Too many variable for a simple text whats a good turbo. Turbos need to match airflow needed for the engine.
Is your turbo dead?
If your turbos dead. CT26 or CT20 or CT27, designed by research and development flow/turbo engineers, all perfect for a stock motor with a little extra boost (up to 10-14psi). I have a highflow ct26 for sale in a couple of weeks once back from the turbo shop (I have two high flows both getting done - need money for an engine build).
If you want more power, it comes down to supporting mods, where in rpm you will drive the car, and yes $$$$-$$,$$$z. Boost alone does not create more power or a sustainable engine.
If you are after funny talk, yeh get a borg warner turbo $4K, manifold $1.5k - but then you cant use it for what it can do without a $1K intake manifold, $2K fuel set up, $1k cams, $1k valve springs / shimless set up, $2k cooling, $1k ceramic coating, $1k service items, $4k ECU and tune, thats assuming you already have a forged motor and other aspects done.
post edited by TonyMR2 - 2016/08/27 13:39:09