There was evidence that one of the bolts holding the steering arm had been
cracked for a while, although it might just have been a rough weekend at
Blackhawk (before they repaved).
-----Original Message-----
From: mg72racer@juno.com [mailto:mg72racer@juno.com]
Sent: Tuesday, April 26, 2005 3:11 PM
To: wsthompson@thicko.com
Cc: John.Deikis@med.va.gov; spridgets@autox.team.net;
team-thicko@autox.team.net
Subject: RE: Grade 8 Bolts In Suspensions
If I understand the description of Red Rat's failure, it was a steering arm
that let go. Loads on this part would put the fastener in tension,
and thus a grade 8 would be appropriate. The hardware used at the corners
of the A-arm and upper trunion are soft as those components subject the
fastener to shear loads.
My opinion without credentials.......
Mal Fay
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