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Re: Yet another gas tank issue/question
well I am not an engineer, but my understanding is:
gr8 is stronger than gr5 in both clamping force and shear force
gr5 will bend further than gr8 before failure but gr8 takes more force to bend to failure than gr5
specs I looked at support that
Maybe if the application involved repetitive flexing of the bolt lightly loaded gr5 is better? But I think for the shackle mounts in question we have already failed if the bolt is flexing. One reason I prefer gr8 here is that the fine thread gets you tighter and that metal-metal pressure resists shear.
But I am not an engineer.........
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