I have a holset hx35 with a 12# turbine housing, 60mm turbine wheel, and a 54mm compressor wheel.
15psi comes around 2900rpm, and after that it really kicks in. just a little over 3000rpm i have 30psi and the engine revs over 5500rpm (6000rpm according to the original tachometer).
In the dyno it made 267hp, but i haven't checked the egt or the drive pressure yet.
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