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Home > Nissan Sklyine Camshafts

Nissan Skyline
Nissan Skyline
Nissan Skyline
Nissan Skyline
Nissan Skyline Camshafts


Tomei poncams are a fantastic upgrade for a Nissan Skyline they are a direct swap so no modifications to the drivetrain are needed. Generally, engine tuning is to modify the torque characteristic of engine by changing cam duration timing and height of the cam lift, so as to gaining maximum torque and horse power. However, when tuning the engine strictly, it should be carried out with the idea of securing effective area of the valve not only by duration timing and height of the cam lift, but also by through improvement of its intake efficiency. High valve lift allows huge amount of air to flow in, yet it mechanically damages the system and gains friction loss. Also, wide cam duration will deriver great power at high RPM, but it gives rough engine character at low RPM too. Tomei have worked to get an ideal well-balanced profile of camshaft and succeeded to give it 1.3 to 1.5 times more effective area than regular camshaftsTomei have been developing and producing their original camshafst ever since TOMEI established. Still today, they are providing high performance camshaft to many racing teams and winning lots of titles.

Type A
In order to get stable idle and raise low-mid RPM torque, we set the duration of EX camshaft shorter.
Best suit used with stock turbine or N1 turbine.

Type B
By giving longer duration timing than type a, it eables to raise both response and peak power at the same time, even with mid-large sized turbine.

R32 GTS-T(RB20DET) - Duration: IN,EX 256 Lift: IN,EX 8.5mm
R33 GTS25-T (RB25DET) - Duration: IN,EX 256 Lift: IN,EX 8.5mm
R34 GT-T (RB25DET NEO) - Duration: IN,EX 252 Lift: IN,EX 9.15mm - type A
R34 GT-T (RB25DET NEO) - Duration: IN,EX 260 Lift: IN,EX 9.15mm - type B
R32/R33 GTR (RB26DETT) - Duration: IN 260, EX 252 Lift: IN,EX 9.15mm - type A
R32/R33 GTR (RB26DETT) - Duration: IN 260, EX 260 Lift: IN,EX 9.15mm - type B
R34 GTR (RB26DETT) - Duration: IN 260, EX 256 Lift: IN,EX 9.15mm - type A
R34 GTR (RB26DETT) - Duration: IN 260, EX 260 Lift: IN,EX 9.15mm - type B

 

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