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  • 2 weeks later...

Adam,

A Borg Warner EFR8374 matches most of your requirements. Rated up to 800HP (79lbs/min compressor) and capable of well over 400kW at the rear wheels on E85. Available in 0.83 A/R T3 internal WG.

Garrett's GTX3582 is available in a T3 twin scroll but only external WG. However they do have a T3 0.82 internally gated turbine housing. It will produce less power than the EFR8374 but probably provide slightly better response.

Here's a back to back comparison between the smaller Borg Warner EFR7670 with a T3 0.83 vs. a Garrett GTX3582 T3 0.82 on a 2008 model STi running pump fuel with 50/50 water methanol injection:

tech_turbo_efrgtx35efr7617bar.jpg

Opt for the 400kW car... you know you want to :yes:

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There are other options that will meet 'most' of your requirements. But not many available with an off-the-shelf T3 internally gated exhaust housing.

Precision Turbo (Shaun is familiar with PT stuff) PT6062 CEA GEN2 (rated up to 750HP) is available with a T3 5-bolt housing which could be set-up to run internal WG. A little bit of stuffing about though.

Forced Performance have their new Xona Rotor range, which is basically their previous FP comp/turbine wheels with a new CHRA. But no off-the-shelf IWG option.

If you switch to external gate your options increase significantly.

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There are other options that will meet 'most' of your requirements. But not many available with an off-the-shelf T3 internally gated exhaust housing.

Precision Turbo (Shaun is familiar with PT stuff) PT6062 CEA GEN2 (rated up to 750HP) is available with a T3 5-bolt housing which could be set-up to run internal WG. A little bit of stuffing about though.

Forced Performance have their new Xona Rotor range, which is basically their previous FP comp/turbine wheels with a new CHRA. But no off-the-shelf IWG option.

If you switch to external gate your options increase significantly.

6262, comes in a ford 1.06 in gate housing option ..which means a 6062 should fit aswell....

or people get them machined into the ford housing..so im guessing you could machine it into a .82 3582 in gate housing..?

cheers

darren

Edited by jet_r31
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  • 4 weeks later...

Stock manifold will be a choking point, you need the motor to breathe.

If you want stock manifold, get a fabricator to run twin gates off it.. grouping cylinders 1~3 together and 4~6 together.. the factory manifold surprisingly is "nearly" twin scroll, bar that little notch.

OR use a Havoc Fabrication modded manifold which merges each of the pulses into 1x gate. I would expect at least a 45mm or 50mm gate off it.

GTX3582 would be perfect, especially with that 3.0L pushing it along.. heck even a GTX3576 would be perfect.

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