LBO730 Posted March 17, 2010 Share #1 Posted March 17, 2010 Does anyone know off hand what the tightening torque should be for the header nuts on a 75 280? Also, wonder if there would be any problem with using stainless steel nuts and washers on the factory studs? I've searched the FSM and found the specs for the intake but not the exhaust.Bryan Link to comment Share on other sites More sharing options...
Mike B Posted March 18, 2010 Share #2 Posted March 18, 2010 Not sure if it applies to a 280Z, but for a 240z it is 5.8 to 8.7 ft lbs.http://www.classiczcars.com/forums/showthread.php?t=35458-Mike Link to comment Share on other sites More sharing options...
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