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Posted by Daryl in Oz [210.50.228.4] on Tuesday, May 10, 2011 at 01:22:32 :
In Reply to: Kinda' off topic (again)..... posted by Doinco [68.177.210.80] on Monday, May 09, 2011 at 18:27:57 :
Use grade 5's, make them tight in the hole and go for it. You will be able to pick the truck up by the new cross-member and if anything bends or breaks it won't be the bolts.
For the same diameter bolt the difference between grade 5 and 8 for shear strength is about 10%. Look here -
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