Is the 1.01 A/R G30-900 Turbocharger too big for my engine?

It can be. The G30-900 Turbocharger with the 1.01 A/R housing is built for engines that make their power high in the rev range, ideally 3.0L to 3.5L or a hard-revving smaller engine. On a 2.0L street engine it will build boost late, and the 0.83 A/R version is a better match.

How much horsepower does the G30-900 support?

Garrett lists 550 to 900 horsepower on engines from 2.0L to 3.5L. The rating comes from the choke flow of the compressor map and describes potential flywheel horsepower. With the 1.01 A/R housing, an engine with the fuel and calibration to match has the best chance of reaching the top of that range.

What maximum shaft speed does Garrett publish?

Garrett publishes 145,000 rpm as the maximum allowable speed for the G30-900. Above that, operation is at the risk of the owner and can cause damage and early failure. A speed sensor in the compressor housing lets the tuner see how close the engine runs the turbocharger to the limit.

Will G30 free-float housings fit the G30-900 core?

Yes. Garrett lists free-float G30 turbine kits for the G30-900 super core in 0.61, 0.83, 1.01 and 1.21 A/R with V-band inlets, plus T3 and divided T4 options. Those suit external wastegate builds, while this complete turbocharger keeps the internal wastegate.

Does Garrett calibrate the wastegate?

Yes. Each G30-900 turbo assembly is calibrated by Garrett with a 0.5 bar actuator. Target boost is then set with a boost controller and the engine calibration. The 0.5 bar figure is the spring baseline, not the boost the finished engine runs.

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Description

Garrett G30-900 Turbocharger, 1.01 A/R V-Band Internal Wastegate

Garrett’s G30-900 Turbocharger with the 1.01 A/R housing is the most flow-capable complete turbo in the G30 frame, combining the 62mm G30-900 compressor with the larger internal wastegate housing, V-band connections and a 0.5 bar actuator set by Garrett. Garrett rates it at 550 to 900 horsepower on engines from 2.0L to 3.5L. This is the configuration for a 3.0L to 3.5L engine or a high revving build pushing toward 900 horsepower. For a street engine that needs boost below 4,000 rpm, the 1.01 A/R will feel slow, and the 0.83 A/R or a G-Series II G30-825 is the better buy.

Features

1.01 A/R stainless steel internal wastegate housing with V-band inlet and outlet
62mm compressor with a maximum compressor efficiency of 77 percent, by Garrett figures
Mar-M alloy turbine wheel rated to 1050C (1922F)
Fully machined speed sensor and pressure ports

Specifications

Compressor inducer and exducer: 62mm and 76mm
Compressor trim and A/R: 65 and 0.72
Turbine inducer and exducer: 60mm and 55mm
Turbine housing: 1.01 A/R, V-band inlet and outlet
Wastegate actuator: 0.5 bar
Maximum turbocharger speed: 145,000 rpm
Rotation: Standard

What’s Included

G30-900 turbocharger with 1.01 A/R internal wastegate housing and actuator
Oil restrictor and water fittings

Applications

The G30-900 Turbocharger is not vehicle specific. Garrett sizes it by engine and output:

Engine displacement: 2.0L to 3.5L
Power range: 550 to 900 horsepower (Garrett rating)

Notes

A 0.83 A/R G30-900 is available for builds that need earlier boost
The Garrett speed sensor kit is sold separately
Garrett states that running above 145,000 rpm is at the owner’s risk and can cause damage and premature failure
The engine calibration must be revised for a turbocharger of this size

Frequently Asked Questions

Is the 1.01 A/R G30-900 Turbocharger too big for my engine? It can be. The G30-900 Turbocharger with the 1.01 A/R housing is built for engines that make their power high in the rev range, ideally 3.0L to 3.5L or a hard-revving smaller engine. On a 2.0L street engine it will build boost late, and the 0.83 A/R version is a better match.
How much horsepower does the G30-900 support? Garrett lists 550 to 900 horsepower on engines from 2.0L to 3.5L. The rating comes from the choke flow of the compressor map and describes potential flywheel horsepower. With the 1.01 A/R housing, an engine with the fuel and calibration to match has the best chance of reaching the top of that range.
What maximum shaft speed does Garrett publish? Garrett publishes 145,000 rpm as the maximum allowable speed for the G30-900. Above that, operation is at the risk of the owner and can cause damage and early failure. A speed sensor in the compressor housing lets the tuner see how close the engine runs the turbocharger to the limit.
Will G30 free-float housings fit the G30-900 core? Yes. Garrett lists free-float G30 turbine kits for the G30-900 super core in 0.61, 0.83, 1.01 and 1.21 A/R with V-band inlets, plus T3 and divided T4 options. Those suit external wastegate builds, while this complete turbocharger keeps the internal wastegate.
Does Garrett calibrate the wastegate? Yes. Each G30-900 turbo assembly is calibrated by Garrett with a 0.5 bar actuator. Target boost is then set with a boost controller and the engine calibration. The 0.5 bar figure is the spring baseline, not the boost the finished engine runs.

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 G30-900 Turbocharger, 1.01 A/R V-Band Internal Wastegate [880704-5009S]

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Garrett G30-900 Turbocharger, 1.01 A/R V-Band Internal Wastegate

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About Garrett

Reviews