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Old April 14th, 2008, 06:54 AM   #5
95geo
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Quote:
Originally Posted by clint357 View Post
I see some bumpers with about 8 holes on each rail, but when you figure that the shear strength of each bolt is 8,000lbs..... I also got into an accident with my last bumper that just tied in with the 3 stock holes and none of the bolts sheared when it pushed the engine of an f-150 off of the frame rails.
you need a lot of surface area when bolting things to sheet metal, the bolts are plenty strong but they will pull out of the mating material.
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