Will the G47-1550 Super Core fit where my GTX47 was?

Yes, in outline. Garrett states the G47 is outline interchangeable with GTX Gen II turbochargers, so a layout built around a GTX47 Gen II should accept it. Check the turbine side and the downpipe, because the G47 T6 turbine housing outlet is 17mm shorter than the GTX housing.

How much horsepower is the G47-1550 good for?

Garrett rates it at 825 to 1550 horsepower on 2.5L to 10.0L engines. The rating is calculated strictly from the choke flow of the compressor map and represents potential flywheel horsepower, so fuel, boost, turbine housing choice and calibration determine what a given engine actually makes.

Which turbine housings fit the G47-1550 Super Core?

Garrett lists four G47 kits for the G47-1550 Super Core: 0.96, 1.08, 1.23 and 1.39 A/R, all with a T6 inlet, a V-band outlet and an undivided, free-float layout. The smaller sizes help response on smaller engines, while the larger ones favor flow on big displacement.

Does it come with a turbine housing?

No. Garrett sells the turbine housing as a separate G47 kit, and the Garrett page does not itemize any fittings for this core. Plan the oil feed, the drain and any coolant connections to suit the installation, along with an external wastegate on the exhaust manifold.

Do I need a speed sensor?

Garrett recommends one. The maximum allowable speed is 102,500 rpm, and running above it is at the risk of the owner and can cause premature failure. A sensor in the compressor housing gives the tuner a live shaft speed reading, and the Garrett kit is sold separately.

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Description

Garrett G47-1550 Super Core, 76mm Compressor Standard Rotation

Garrett’s G47-1550 Super Core is the entry point to the G47 frame, a 76mm inducer, 109mm exducer compressor with GTX Gen II aerodynamics on a 93mm G-Series turbine wheel, rated at 825 to 1550 horsepower on 2.5L to 10.0L engines. Garrett makes it outline interchangeable with GTX Gen II turbochargers, so it can go into a layout built around a GTX47. It is a big-engine part: on a small four-cylinder it will feel lazy, while on a V8 aiming between 1000 and 1500 horsepower it is the smallest G47 to consider.

Design and Performance

Against the GTX47 Gen II, Garrett states that the G-Series turbine wheel aerodynamics give up to 20 percent more flow and up to 9 percent better spool, estimated from flow, efficiency and inertia. The center housing and backplate are a one-piece lightweight aluminum part, and the outlet of the T6 turbine housing is 17mm shorter than the GTX version to save weight.

Features

Outline interchangeable with GTX Gen II turbochargers
High flow, high efficiency GTX Gen II compressor aerodynamics
One-piece lightweight aluminum center housing and backplate

Specifications

Compressor inducer and exducer: 76mm and 109mm
Compressor trim: 49
Compressor housing A/R: 0.88
Turbine inducer and exducer: 93mm and 88mm
Turbine trim: 90
Maximum turbocharger speed: 102,500 rpm
Rotation: Standard

Applications

The G47-1550 Super Core is not vehicle specific. Garrett sizes it by engine and output:

Engine displacement: 2.5L to 10.0L
Power range: 825 to 1550 horsepower (Garrett rating)
Garrett turbine kits: G47 0.96, 1.08, 1.23 and 1.39 A/R free float, T6 inlet and V-band outlet

Notes

The turbine housing is not included; Garrett sells the G47 turbine housing kits separately
All four G47 turbine kits are free float, so an external wastegate is required
The Garrett speed sensor kit is sold separately
Garrett states that running above 102,500 rpm is at the owner’s risk and can result in damage and premature failure

Frequently Asked Questions

Will the G47-1550 Super Core fit where my GTX47 was? Yes, in outline. Garrett states the G47 is outline interchangeable with GTX Gen II turbochargers, so a layout built around a GTX47 Gen II should accept it. Check the turbine side and the downpipe, because the G47 T6 turbine housing outlet is 17mm shorter than the GTX housing.
How much horsepower is the G47-1550 good for? Garrett rates it at 825 to 1550 horsepower on 2.5L to 10.0L engines. The rating is calculated strictly from the choke flow of the compressor map and represents potential flywheel horsepower, so fuel, boost, turbine housing choice and calibration determine what a given engine actually makes.
Which turbine housings fit the G47-1550 Super Core? Garrett lists four G47 kits for the G47-1550 Super Core: 0.96, 1.08, 1.23 and 1.39 A/R, all with a T6 inlet, a V-band outlet and an undivided, free-float layout. The smaller sizes help response on smaller engines, while the larger ones favor flow on big displacement.
Does it come with a turbine housing? No. Garrett sells the turbine housing as a separate G47 kit, and the Garrett page does not itemize any fittings for this core. Plan the oil feed, the drain and any coolant connections to suit the installation, along with an external wastegate on the exhaust manifold.
Do I need a speed sensor? Garrett recommends one. The maximum allowable speed is 102,500 rpm, and running above it is at the risk of the owner and can cause premature failure. A sensor in the compressor housing gives the tuner a live shaft speed reading, and the Garrett kit is sold separately.

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.

Additional Information

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Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

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 G47-1550 Super Core, 76mm Compressor Standard Rotation [880547-5023S]

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Garrett G47-1550 Super Core, 76mm Compressor Standard Rotation

Design and Performance

Features

Specifications

Applications

Notes

Frequently Asked Questions

About Garrett

Reviews