How to Adjust the Boost on a Nissan Patrol RD28T

Written by jeff slater
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How to Adjust the Boost on a Nissan Patrol RD28T
(turbo image by Elijahu from

The Patrol RD28T is a full size sport utility vehicle endowed with rugged off-road capabilities, thanks to an available 4X4 system. In production for over six decades in various markets, the Patrol is poised to make its North American debut in 2011 -- as part of Nissan's upscale Infiniti brand. The RD28T version is equipped with a 2.8L SOHC (single overhead cam) 6-cylinder turbo-diesel engine; that delivers 125 horsepower and 86.2kg-ft of torque in stock trim. A moderate boost psi (pounds per square inch) increase with a low cost manual boost controller, is a relatively simple and effective way to gain extra performance without sacrificing reliability.

Skill level:

Things you need

  • Manual Boost Controller (MBC) Kit

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  1. 1

    Attach one end of the controller to the turbo source, located near the compressor outlet.

  2. 2

    Connect the other side to the waste gate actuator with vacuum line.

  3. 3

    Secure the manual boost controller using the zip-ties to the radiator mount, or other area away from the exhaust manifold.

  4. 4

    Rotate the knob on the controller clockwise to increase psi, and check boost levels by performing a full throttle pull.

  5. 5

    Adjust the MBC as necessary to achieve desired boost setting. A 2-3 psi increase will provide a significant performance boost without putting excess strain on engine components.

Tips and warnings

  • Upgrading the Patrol's intake and exhaust systems with high-flow units, will further increase power gains.
  • Perform testing on a closed road or track.
  • Raising boost beyond factory specifications can result in severe engine damage, use caution.

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