Accidently bought a GT2871R with a tial 0.64 exhaust housing to replace my crappy Gt30 replica ebay turbo on my zetec turbo.

Anyone used one of these on a zetec turbo what kind of revs can expect it too start boosting at and will it continue to make power till it hits rev limiter
old one dosen't boost till near 5k and takes off like a rocket but is shit to drive