The Frankenstein series turbos are assembled by Texas Rebuild Turbos. The name comes from the hybrid nature of these turbochargers. Most of them use Garrett center sections and compressor wheels, with Mitsubishi housings and turbine wheels.
The ball-bearing center section makes for good spool-up and durability.
Here are a couple of Frankenstein models and their specs. The other numbered turbos have performance that ranges between these. Frankenstain 5 and 6 are race-only turbos that can produce 600 horsepower and beyond.
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