Twinscrol 35R T3 please read
Apr 10, 2009, 08:55 AM
#5
Because its too small.... 
I think you would grasp this fairly quickly 
If you had a T3 divided .78 a/r in your hand and you looked into the volutes where the flange is you would see how much smaller in overall area the housing seems to be say compared to a .82 a/r T3 open. Backpressure becomes too great and you start choking off the turbo before the compressor is done blowing air because it cannot possible be spooled anyquicker.
Drifto has had good results in a 1.06 T3 divided but you won't find those housings anywhere and its still probably too small for a 35R.
If you are looking for a twin scroll solution you want a T4 housing. Think about what advantages twin scroll offers then think about what works currently in terms of traditional T3 35R setups. Going to a twin scroll setup allows you to dramatically increase the size of the housing because you are making better use of your exhaust gasses... making going to a larger exhaust side part of the equation to making more power whilst gaining response.
Scorke
I think you would grasp this fairly quickly If you had a T3 divided .78 a/r in your hand and you looked into the volutes where the flange is you would see how much smaller in overall area the housing seems to be say compared to a .82 a/r T3 open. Backpressure becomes too great and you start choking off the turbo before the compressor is done blowing air because it cannot possible be spooled anyquicker.
Drifto has had good results in a 1.06 T3 divided but you won't find those housings anywhere and its still probably too small for a 35R.
If you are looking for a twin scroll solution you want a T4 housing. Think about what advantages twin scroll offers then think about what works currently in terms of traditional T3 35R setups. Going to a twin scroll setup allows you to dramatically increase the size of the housing because you are making better use of your exhaust gasses... making going to a larger exhaust side part of the equation to making more power whilst gaining response.
Scorke
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Apr 10, 2009, 09:43 AM
#8
i'm looking for quickest spool and transition response. i don't care about top tend. it's time attack car.
Just got off the phone with Michael@ETS. Man i love those guys. I'm so lucky having them as my sponsor.
I ordered ETS Twinscroll 3582R HTA T4 1.06 AR.
Just got off the phone with Michael@ETS. Man i love those guys. I'm so lucky having them as my sponsor.
I ordered ETS Twinscroll 3582R HTA T4 1.06 AR.
Last edited by vboy425; Apr 10, 2009 at 10:07 AM.
Apr 10, 2009, 10:40 AM
#11
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Vboy,
What boost level were you running and what RPM did you hit full boost on the old T3 setup (3rd gear street/track pull - not the dyno).
Should be cool to see some dyno graphs of the car with the old T3 35R, layed over the new setup.
I know Ted B, and a guy named Evan in AZ are both super stoaked with the T4 TS 35R action.
What boost level were you running and what RPM did you hit full boost on the old T3 setup (3rd gear street/track pull - not the dyno).
Should be cool to see some dyno graphs of the car with the old T3 35R, layed over the new setup.
I know Ted B, and a guy named Evan in AZ are both super stoaked with the T4 TS 35R action.
