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1975-79 Datsun

  1. With choke cover removed, place fast idle adjusting screw on 2nd step of fast idle cam and measure clearance between primary throttle plate and throttle bore.
  2. To adjust, turn fast idle adjusting screw until clearance is 0.039 - 0.045" (1 - 1.14 mm) for automatic transmission equipped vehicles or 0.029 - 0.034" (0.73 - 0.87 mm) for manual transmission equipped vehicles. See Figure.