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Old 03-19-2009, 06:05 AM
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7.3l turbo specs

does anyone know the specs of a 7.3 factory turbo such as compressor size, A/R and anthing else will help.... thanks
kamron
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Old 03-19-2009, 06:45 AM
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Originally Posted by helsel_182 View Post
does anyone know the specs of a 7.3 factory turbo such as compressor size, A/R and anthing else will help.... thanks
kamron
The only things I can really tell you is if you've got a '99.5-'03, you've got that redesigned compressor wheel that sucks. You can replace it with a Wicked Wheel or Banks Wheel. Your compressor inlet is 4".
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Old 03-19-2009, 06:49 AM
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early 99 turbo had a 1.10 compressor with the older style compressor wheel. I think it's a 60mm. The turbine housing is .84

Late 99 had a 1.10 or 1.0 compressor housing with a newer style compressor wheel (same size as the early 99) that surged. The turbine housing is a .84 also.
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Old 03-19-2009, 08:36 AM
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Originally Posted by RadarRider View Post
The only things I can really tell you is if you've got a '99.5-'03, you've got that redesigned compressor wheel that sucks. You can replace it with a Wicked Wheel or Banks Wheel. Your compressor inlet is 4".
Compressor inlet is 3" on a stock turbo. Ported shroud housing has a 4" inlet.
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Old 03-19-2009, 08:37 AM
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Originally Posted by superduty4x4 View Post
Compressor inlet is 3" on a stock turbo. Ported shroud housing has a 4" inlet.
Really? I've got a ported shroud housing, then. Are you absolutely sure about that?
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Old 03-19-2009, 08:50 AM
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Yes the inlet(intake) tube tapers down to 3 inch were it goes in the turbo

Aftermarket ATS Housing,38R, TN BB, H2E are 4 inch inlet
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Old 03-19-2009, 08:52 AM
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Originally Posted by bigwhite7.3stroker View Post
Yes the inlet(intake) tube tapers down to 3 inch were it goes in the turbo

Aftermarket ATS Housing,38R, TN BB, H2E are 4 inch inlet
I just ask because I had bought a boost leak detector from DIESELSITE & got a 4". It fits snug on the inlet. As far as I know, the only mods to my turbo are the compressor wheel & WGA. The truck was bone stock when I bought it.
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Old 03-19-2009, 09:36 AM
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I can tell ya from very recent experience , the stock inlet is 3" and most Aftermarket units are 4".
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