What is included with the GT3076R Super Core?

The GT3076R Super Core is the center housing rotating assembly with its 0.60 A/R compressor housing attached. Turn 14 lists the CHRA inside as 836000-0003. The turbine housing is bought separately, from the Garrett GT30 range in free-float or internally wastegated form.

How much power does Garrett rate the GT3076R for?

Garrett rates the GT3076R at 310 to 525 horsepower on 2.0L to 3.5L engines. Garrett bases that rating on compressor choke flow, so it represents potential flywheel horsepower, and the finished number depends on fuel, boost, the manifold and the calibration.

Should I buy a GT3076R or a GTX3076R Gen II?

Both use the GT30 turbine kits. The GT3076R keeps the cast GT Series compressor wheel and suits a rebuild where everything else is already in place. The GTX3076R Gen II uses a machined Gen II compressor wheel and Garrett rates it for up to 750 horsepower, so it is the stronger choice for a new high-output build.

Which A/R turbine housing suits a 2.0L four-cylinder?

A smaller A/R such as 0.63 or 0.82 in the GT30 range usually suits a 2.0L, because it builds exhaust energy and boost sooner. The 1.06 A/R favors top-end flow on larger or high-revving engines. Check the choice against the Garrett flow maps and the rpm band the engine actually uses.

Is this GT3076R Super Core water cooled?

Yes. Garrett specifies a ball bearing configuration with a water-cooled CHRA for the GT3076R, so the installation needs coolant feed and return lines in addition to the oil feed and drain. Water cooling helps protect the bearing cartridge from heat soak after a hard run.

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Description

Garrett GT3076R Super Core, Ball Bearing GT30

Garrett’s GT3076R Super Core puts a 57mm, 56 trim compressor on Garrett’s GT30 ball bearing center section, and Garrett rates the GT3076R at 310 to 525 horsepower on engines from 2.0L to 3.5L. It suits a built 2.0L four or a 3.0L six that wants strong midrange without a large frame’s lag. For a stock-block engine stopping near 350 horsepower it is more than needed, and for 600 horsepower a GT35 or GTX35 frame is the honest answer. Turn 14 references the CHRA inside as part 836000-0003.

What Garrett Specifies

The compressor housing is 0.60 A/R and the turbine wheel is an 84 trim with a 60mm inducer and 55mm exducer. Garrett builds the core with ball bearings in a water-cooled center housing and original GT Series aerodynamics. Garrett offers internally wastegated and non-wastegated turbine housings for it, including V-band options.

Features

57mm compressor inducer with a 76mm exducer in a 0.60 A/R housing
Ball bearing cartridge in a water-cooled CHRA
Shares the GT30 turbine interface with GTX Gen I and Gen II 30 Series cores

Specifications

Compressor inducer and exducer: 57mm and 76mm
Compressor trim: 56
Compressor housing A/R: 0.60
Turbine inducer and exducer: 60mm and 55mm
Turbine trim: 84
Bearing system: Ball bearing, water cooled

Applications

The GT3076R Super Core is not vehicle specific. Garrett sizes it by engine and output:

Engine displacement: 2.0L to 3.5L
Power range: 310 to 525 horsepower (Garrett rating)
Garrett GT30 free-float kits: T3 inlet 0.63, 0.82 or 1.06 A/R; V-band inlet 0.61, 0.83 or 1.01 A/R
Garrett GT30 wastegated kits: T3 inlet 0.63, 0.82 or 1.06 A/R

Notes

The turbine housing is not included
Wastegated GT30 turbine assemblies from Garrett do not include bolts, clamps or actuator
A free-float GT30 housing requires an external wastegate
Garrett’s newer GTX3076R Gen II fits the same GT30 turbine kits

Frequently Asked Questions

What is included with the GT3076R Super Core? The GT3076R Super Core is the center housing rotating assembly with its 0.60 A/R compressor housing attached. Turn 14 lists the CHRA inside as 836000-0003. The turbine housing is bought separately, from the Garrett GT30 range in free-float or internally wastegated form.
How much power does Garrett rate the GT3076R for? Garrett rates the GT3076R at 310 to 525 horsepower on 2.0L to 3.5L engines. Garrett bases that rating on compressor choke flow, so it represents potential flywheel horsepower, and the finished number depends on fuel, boost, the manifold and the calibration.
Should I buy a GT3076R or a GTX3076R Gen II? Both use the GT30 turbine kits. The GT3076R keeps the cast GT Series compressor wheel and suits a rebuild where everything else is already in place. The GTX3076R Gen II uses a machined Gen II compressor wheel and Garrett rates it for up to 750 horsepower, so it is the stronger choice for a new high-output build.
Which A/R turbine housing suits a 2.0L four-cylinder? A smaller A/R such as 0.63 or 0.82 in the GT30 range usually suits a 2.0L, because it builds exhaust energy and boost sooner. The 1.06 A/R favors top-end flow on larger or high-revving engines. Check the choice against the Garrett flow maps and the rpm band the engine actually uses.
Is this GT3076R Super Core water cooled? Yes. Garrett specifies a ball bearing configuration with a water-cooled CHRA for the GT3076R, so the installation needs coolant feed and return lines in addition to the oil feed and drain. Water cooling helps protect the bearing cartridge from heat soak after a hard run.

About Garrett

Garrett Motion has turbocharged engines since 1955, when its T15 was matched to the Caterpillar D9 crawler, and in 1962 a Garrett turbocharger went into the Oldsmobile Jetfire Turbo Rocket, the first turbocharged production car. Garrett has supplied turbocharging in Formula 1 with Scuderia Ferrari, the FIA World Rally Championship and the 24 Hours of Le Mans. It has operated as a stand-alone company since 2018, and its technology is fitted to around 150 million vehicles worldwide.

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BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Garrett GT3076R Super Core, Ball Bearing GT30 [836028-5003S]

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Garrett GT3076R Super Core, Ball Bearing GT30

What Garrett Specifies

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