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Old 11-24-2020, 01:11 AM   #1
user1029
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Member#: 57064
Join Date: Mar 2004
Vehicle:
2008 STi IAG built
HTA86 E85 Kel272s Cos IM

Default Dyno test: Xona Rotor UHF turbine - snake oil or the truth?

I switched to a new xona rotor turbo with their new UHF turbine 8 months ago and I meant to post the results but it lost in my journal:



Dotted lines = XR7864 0.82 A/R
Solid lines = XR8269S (UHF) 0.82 A/R


just with turbo swap zero lag, pure gains even with bigger compressor and turbine wheel! The Xona UHF turbine wheel has half of the blades clipped to increase exhaust outflow and to lightened wheel. I was skeptical at first but this new 69mm UHF turbine wheel has zero increases in lag compared to my old 64mm turbine wheel on the previous turbo
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Last edited by user1029; 11-25-2020 at 12:20 AM.
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Old 11-24-2020, 08:10 AM   #2
CEEBEE
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Member#: 420458
Join Date: May 2015
Location: Australia
Vehicle:
07 WRX STI
Urban Grey

Default

I'd love to upgrade my Xona to a uhf wheel but that's a way off as you have to buy another supercore. Image link didn't work either.
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Old 11-24-2020, 12:27 PM   #3
Bariga
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Member#: 179846
Join Date: May 2008
Chapter/Region: NWIC
Location: Renton, WA
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07 STi Limited
EFR 8374 TS EWG

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sucks they dont have decent exhaust housings
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Old 11-24-2020, 09:18 PM   #4
user1029
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2008 STi IAG built
HTA86 E85 Kel272s Cos IM

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Pic fixed
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Old 11-24-2020, 11:40 PM   #5
silversurfer05
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Join Date: Aug 2013
Chapter/Region: South East
Location: broward county, Florida
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2009 09 wrx delivery
Dgm

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Quote:
Originally Posted by user1029 View Post
Pic fixed
Still cant see it. Are you using the nasioc image hosting?
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Old 11-25-2020, 12:20 AM   #6
user1029
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Join Date: Mar 2004
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2008 STi IAG built
HTA86 E85 Kel272s Cos IM

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Hopefully it works now
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Old 11-25-2020, 09:37 AM   #7
eaglehunter
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Dark Grey Metallic

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Works for me.
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Old 12-01-2020, 10:08 PM   #8
CEEBEE
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Urban Grey

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Quote:
Originally Posted by Bariga View Post
sucks they dont have decent exhaust housings
Even with the Tial rear housing the old turbine wheel design seems to struggle with choke flow. Good to see they have made changes to resolve that issue, shame you can't buy a uhf wheel for first gen Xonas
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