For a 3.8L Mercury Cougar, the intake manifold bolts should typically be torqued to around 15-20 ft-lbs, but it’s important to consult the specific service manual for your model year for precise specifications. The torque sequence usually starts from the center bolts and works outward in a crisscross pattern to ensure even pressure distribution. Always follow the manufacturer's guidelines for torque specifications and patterns to avoid damage to the intake manifold or engine.
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