As far as I know, it's not adjustable, or at least it's not meant to be without modification to the length of the actuator arm. I think there are ways you can force it to open at a lower or higher PSI by making the arm longer or shorter. Right now mine opens at about 15psi I think. Or, is fully open at 15, one of the two. I never see 15psi, but I get close sometimes.
It's an IHI-RHF4 which I think was used on older Subaru engines. It's a fairly small turbo, you would probably want something larger on your engine, unless you want instant spool. Even on my 2.2L motor, it builds boost real quick. I probably could have used a larger turbo, but the power is fine, and it's not even intercooled.
Yours is a 3.8L right? There's calculators online that give you an idea of how large of a turbo you can run, depending on if you want quick spool, or slower spool but more volume or whatever. I don't quite understand it all myself, I just went with this turbo based on a few suggestions from other folks with the same motor.
For adjustable waste gate, I imagine you'd probably want an external one.
It's an IHI-RHF4 which I think was used on older Subaru engines. It's a fairly small turbo, you would probably want something larger on your engine, unless you want instant spool. Even on my 2.2L motor, it builds boost real quick. I probably could have used a larger turbo, but the power is fine, and it's not even intercooled.
Yours is a 3.8L right? There's calculators online that give you an idea of how large of a turbo you can run, depending on if you want quick spool, or slower spool but more volume or whatever. I don't quite understand it all myself, I just went with this turbo based on a few suggestions from other folks with the same motor.
For adjustable waste gate, I imagine you'd probably want an external one.
Comment