Ported 2G, EvoIII, or THIS!

[siceclipse]

http://www.lse-performance.com/gallery/DSM-o2-housings

Which do you think would do a better job combating creep for my EvoIII16g?

The previous owner of my new/used 16g said he could hold 12-14 psi till redline with his 3" o2 eliminator setup, but I want a little assurance for myself. The turbo was ported by Forced Performance and to begin with, and I have heard nothing but great review about their port work, and how their turbos dont creep. But lets say it does creep on my car...

I have a ported to shit 1g o2 right now, and a 2g that i could send out to get ported or do myself, but does anyone think this would be the "end all" route to go?

Also if anyone has any ideas if there being no divider would hinder performance at all, let us all know

 

[Turbocharged]

I dont really like the open design like that.

Go with something tubular. My tubular housing was $150 and I can run as low as 14 psi on a 50 trim.

 

[mirkoelek]

get the external wastegate

 

[larsrya8]

http://dsmtuners.com/forums/showthread.php?t=186525

 

[tstkl]

I dont really like the open design like that.

Go with something tubular. My tubular housing was $150 and I can run as low as 14 psi on a 50 trim.

what tubular housing was that? all I have found are around 300 dollars, which is great, since it will go with the 300 dollar exhaust manifold Im looking at....(an o2 housing the same price as an exhaust manifold is TOOOO much)

2.5 inch or 3? internal dump or external?

 

[DGajre777]

Another option...

www.122performance.com - $155

Stock style 02 housing (2.5" 02 housing for internal wastegate, wastegate ties back into the exhaust like a stock 02 housing) - We made this piece as a direct replacement of 90-99 stock 02 housings. It is a great alternative to the Evo III housings. By the time you buy a Evo III housing and have it ported, it will cost more, and the angle of the Evo III outlet along with bolt distance is different than your factory 02, which could cause fitment problems. The wastegate tube is 1 3/4" and helps reduce boost creep problems. You can also use your stock heat shield with this housing

Pics - http://www.122performance.com/122/Pictures/122EVO25/122EVO25.htm

 

[Dieselboy]

Doesn't look very practical. Seems like the exhaust and wastegate flows are going smack right into each other at the bend.

 

[sweet97]

what tubular housing was that? all I have found are around 300 dollars, which is great, since it will go with the 300 dollar exhaust manifold Im looking at....(an o2 housing the same price as an exhaust manifold is TOOOO much)

2.5 inch or 3? internal dump or external?

What $300. ex. manifold are you looking at? I use and did use a Buschur ported EVO3 o2 housing with my EVO3 turbo and never had any creep problems. Mark
I have heard of fitment issues with many of the tubular o2 housings so be sure to ask guys questions. I did hear that punishment racing housings did fit well for what it's worth. mark

 

[babyviper]

I say try it be different, plus it looks stock. WRX's and 3000gt's run the exhaust into each other like that in to the o2, so why not, plus the price ain't that bad either. I think the VRS exhaust is like that also but I'm not for sure though, but anyway thats just my opinion.

 

[Xplicit93AWD]

Another option...

www.122performance.com - $155

Stock style 02 housing (2.5" 02 housing for internal wastegate, wastegate ties back into the exhaust like a stock 02 housing) - We made this piece as a direct replacement of 90-99 stock 02 housings. It is a great alternative to the Evo III housings. By the time you buy a Evo III housing and have it ported, it will cost more, and the angle of the Evo III outlet along with bolt distance is different than your factory 02, which could cause fitment problems. The wastegate tube is 1 3/4" and helps reduce boost creep problems. You can also use your stock heat shield with this housing

Pics - http://www.122performance.com/122/Pictures/122EVO25/122EVO25.htm

I was thinking about getting this o2 housing and slapping no a porting 2g manifold. Should I still have boost creep hitting like 15-18lbs on a unorted evoIII 16g? Or should I port the 16g. I just dont like having problem while bloting things on so I do everything I need not to problems when its installed.

 

[DSMSpyder99]

i got my 2g o2 and turbine housing ported from SBR still creeped, then i got the 34mm flapper done to it no more creep

 

[blcknspo0ln]

I had creep with a heavily ported 2g o2 / manifold / SBR ported e316G. When SBR ports something, it's more for airflow, not to lessen boost creep. I ended up going back and reporting everything myself and I cured some of the creep. If anyone is every concerned about boost creep, spend the 300 or whatever dollars getting injectors/logger/AFC to run 20 psi and never worry about creep again.

