I want a larger turbine housing without upgrading anything else. Period.

You can do that right now. Take the turbo out, unbolt the 6 bolts and bolt a bigger turbine housing on there. I repeat, you can bolt on any turbine housing you want without upgrading the entire turbo, so long the turbine housing match the turbine wheel and the housing match the family of turbo. There is no need to upgrade the turbo when you change turbine housing.


You still have not answer the the questions which will help you to select the correct turbine housing for your application.

What power are you looking for?
Are you wanting to run external wastegate system?

[moparzrule]

http://www.atpturbo.com/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=tp&Category_Code=HSG

I'm looking at these turbine housings but I need help. I'm not sure which housing will bolt up to my T3/T04e 50 trim. I'm assuming anything that says T25 or T04 is out because I think I have a T3 center section. :confused: Not real sure how to read this.



None of those housings will work for you.

You need to answer Tryingbe's question though. Are you wanting external wastegate? And how much power do you want?

With the stage 2 wheel in there I wouldn't use any more than a .63 housing on an 8 valve. The stage 2 .63 have been proven to make over 400 WHP with no issues.

http://turbosunleashed.com/shop/product_info.php?cPath=111_102&products_id=126

ATP is too expensive for their housings anyway, save $50 by ordering from TU.

What swingvalve are you planning to use if you are going with an internal gate? I'm running ATP's 3'' V band swingvalve, and it's really nice. No more of those darn rusted shut swingvalve to downpipe bolts!

[Ondonti]

going to a .82 will only take away a few hundred rpm spool. For the turbo I have, its supposedly a 300rpm increase and 30whp increase if you are making around 700whp (so the hp difference is much smaller @ lower power levels, but the RPM difference is still there!). That is using a P trim t4 wheel in a t31 housing (.63 a/f compared to .82 a/r).

But since nobody here has really tried the difference between a .63 and a .82 @ 300-400whp and a stage 2 wheel on an 8 valve, you might gain decent power with little spool loss, somewhere in the middle of both, or the opposite (spools slow and only makes a few more hp at the very top end).

As pointed out, none of those work for internal gating so your question is very hard to answer completely.

[Dave]

We're going with a Turbonetic's 38mm WG. The swingvalve will be no more, we're buying a 5 bolt to 3" V-band flange with a 3" all the way back. I would hope we can get over 450 WHP.

Chris, do you make any housings in a T3 flange? I see you have Chrysler and Ford, although I've never seen a Ford flange before.

Ondonti, so would it be reasonable to say I would sacrifice a few hundred RPM spool but gain some decent power up top with a .82 housing?

Also, the whole reason of this post was because I wasn't sure of any of the ATP Turbo turbine housings would fit my center section. I'm still confused on what style center section I have and what will or will not bolt up.

[Ondonti]

Or you might not really gain anything. You will only make gains if you are pushing the previous setup to its limits on the exhaust side. Especially since you are only talking about changing the exhaust side.

5 bolt flange wont help you if you buy a 4 bolt housing like most of those are.

ATP turbo is more of a turbo gadget place. If you want individual turbo parts, talk to someone who specializes i turbos like precision or a garret vendor or one of our vendors.

I dont think you should buy anything until you have more of an idea of what you are doing. I dont really know what center section you have but if its a standard t3 center section then any normal t3 housing should fit.

[turbovanman]

Ford housings using a 5 bolt SV and a T3 mounting flange, hence why some say Ford turbine housings.

[moparzrule]

We're going with a Turbonetic's 38mm WG. The swingvalve will be no more, we're buying a 5 bolt to 3" V-band flange with a 3" all the way back. I would hope we can get over 450 WHP.

Chris, do you make any housings in a T3 flange? I see you have Chrysler and Ford, although I've never seen a Ford flange before.

Ondonti, so would it be reasonable to say I would sacrifice a few hundred RPM spool but gain some decent power up top with a .82 housing?

Also, the whole reason of this post was because I wasn't sure of any of the ATP Turbo turbine housings would fit my center section. I'm still confused on what style center section I have and what will or will not bolt up.


Ford housings using a 5 bolt SV and a T3 mounting flange, hence why some say Ford turbine housings.



http://turbosunleashed.com/shop/product_info.php?cPath=111_102&products_id=126



The center section you have is T3. And the Ford housing is the one you want, standard T3 flange with 5 bolt outlet. Order it from TU with the link I posted up.

[Dave]

Or you might not really gain anything. You will only make gains if you are pushing the previous setup to its limits on the exhaust side. Especially since you are only talking about changing the exhaust side.

5 bolt flange wont help you if you buy a 4 bolt housing like most of those are.

ATP turbo is more of a turbo gadget place. If you want individual turbo parts, talk to someone who specializes i turbos like precision or a garret vendor or one of our vendors.

I dont think you should buy anything until you have more of an idea of what you are doing. I dont really know what center section you have but if its a standard t3 center section then any normal t3 housing should fit.

With whichever housing I go with I will want a v-band connecting the downpipe to the turbine.

[moparzrule]

Then you have 3 choices, 1st choice is for use with an internal gate and the second two you have to use an external gate. I know you said you were planning external, but just pointing out that you don't have to run an external gate to use the V band outlet.

1.Ford turbine housing with 5 bolts outlet, internally gated and use ATP's 3'' V band swingvalve- http://www.atpturbo.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=tp&Product_Code=ATP-WGT-023&Category_Code=BCS

2.Ford turbine housing with 5 bolt outlet, use the V band plate that blocks off the internal gate like this one-
http://cgi.ebay.com/ebaymotors/T3-T3-T4-Turbo-Downpipe-3-V-Band-Flange-Stainless-Kit_W0QQcmdZViewItemQQcategoryZ33742QQihZ016QQitem Z260271170600QQrdZ1QQsspagenameZWDVW

3.Just use a turbine housing that is totally non-gated and just has a V band outlet


This is my turbo and downpipe(using the ford style turbine housing, drilled and tapped standard T3 flange on a stock manifold), using the ATP 3'' V band swingvalve-
http://i105.photobucket.com/albums/m216/87wagon/TopEnd3.jpg
http://i105.photobucket.com/albums/m216/87wagon/DownpipeVband.jpg

[8valves]

Interesting plans there.

[Ondonti]

You can also run a 5 bolt flange with a wastegate hole and weld pipe separately to each hole, then run an external gate off the wastegate pipe. This is a popular mod on a lot of platforms.

[Dave]

Interesting plans there.

What are your thoughts, Aaron?


You can also run a 5 bolt flange with a wastegate hole and weld pipe separately to each hole, then run an external gate off the wastegate pipe. This is a popular mod on a lot of platforms.

I've seen this done before but I do not like the perpendicular angle. I know it works but I want this done the right way. I do not want to have to worry about not being able to effectively control boost.

[t3rse]

What, no spring? (sorry had to...lol)

[Dave]

What, no spring? (sorry had to...lol)

Hey it works! It's just not right.:D:thumb:

[Ondonti]

What are your thoughts, Aaron?



I've seen this done before but I do not like the perpendicular angle. I know it works but I want this done the right way. I do not want to have to worry about not being able to effectively control boost.

Are you comparing it to a well done external or to anything internally gated? It is vastly superior to anything internally gated. Also, most external gate designs I have seen on turbododges that are off the manifold are....horribly done and only pull off 1 or two cylinders.