Re: Retorque Heads
No matter which studs or nuts you are using there is always the need to re-torque unless you have purchased the, very expensive, MLS(Multiple Layer Steel) gaskets. The instruction regarding loosening before re-tightening is spot on. The condition often referred to as "stick-slip" can require much higher force to break the bolt or nut loose than the torque spec calls for. I suggest selecting one of the nuts which seems not to move and mark the position then loosen and re-torque and take a look at the new position.
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