 

[Ryan95tsiAWD]

Porting is the BEST way to fix the creep issue with 16g turbos. If you port it and it still wont hold within 1-2 psi of set boost then it was not ported correctly, understand now that there are other contributing factors such as a GOOD boost controller, o2 housing and such.

My history with a b16g NOT ported:
I tried an EBC (profec b), helped some but not nearly enough.
custom o2 housing w/ 1.75" dumped internal wastegate, helped but still way too much creep.
redid the o2 dump with THREE INCH PIPE, it barely fit on the flange, but still DID NOT fix creep!!

Finally broke down took the turbo off and got it ported, guess what...creep gone.

I had talked to several companies about how to solve this problem, forced performance was the only company that said port the turbo and it will stop no flapper needed.

I'm sure Oldman is tired of posting on these but he also preaches on the necessities of porting.

(I need to save this and repost it on all the "creep" threads )

Good Luck!

 

[siceclipse]

i decided to send out my 2g o2 to forced perfomance. they said when they port an o2 its not about airflow volume, its about equal/even flow. he said they dont even "hog out" their housings. they just port match them to the gasket. the tech assured me if the turbo was came ported from them and they also did my o2, then i most likely wont have to worry about creep.

Ill let you all know shortly.

 

[Ryan95tsiAWD]

i decided to send out my 2g o2 to forced perfomance. they said when they port an o2 its not about airflow volume, its about equal/even flow. he said they dont even "hog out" their housings. they just port match them to the gasket. the tech assured me if the turbo was came ported from them and they also did my o2, then i most likely wont have to worry about creep.

Ill let you all know shortly.

That b16g I was referring has been dead for a while now. We ordered an evo16g(ported) from FP about a year ago for our GST. It has been a great turbo and does not creep with a ported head, exhaust manifold, o2(both port matched to turbo) and 3" exhaust w/ no cat. You will not be sorry with their turbo work.

 

[Dream On]

I would agree that porting is the cheapest way to get rid of creep. I plan on porting my 14b housing before putting on a 3" exhaust, just in case.

 

[Xplicit93AWD]

^^^ You will not creep wth a 14b and a 3" exhaust but porting the gold old 14b would sure give you some power you wont complain about

 

[blcknspo0ln]

^^^ You will not creep wth a 14b and a 3" exhaust but porting the gold old 14b would sure give you some power you wont complain about

Never say never. I have seen several 14b's creep with a full turbo back. Besides, this statement seems slightly redundant since the 14b uses a 6 cm mitsu housing and some 16G's came with them too.

 

[Dream On]

Yeah, it will be serving a dual pupose...also to help with spool up. Is it possible to port a manifold and turbo TOO much?

 

[GVR4592]

Porting is the BEST way to fix the creep issue with 16g turbos. If you port it and it still wont hold within 1-2 psi of set boost then it was not ported correctly, understand now that there are other contributing factors such as a GOOD boost controller, o2 housing and such

Can we pm this to every newbie so we don't get 4 million more boost creep threads?

 

[BOOSTIN21]

^^^ You will not creep wth a 14b and a 3" exhaust but porting the gold old 14b would sure give you some power you wont complain about

what are you talking about i crept 5 psi with a ported 14b which was gasket matched to 7cm. i ran a full 3" ATR with tubular o2 housing, ported evo 3 manifold, greddy profec b spec 2. i crept everytime i hit full boost. the whole turbine housing was ported by a local shop.

 

[RipperXX]

my 14b w/7cm houseing creeps a few psi with a 2.5" turbo back... dont really care though. Say I set it at 14 it creeps to 16. I set it at 16 it creeps to 17psi. So before I deployed I set it at 17 no more creep .

little risky amount of boost but it was only for a week. And I figured screw it im about to be in Iraq for a yr.

 

[Xplicit93AWD]

Well I was was simply saying from personal experience with my 14b and 3" turbo back exhaust I dont have creep but it also might be becuase im running 18psi on my 14b. Lets just say im using "RipperXX" style aprouch to things.(raise your boost until you dont creep)......

 

[Ryan95tsiAWD]

Yeah, it will be serving a dual pupose...also to help with spool up. Is it possible to port a manifold and turbo TOO much?

Yes, especially with the exhaust side of the head and manifold. You want to maintain a certain velocity going into the turbo and if ported too much (with a smaller turbo) you will actually lose power.

 

[Dream On]

I haven't touched the runners yet. I was more concerned with opening the collector and the the turbine housing.