Multiple files inside this link.  Click download this file to see them all. Here's what we have included: Fuel-1973 240z 1974 260z fuel system modifications.pdf 280zfuelinjectionbook.pdf Datsun_Tune-Up_&_Repair.pdf Datsun_Tune-Up_&_Repair_1961-72.pdf General-Datsun Torque Specifications.pdf Tuning_SU_Carburetors.pdf