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Help - Turbo identification

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Old 05-08-24, 11:30 AM
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Help - Turbo identification

Hey everyone! I’ve got a turbo I can’t figure out. It bolts to a stock s5 exhaust manifold but from what I can tell that’s where the similarities end. If anyone has any ideas I’d much appreciate it! I’d like to get 400whp so I wonder if I’m better off getting a new one or having this one upgraded.



Old 05-08-24, 12:27 PM
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so some parts we can tell by the pics, but a couple of things you'll need to pull it apart and measure.
Compressor housing is a Garrett T04B with a 0.6 a/r
Center section is either the stock Hitachi, or the Garrett equivalent
Turbine housing is an S5 T2
Wastegate actuator is aftermarket, and the bracket

Compressor wheel you'll have to measure, its likely to be a V Trim
Turbine wheel isn't stock either, you should measure it.

its kind of like an old BNR stage 2, although many people did turbos like that too
probably 300-320rwhp give or take depending on the rest of the setup around 15psi
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diabolical1 (05-08-24)
Old 05-08-24, 01:58 PM
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Originally Posted by j9fd3s
so some parts we can tell by the pics, but a couple of things you'll need to pull it apart and measure.
Compressor housing is a Garrett T04B with a 0.6 a/r
Center section is either the stock Hitachi, or the Garrett equivalent
Turbine housing is an S5 T2
Wastegate actuator is aftermarket, and the bracket

Compressor wheel you'll have to measure, its likely to be a V Trim
Turbine wheel isn't stock either, you should measure it.

its kind of like an old BNR stage 2, although many people did turbos like that too
probably 300-320rwhp give or take depending on the rest of the setup around 15psi
so I’ve taken it to the local turbo specialist. He’s told me exactly what it is. You are correct on the compressor side. The middle bit is garret and the turbine is a stage two garret. The exhaust housing was machined to fit the larger turbine. Thank you for your help!!!!
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j9fd3s (05-08-24)
Old 05-08-24, 03:10 PM
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neat, that should be really fun.
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