nisssan motors

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Nissan motors: how to read the engine codes

:: nissan motors ::

Before getting all pumped up with the idea of swapping Nissan motors, it’s smart if you get an idea of how to read engine codes. Basically, the engine code is divided into 5 consecutive parts. A good example is: RB26DETT. In this case we would separate the code into 5 parts as follows: RB-26-D-E-TT. Each of these letters mean something believe it or not. Let’s check out each part in more detail. The first two letters of the code represent the motor series. In our example that would be the RB engines series, which mainly corresponds to the Skyline autos. Other examples are: VQ, QR, VG, VE.

The second part of the code represents the engine’s displacement measured in liters. It’s easy to see that in the example above we’re talking about an engine with a displacement of 2.6 liters. The D is the Valve train. There are three letters each representing a type of valve displacement: Absent is for SOHC, D is for DOHC, and V is for variable valve WITH DOHC. E stands for the type of fuel delivery. Absent would be carburetor, E goes for multiport injector, I goes for throttle body injection and D goes foe direct injection. Finally, the last set of letters represents the type of mechanism for forced induction. Absent means it doesn’t have any, T is single turbo, TT is double turbo and R is supercharger forced induction. Now you can go ahead and read all the Nissan motor codes like a pro.

 

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