How to Improve Diesel Performance & Power

Written by tzvi raphael
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How to Improve Diesel Performance & Power
Learn how to improve diesel performance and power. (pickup 4x4 car from above image by alma_sacra from

Until the 1990s, if you wanted to improve your diesel engine's performance and power, you had to fiddle with carburettor settings to get an increase in horsepower. Today, performance chips adjust all the functions that used to be changed with a screwdriver. Diesel performance chips can modify the fuel injection, timing, and hundreds of other functions. Many of the diesel performance chips utilise a combination of two techniques, and some chips use all of them. There are several ways to improve diesel performance and power using diesel performance chips.

Skill level:
Moderately Easy

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Things you need

  • Diesel performance chip

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  1. 1

    Add more fuel to the engine with a diesel performance chip. The chip is programmed to hold the fuel injectors open for a longer amount of time. This allows more fuel to be injected into the cylinder. More fuel gives your vehicle's engine more power.

  2. 2

    Adjust the timing. This is an efficient way to improve performance. Select a chip that automatically adjusts timing, so your fuel will get into the cylinder earlier. When this happens, you get more power from the fuel you are using.

  3. 3

    Increase line pressure in the fuel rails with diesel performance chips. When pressure is increased, more fuel is injected and this creates more power.

  4. 4

    Avoid biodiesel and ethanol blends. They are great alternatives for the environment, but most blends will slightly reduce the power of your engine.

Tips and warnings

  • Make sure you buy the model of performance chip that corresponds with your vehicle.
  • When using diesel performance chips, remember to have a professional mechanic install the chip for you.

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