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Hey guys

got some new toys to put on the car yesterday! Got them from a one of my best friends who decided to part out his 94... Anyway everything is brandnew, the install will take place in like 3 weeks, once i get some misc parts. Like another WG, my wide band 02, ect...

But enjoy and tell me what ya think!

Geno~

GT42-74 dbb turbo
Full Race Manifold
Tial 44mm WG (i need one more to run duel)
AEM EMS
5" Intake mani/stock runners (5" flag pole)
4' custom dp
PHR Fuel Rail
960cc inj
areomotove FPR
Stock hanger with duel Walbros mounted
-6 lines
misc stuff, ect...
need a BC, another WG and some misc stuff... i should have it up next month tho hopefully.





















 

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HAWT!!! I've got wood. I'll be making a post soon when my t78 kit come in I'll probably be licking the turbo though. I've got to get the dual hanger for my pumps and the injectors.
 

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yeah, thats gonna be a big change!!
 

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Looks like a twin scroll (ie divided exhaust chamber) garrett turbo???

if so, call full-race and get the proper manifold for it.

Twin scrolls spool like none-other, but theyre useless unless the manifold is designed for it.

the one it looks liek you have:



the one you want:



youll need to run dual wastegates as well.

This is the best setup when run properly. insane spool
 

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Discussion Starter #11
Looks like a twin scroll (ie divided exhaust chamber) garrett turbo???

if so, call full-race and get the proper manifold for it.

Twin scrolls spool like none-other, but theyre useless unless the manifold is designed for it.

the one it looks liek you have:



the one you want:



youll need to run dual wastegates as well.

This is the best setup when run properly. insane spool

what do you mean i have the wrong one?? you lost me...
 

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nice.....good luck with the setup its gonna be a monster....
 

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Nice haul. Looks like someone will be having fun soon.
 

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what do you mean i have the wrong one?? you lost me...
both manifolds are made by full-race

The first manifold (one you have) is made for normal t4 style exhaust housings. One large inlet (turbo) and outlet (manifold). They mate together and have that same open flange (one large rectangular hole). If you look at the pictures, you can clearly see how all runners are combined into one section that feeds the turbo.

Now the second manifold is meant for the Twin-Scroll or Divided exhaust housing style turbos, which it looks like you have. These turbos have dual exhaust housings which can be identified by the two rectangular holes in the inlet for the exhaust housing. In order to use these turbos to their full potential (which is amazing) you must have a manifold that is designed for these specific turbos. The manifold must be divided, just like the turbo. If you look at the pic, you can clearly see how the manifold is divided into 2 groups of 3 runners that stays separate the entire way. kind of like two 3-runner manifolds joined at the flange. exhaust gasses from each group of 3 cylinders is kept separate and fed into each side of the divided exhaust housing (think of a HKS twin kit). This increases spool as the turbo was intended to do. Also the reason why you have to run 2 wastegates. Again, these systems yield incredible numbers when put together correctly. I believe full-race is the only place that makes a divided manifold that works with these turbos on our cars.

If anyone has ever owned a mkii MR2 turbo and wondered what the "twin enty turbo" means, this is it, just a lot smaller.

Not twin turbo, but a lot faster response than comparable singles.

hope this makes sense and helps out. i know theyre out there, but I have yet to see anyone with an mkiv running a twinscroll.
 

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yo Geno if your friends selling has Supra in the summer i am am a buyer lolz and i live in LI PM if needed

and nice set up i would to see a dyno and a 1/4
 

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both manifolds are made by full-race

The first manifold (one you have) is made for normal t4 style exhaust housings. One large inlet (turbo) and outlet (manifold). They mate together and have that same open flange (one large rectangular hole). If you look at the pictures, you can clearly see how all runners are combined into one section that feeds the turbo.

Now the second manifold is meant for the Twin-Scroll or Divided exhaust housing style turbos, which it looks like you have. These turbos have dual exhaust housings which can be identified by the two rectangular holes in the inlet for the exhaust housing. In order to use these turbos to their full potential (which is amazing) you must have a manifold that is designed for these specific turbos. The manifold must be divided, just like the turbo. If you look at the pic, you can clearly see how the manifold is divided into 2 groups of 3 runners that stays separate the entire way. kind of like two 3-runner manifolds joined at the flange. exhaust gasses from each group of 3 cylinders is kept separate and fed into each side of the divided exhaust housing (think of a HKS twin kit). This increases spool as the turbo was intended to do. Also the reason why you have to run 2 wastegates. Again, these systems yield incredible numbers when put together correctly. I believe full-race is the only place that makes a divided manifold that works with these turbos on our cars.

If anyone has ever owned a mkii MR2 turbo and wondered what the "twin enty turbo" means, this is it, just a lot smaller.

Not twin turbo, but a lot faster response than comparable singles.

hope this makes sense and helps out. i know theyre out there, but I have yet to see anyone with an mkiv running a twinscroll.
I seem to remember a thread years ago about the pros and cons of single inlet vs. twin scroll turbochargers. They did testing and showed that single outlet manifolds combined with twin scroll turbochargers increased lag and decreased power due to the inefficiencies of having a single exhaust outlet on the manifold meeting with the divider on the twin scroll turbo. The same was vice versa with a twin scroll manifold and single inlet turbocharger.

However when both are combined properly flow characteristics are inproved vastly. Not all twin scroll turbo/manifold combinations are more efficient though. Design of the maniold, A/r of the exhaust housing, flow characteristics in the head, plus any number of variables can affect the spool of a turbo.

That being said I love Full-Race's manifolds and think they are wonderful. I'd like to see more real world testing on them though in comparisson to manifolds such as Virtual Works, Sound Performance, and Boostlogic. However this isn't a comparisson thread and your parts are incredible. I'd agree that your manifold should match up with the exhaust housing of the turbo however.

Josh
 
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