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What turbo is this???????

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Old Nov 23, 2014 | 12:28 AM
  #1  
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Default What turbo is this???????

Today my neighbor gave me this Garrett turbo. I tried to research what it is but there are so many that I can't seem to nail it down. Someone who knows their Garrett's, please help! The specs are as follows:


Compressor
64.89mm inducer
94.01mm exducer
.60 a/r

T6 frame
Turbine
74.24mm exducer
82.01mm inducer
1.01 a/r

What turbo is this???????-cam00011-1-.jpg

What turbo is this???????-cam00012-1-.jpg

What turbo is this???????-cam00017-1-.jpg

What turbo is this???????-cam00016-1-.jpg
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Old Nov 23, 2014 | 12:45 AM
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From what I can find the GT4294R has these specs:

Ind Whl Dia(mm)
70.30
Exd Whl Dia(mm)
94.00
Trim
56
A/R
0.60

Turbine Whl Dia(mm)
82.00
Trim
84
A/R
1.01

Stock pic from Garrett's website.
What turbo is this???????-gt4294r_01.jpg

I'm gonna measure the compressor wheel again, looking at the pics I may have measured the wheel a bit off. But I doubt I was 5mm off. Anyone have any clues?
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Old Nov 23, 2014 | 01:05 AM
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That's a turbo from a Detroit Diesel engine.
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Old Nov 23, 2014 | 02:01 PM
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65mm inducer gt4294
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Old Nov 24, 2014 | 01:18 AM
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Can I upgrade the compressor wheel to the 70mm? And seing as how I cannot find any info on this version, does anyone happen to know what the hp rating is?
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Old Nov 24, 2014 | 08:36 AM
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You can... You could even upgrade it to a GT4208 if you wanted to....

with a compressor upgrade to a billet 76 or the like... itd make a pretty decent turbo for a 5.3 or 4.8.....

Call Jose at Forced Inductions... he can help you decide what would be the best upgrade.
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Old Nov 27, 2014 | 11:22 PM
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Originally Posted by LJMSJohn
You can... You could even upgrade it to a GT4208 if you wanted to....

with a compressor upgrade to a billet 76 or the like... itd make a pretty decent turbo for a 5.3 or 4.8.....

Call Jose at Forced Inductions... he can help you decide what would be the best upgrade.
Thanks! I did go to a local shop called Superior turbo in Detroit, so an upgrade is in the works.
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