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Old 03-04-2020, 07:15 PM   #1
BlueShadow
 
Drives: 2019 Chevrolet Camaro 2.0T 6spd
Join Date: Oct 2019
Location: Somewhere in California
Posts: 70
Stock manifold + bigger compressor housing?

Hello everyone,


I was wondering if anyone out there has tried a stock manifold with a bigger compressor housing? I know about the bigger wheels and even modified stock housings. But i wanted to know if a bigger compressor housing+stock turbine housing was possible on the stock manifold or if there are clearance issues or something.
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Old 04-01-2020, 12:24 AM   #2
DatsunBob
 
Drives: ATS 2.0t Rwd Performance
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I have been interested in this as well. Biggest issue I see is the integrated recirc valve.
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Old 04-01-2020, 02:38 AM   #3
BlueShadow
 
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Quote:
Originally Posted by DatsunBob View Post
I have been interested in this as well. Biggest issue I see is the integrated recirc valve.

There is the ZZP LTG ZFR turbo. Its supposed to bolt up to the stock exhaust manifold.


https://zzperformance.com/collection.../ltg-zfr-turbo
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Old 04-01-2020, 09:12 AM   #4
DatsunBob
 
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Quote:
Originally Posted by BlueShadow View Post
There is the ZZP LTG ZFR turbo. Its supposed to bolt up to the stock exhaust manifold.


https://zzperformance.com/collection.../ltg-zfr-turbo
I'm well aware of all the current options. I actually have a ATS 2.0t so I've been at this engine platform longer than the Camaro has been out.

I had a stage 2 turbobay. The large wheel stuffed in there always made me wonder why not swap compressor housings too?
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Old 04-02-2020, 04:08 AM   #5
BlueShadow
 
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Quote:
Originally Posted by DatsunBob View Post
I'm well aware of all the current options. I actually have a ATS 2.0t so I've been at this engine platform longer than the Camaro has been out.

I had a stage 2 turbobay. The large wheel stuffed in there always made me wonder why not swap compressor housings too?



yah...i kinda gave up on getting info for upgrading the stock turbo compressor housing. If i were still looking into it i'd probably get info from the DSM/EVO/WRX guys who have stock MHI turbos and have been doing the kind of stuff you and me are asking about but for a lot longer. Swapping one housing out for another and stuff like that.



Of course that still leaves out a bunch of camaro specific questions like clearance issues between the manifold+turbo and the block. But for that i dunno maybe you can look at the biggest housings that ZZP or Trifecta or whoever has ran on the stock manifold to see what the clearance looks like. The 7163 uses a BW turbo but afaik it bolts onto the the stock manifold and stock downpipe and just from eyeballing it the compressor housing looks much larger than the stock camaro turbo compressor.


During my research into the subject that was about as far as i got when i just said "screw it" and decided that i would just go with ZFR/Z54/7670 setup and that i would just ditch the entire stock turbo setup completely.
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Old 04-02-2020, 08:24 AM   #6
BlueShadow
 
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Ohh and also, you've probably heard about MHI a few years ago saying they were going to come out with an upgrade for the Camaro. If you pause the video at 0:18 you can see the data sheet with the upgraded turbo on the left and the stock turbo on the right. So stock is a TD04-19T and it looks like the upgrade was supposed to be a TF06-18K. Compressor wheel mm was 75 exd and 55.1 ind. In the video starting at 0:38 you see a mockup of the turbo on an LTG block on an engine stand. I'll let you examine that on your own if you like so that you can see what the clearance looks like between the inner heatshield and the compressor. Not sure what all it would take to put a 18K compressor housing and wheel onto a stock Camaro turbine. But i thought i read somewhere that a TD04 turbine or CHRA for them could only be joined up to certain compressors that were also TD04 sized. Like i said the DSM/EVO/WRX people might know more about that since they swap housings and wheels all the time.


I started this thread almost a month ago and the first reply was you wanting to know the same thing. So i guess nobody has done this yet? The MHI upgrade either got cancelled or delayed or who knows what. But maybe the mockups can give you some ideas or maybe you can brainstorm with the DSM/EVO/WRX guys.



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Old 04-02-2020, 08:30 AM   #7
BlueShadow
 
Drives: 2019 Chevrolet Camaro 2.0T 6spd
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also also....


I googled TF06-18K and its available as an upgrade for EVO IX and WRX. So looks like other cars have it as an upgrade but as far as the Camaro goes who knows. Plenty of info out there about its flow rate, wheel sizes, etc etc that you can google but i gotta go to bed. But here is one last link for the day that has pics, compressor maps, even schematics.


https://www.full-race.com/store/mits...ormance-turbo/
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Old 04-02-2020, 09:34 AM   #8
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There is stuff in here in very early threads. It is always best to state your goals first then the context of the conversation always works for the best. sounds like your looking for 500whp.

its just a different crowd here. Most of us, i might be the lone exception, are adverse to making mods while the car is under warranty. So when I frame my response as "the platform is too new" that is what I am referring to. The market hasn't quite gotten to the demand for shops to get this stuff in the pipeline yet.

My opinion is there are a couple of issues. first is the inherent strength of the motor. I know ATS ppl have much more experience at it, and leaves many wondering why looking at the camaro threads are any better info esp concerning heavy mods like the turbo. If your gonna fit the engine up with mad internals and post the play by play we are here to applaud and cheer you on.

For me. Having done a relatively very small increase in the turbo (td04 +4mm) with the zzp big wheel has added more than I was expecting with all said and done. I have the magical 400hp (hp tuners logs) and wasn't even trying. That said, I have learned more about tuning this thing for - longevity- probably more than 2 or 3 of us on here that I know of. Putting on the brakes so to say before anything major does do just that.

If the ZZP ZFR doesn't do it, I just don't know what will. add e85, mw and nitrous and your in group of 1. Just take references about shops picking up pieces of the motor seriously.

Yeah bummer you can buy a complete manifold system (wrx,evo) with the big turbo for the same $ as the zfr, but in the end you just don't need the whole works for it to pull huge numbers. Certainly more power than the stock internals and M6 are rated for.

Hope that is informative.
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Old 04-03-2020, 06:19 AM   #9
BlueShadow
 
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Quote:
Originally Posted by DatsunBob View Post
why not swap compressor housings too?

So anyways...I did just as tiny bit of searching tonight. I think the 19T compressor housing, the one the Camaro has, is the biggest housing/wheel that is usually paired up with a TD04 turbine. It seems like the reason that you dont see the TD04 paired with bigger compressor housings is just turbos 101. I've seen posts to the effect of: 'ohh egt/cylinder temps will be too high' or that the compressor will flow more or flow too much and that the turbine side is acting as a restriction (the reason for higher EGT/cylinder temps?). So back to turbo 101...what happens when you take a compressor wheel or housing that is too big for a turbine? I think 08 and up WRX also run a 19T stock turbo. I wonder if they also have similar heat related issues like what Camaro's have?


I do have a copy of Corky Bell's Maximum Boost though i dont remember if this was touched on in there. But bedtime is soon for me and i'm still 3-5 years away from doing anything to my car anyways. But maybe the stuff i mentioned is a good starting place to look?
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