Originally Posted by barryj
This is a great thread!
I'm planning on going with the 19t upgrade for my 2.0.
It seems to me that the TD04 19t creates the best low end power increase with the least stress on the drivetrain of all the possible turbo upgrades....which equals a better DD and longevity.
A couple of questions....On youtube I saw the Blouch "3000GT td04 19t upgrade" video...in that Blouch upgraded/replaced the Compressor and Turbine wheel.
It is my understanding that for our Suby TD04 upgrade only the turbine wheel is upgraded..is that right? and why not both replaced?? The turbo in the video looked like a OEM TD04 to me....so why the difference???
Is their a youtube video of the $375 19t upgrade????
The Subaru upgrade is compressor (19t) only for $375. Blouch will both on request, but the reasoning I read was that they didn't think the exhaust housing was large enough to see gains with an upgraded turbine wheel to justify cost so they offered the clip which gives you better flow and less rotating mass. The bigger turbine wheel is going to also increase spool-up time.
Upgrading both wheels reach the cost of a new 16g. The 3000GT doesn't have that option due to space and geometry so doing everything possible to the TD04 was more cost effective.