Nissan 240sx

The 240SX is a sports car that was introduced to the North American market by Nissan in 1988 for the following model year (1989). It has a tremendous cult following and this is a page archiving some of the more popular mods to the car.

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Finding the valve guide clearance for SR20DET

How do I find the valve guide clearance for my Nissan SR20DET engine?

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Install the valve guide in the cylinder head.

Measure the gap between the Valve Stem to Valve guide.

The required gap is listed below. Please make the necessary adjustments to meet this specification.

Intake Side: 0.03mm to 0.04mm

Exhaust Side: 0.04 to 0.05mm

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Author avatar Nicole will be eternally grateful.
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