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Old 08-11-2013, 12:22 AM   #8
kodyo
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For what it's worth, 41 ft-lbf seems right for that size bolt (assuming its an M10 or M12). Be extremely careful not to go a large amount over that value. I would stay less than 50 ft-lbf if it was my car. Use these values at your own risk. I don't know what lubrication factor is acceptable for these bolts or the coatings that were applied. I didn't run any calculations and don't claim to know the designers intended preload. Strength of bolt also plays a key role in this, and I don't know the strength of the bolts being used.
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