Thread: Spark Plug Recommendation
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Old 02-18-2009, 03:33 PM
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Be careful about installing the plugs, use a torque wrench. 10 to 15 Ft-Lbs I would imagine. Use a no-bind compound made for plugs.

The last Roush SB engine I looked at had Motorcraft SP-447 (AGSF32C) plugs.

Bob
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