Reply to "Bolt Grades"

Bosswrench. (Guest)

Stainless from someone like ARP would be fine. Sorta-stainless from a corner hot-rod shop or the hardware store is another story. Finally, consider what Smokey Yunick said in one of his books- 'never use Grade 8 bolts in any stressed application! There are NO Grade 8s in aircraft, and the FAA does not allow them during its inspection program'! This from someone who was a crewchief for Ford's GT-40 LeMans program, built & ran Indy-cars, NASCAR stockers, formula cars and still runs several, one for his grandson. The idea is, a Grade 5 will deform if overstressed; a Grade 8 will snap.... Lesson noted!

2/22/017:34 AM

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