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garrett 76mm turbo

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Old 09-06-2011, 06:13 PM
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Default garrett 76mm turbo

I'm doing a 6.0 build and found this turbo new for a great price.($470) What I would like to know is this turbo enough to make 600rwhp with my set up? Or should I sell it and get something different? 6.0, truck manifold, regaped rings, arp studs, ls6 cam? is the A/R to small? what trouble will I run into. Looking to run 12-15psi.

Cold Side:

Compressor Wheel 76mm

.96 a/r

4” Inlet and 2.5” Compressor Outlet

Inducer- 76.71mm

Exducer- 102.36mm



Exhaust Side:

Exhaust Housing T-4 Flanged Divided

A/R sizes - .68

3.0" Vband outlet

Inducer- 74.5mm

Exducer- 60.56mm

Last edited by hdkarmy; 09-06-2011 at 08:03 PM. Reason: wrong a/r
Old 09-06-2011, 06:25 PM
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Is that a real Garrett for 470 new? Where did you get it? Is it an ebay.knockoff
Old 09-06-2011, 08:05 PM
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Originally Posted by ls1ya
Is that a real Garrett for 470 new? Where did you get it? Is it an ebay.knockoff
real deal, the guy never even opened the box
Old 09-07-2011, 02:51 AM
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If you build everything for low RPM it might. I made 714 with a 6.0L and TC76 with a .68AR 68mm exh wheel. Peak power came at 4500RPM and was a steady decline from there. Cam was small too. Never dynoed it with the .96 AR but it picked up 3mph at the track.
Old 09-07-2011, 08:28 PM
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Originally Posted by stock48
If you build everything for low RPM it might. I made 714 with a 6.0L and TC76 with a .68AR 68mm exh wheel. Peak power came at 4500RPM and was a steady decline from there. Cam was small too. Never dynoed it with the .96 AR but it picked up 3mph at the track.
thanks, would a cam change bring the rpm up or is it the turbo. If the cam, what would you suggest? I would like to peak around 6200.
Old 09-16-2011, 04:15 AM
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It's not the cam it's the turbo. With the .96AR it peaks around 53~5500 RPM.
The same 212@.050 cam and Garret GT76/94mm exh wheel it keeps gaining power to 6200RPM and holds to 6500.
Old 09-16-2011, 07:58 AM
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damn and i am worried about running a .81 on a pt7675 billet on my 5.3 liter.



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