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Message: [QUOTE="golfer, post: 608256, member: 266"] in our experience..the torque number can be misleading...and allow for mis installations... most of the time the the torque wrench would 'click' at the specified torque...AS the copper washer jusssssst starts to come into contact with the bottom of the injector cup (in the head)... if you 'power through' that first click...then you'll be able to get another turn +/- on the torx bolt/hold down bolt..as the copper washer 'gives' and the injector is pulled firmly against the cup...creating the SEAL between the body of the injector and the combustion of the cylinder. our instructions are explicit, and (if followed) will not allow for mis installation..& non-crush of the copper. I've attached the 6L inj install instructions we ship out with every set of injs... FWIW (and no offense to tenured "Ford" mechanics)...but we see more injector installation screw ups from the mechanic [B]"who's been doing this for 20 years"[/B] LOL...since they (generally) do not/will not read the instructions.. obviously...a good installation is a good installation regardless of who does it...but for mechanics who've done a thousand installs on 7.3Ls...are generally the ones that completely fubar the 6L inj installs since the injector (6.0L) never gives the installer good, positive, [I]definitive[/I] feedback that IT IS SEATED...since it's just being slowly drawn into the cup a half turn at a time..as opposed to being 'slammed' in and tightened... [/QUOTE]