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Boostd1
12sec Club
Joined: 28 Oct 2008
Posts: 437
Location: Thornton, Colorado
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 Posted: Wed Dec 23, 2009 9:14 pm Post subject: Tampered or Factory? |
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I just can't tell. My buddy picked this up for his WS6 not long ago. Its a .57 Trim Garrett (Similar to that of a 3071R)
On the exhaust side of the turbo, it appears the shaft has been grinded down a bit. I assume this is for balancing. Is this something Garrett does? Is this something the previous owner did? Turbo is brand new, never spooled/mounted.
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rjmcgee
The Hammer
Joined: 08 Jan 2004
Posts: 2328
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| Posted: Thu Dec 24, 2009 12:22 am Post subject: |
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That's gotta be from the factory for balancing. I doubt many people have the skills or equipment to balance something at 80,000 rpms.  |
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Boostd1
12sec Club
Joined: 28 Oct 2008
Posts: 437
Location: Thornton, Colorado
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| Posted: Thu Dec 24, 2009 1:08 am Post subject: |
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| rjmcgee wrote: | | That's gotta be from the factory for balancing. I doubt many people have the skills or equipment to balance something at 80,000 rpms. |
That's what I'm trying to get at. I cant tell if someone just F'd with it for the hell of it, or if its balanced by Garrett themselves.
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1998 Grand Prix GT | 12.91 @ 103 - Sold/Retired
2008 Saturn Astra XR | Sold
2007 Infiniti G35x | Current DD |
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Thu Dec 24, 2009 7:51 am Post subject: |
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Contact Garrett.
I've only seen a dozen or so up close, but even my turbo doesn't have any grinding. It's an Air-Research.
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iansane
Member
Joined: 16 Jan 2004
Posts: 5742
Location: Bothell
1991 Pontiac Trans Am
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| Posted: Thu Dec 24, 2009 9:15 am Post subject: |
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| Twilightoptics wrote: | Contact Garrett.
I've only seen a dozen or so up close, but even my turbo doesn't have any grinding. It's an Air-Research. |
The AR/Garrett I picked up for Steves scoobaru years ago had the shaft ground on, figured it was normal for balancing...
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Boostd1
12sec Club
Joined: 28 Oct 2008
Posts: 437
Location: Thornton, Colorado
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| Posted: Thu Dec 24, 2009 3:20 pm Post subject: |
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That's what I'm thinkin'. A few Garrett guys on Club GP says it's normal as well. Just thought I'd see if you guys knew.
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1998 Grand Prix GT | 12.91 @ 103 - Sold/Retired
2008 Saturn Astra XR | Sold
2007 Infiniti G35x | Current DD |
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