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All of the below measurements were taken at the cam, not at the valve. The duration figures at the valve are quite different from those taken at the cam because of the radius rocker arm.
ROCKER RATIO: NAP-Z=1.44:1 240SX=1.47:1 AVG.
BOTH OF THESE PERFORMANCE PROFILES WORK EXCEPTIONALLY WELL WITH THE STOCK FUEL INJECTION. WILDER PROFILES ARE AVAILABLE BUT ARE NOT PRACTICAL UNLESS MAJOR MODIFICATIONS ARE DONE TO THE ENGINE.
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