ATP turbo will put a .78 divided turbine housing on it. I used to have a twinscroll GT3271 on my miata with the same hotside.

 

IMO the GT3076R spools so fast anyways i wouldnt even bother with a twinscroll unless you just really want to. I have a GT3076R .82 turbine on a pfab log manifold and it will hit 8psi @ 3500rpm...on this engine it feels like instaboost seriously.

 

it's incredibly early spool IMO any earlier is too stressful on the motor and may cause issues.

I personally rate motors for how many ft/lbs the motor is good for rather then how much the stock block is good for in hp etc. I wouldn't ever push past 300ft/lbs myself and I think 250ft/lbs is pushing it a bit for a DD.

-Greg

 

My 3082 had full spool by 4400 rpms but that probably had a lot to do with my exhaust manifold. I was very happy with the turbo.

 

really?, theres a lot of people running over 300ft-lbs running just fine, im at 400 and i dont feel im hurting my motor in any way, or shortening the life of the engine

 

GT3082R = lag of the GT3582R, power of the GT3076R...

For your goals, the GT3076R is probably your best bet. The 0.82 a/r Tial housing is pretty awesome. It can be added to any GT3076R (except maybe the internally wastegated ones...). The 0.78 a/r divided housing is available from ATP.


Tim