Is the GT2860R Turbocharger a bolt-on for the RB26DETT?

Yes. Garrett lists the GT2860R Turbocharger, part number 836026-5005S, as a bolt-on upgrade for the Nissan RB26DETT. The engine runs two turbochargers, so a pair is needed. Supporting fuel parts and a calibration are still required to make use of the extra flow.

How much power does Garrett rate the GT2860R for?

Garrett rates the GT2860R at 250 to 360 horsepower on engines from 1.8L to 3.0L. The number is derived from the choke flow of the compressor map and represents potential flywheel horsepower for one turbocharger, so a twin-turbo engine and a single-turbo engine will land differently.

What is the difference between the GT2860R and GT2860RS?

Garrett publishes the same compressor and turbine wheel sizes and the same 250 to 360 horsepower rating for both. The GT2860R part number 836026-5005S is the one Garrett lists as an RB26DETT bolt-on, while the GT2860RS is sold in 0.64 and 0.86 A/R versions for general builds.

Does it include the turbine housing?

Yes. Garrett sells the GT2860R as a complete turbo with its turbine kit and actuator. The turbine housing is 0.64 A/R and internally wastegated, so the engine does not need an external wastegate. Oil and coolant lines and gaskets for the installation are separate.

Is the GT2860R water cooled?

Yes. Garrett lists a ball bearing configuration with a water cooled center housing for the GT2860R. Coolant lines must be connected to the center section along with the oil feed and drain, which helps control heat in the bearing housing after the engine is shut off.

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Description

Garrett GT2860R Turbocharger, 0.64 A/R Internal Wastegate

Garrett’s GT2860R Turbocharger is a complete GT28-frame turbo with a 47mm compressor wheel, a dual ball bearing center section that is water cooled, and a 0.64 A/R internally wastegated turbine housing with its actuator. Garrett rates it at 250 to 360 horsepower on 1.8L to 3.0L engines and lists this part number as a bolt-on upgrade for the Nissan RB26DETT. On an RB26 it is a bolt-on route to more power without changing the manifolds; on a single-turbo 2.0L it suits a build that wants response first, with power topping out in the mid 300s.

Features

Garrett-listed bolt-on upgrade for the Nissan RB26DETT
Ball bearing configuration with a water cooled CHRA
Internally wastegated 0.64 A/R turbine housing, actuator included
Original GT Series aerodynamics with a cast compressor wheel

Specifications

Compressor inducer and exducer: 47mm and 60mm
Compressor trim and A/R: 62 and 0.60
Turbine inducer and exducer: 54mm and 47mm
Turbine trim and A/R: 76 and 0.64
Wastegate: Internal, actuator included
Bearing system: Ball bearing, water cooled

Applications

The GT2860R Turbocharger is sold as a general turbo, with one engine Garrett names. Garrett sizes it by engine and output:

Engine displacement: 1.8L to 3.0L
Power range: 250 to 360 horsepower (Garrett rating)
Garrett-listed bolt-on application: Nissan RB26DETT engine

Notes

The RB26DETT is a twin-turbo engine, so a conversion uses two turbochargers
Garrett’s GT28 turbine kit table lists its 0.64 A/R wastegated housing with a T25 inlet and 5-bolt outlet, and states that other GT28 kits need exhaust modifications to fit
Garrett publishes speed sensor installation instructions for this turbo; the Garrett speed sensor kit is sold separately
Also see the GT2860RS, which Garrett lists with the same wheel sizes

Frequently Asked Questions

Is the GT2860R Turbocharger a bolt-on for the RB26DETT? Yes. Garrett lists the GT2860R Turbocharger, part number 836026-5005S, as a bolt-on upgrade for the Nissan RB26DETT. The engine runs two turbochargers, so a pair is needed. Supporting fuel parts and a calibration are still required to make use of the extra flow.
How much power does Garrett rate the GT2860R for? Garrett rates the GT2860R at 250 to 360 horsepower on engines from 1.8L to 3.0L. The number is derived from the choke flow of the compressor map and represents potential flywheel horsepower for one turbocharger, so a twin-turbo engine and a single-turbo engine will land differently.
What is the difference between the GT2860R and GT2860RS? Garrett publishes the same compressor and turbine wheel sizes and the same 250 to 360 horsepower rating for both. The GT2860R part number 836026-5005S is the one Garrett lists as an RB26DETT bolt-on, while the GT2860RS is sold in 0.64 and 0.86 A/R versions for general builds.
Does it include the turbine housing? Yes. Garrett sells the GT2860R as a complete turbo with its turbine kit and actuator. The turbine housing is 0.64 A/R and internally wastegated, so the engine does not need an external wastegate. Oil and coolant lines and gaskets for the installation are separate.
Is the GT2860R water cooled? Yes. Garrett lists a ball bearing configuration with a water cooled center housing for the GT2860R. Coolant lines must be connected to the center section along with the oil feed and drain, which helps control heat in the bearing housing after the engine is shut off.

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

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Garrett GT2860R Turbocharger, 0.64 A/R Internal Wastegate [836026-5005S]

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Garrett GT2860R Turbocharger, 0.64 A/R Internal Wastegate

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Notes

Frequently Asked Questions

About Garrett

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