i am currently workin on my version 4 sti i am putting the usdm sti block on it and doin up the internals with forged pisonts and rods and so on. what i would like to know what is a good turbo use with the ej20sti head and usdm sti block.. the car has the vf24 turbo stock on it which is only good for about 18psi boost.. i would like to know what will be a good turbo to use with this setup i want a turbo that has god drivability and spools very quick and can probaly get me into the 12 second or higher range. i was lookin at the vf34 and pe1818 what do you think of these turbos and any help will be appreciated.
p.s. whats the max boost that the vf34 can run?