240hoke Posted March 15, 2003 Share Posted March 15, 2003 My car is giving me a real headache. It is a 1974 260z with a 280zxt egine and SDS engine managment (fuel and ign.). The car runs real good and strong all the way up to about 4500- 5000 rpms. At that point the car's tachometer goes crazy and the engine wont rev any farther. My hall sensor is close to the magnets and everything seems to be lined up correctly, i even have the knock sensor turned off. I am also not getting any type of error message on the programmer. The engine seems to be running fine, at 4500 rpms and 7 psi its putting out 181hp and 224 ft/lbs of torque. Any ideas on what could cause this? -Austin Quote Link to comment Share on other sites More sharing options...
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