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Torque Angle vs Torque to Yield
Okay, let's talk about head bolts.
A lot has changed over the years with manufacturers coming up with so many different engine designs all trying to get a lighter, more efficient power plant. The problem with going lighter means castings are thinner and aluminum is the choice of most design engineers. This light and flexible material has created a whole new set of problems when it comes to cylinder head sealing.
