Nissan Motors uses a straightforward method of
naming their automobile engines. The first few letters
identify the engine family. The next digits are the
displacement in deciliters. The following letters identify
features added.
Letter Feature
D DOHC,
Variable Valve Timing, or Direct Injection
E
Electronic Fuel Injection
I Throttle Body Fuel
Injection
S Electronic Controlled Carburetor
R Supercharged
T Turbocharged -
this can also stand for Twin Carburetor
TT
Twin-Turbocharged
V Variable Valve Timing with
Lift
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