Dick, For just a couple of buck you can buy a little plate that goes on
the front of the gear that you fold a tab over the side of the bolt,
locking it in place. I have never had the cam bolts come lose
anyway. Doug Odom in big ditch
Dick J wrote:
>
> ON THINGS THAT GO "BUMP" in the block.
>
> Being an old motorcycle racer, one of my rules of
> mechanical application is: "Arggghhh, safety wire
> - -good." Consequently, when I installed the new
> cam, I drilled and safety wired the timing
> sprocket bolts. When I ran the wire back to the
> starting point and finished twisting it, I
> snipped it off and folded it back over the head
> of the bolt.
>
> I had no idea that the head of the bolt passed in
> such close proximity to a tiny spot weld inside
> the timing cover which holds the timing indicator
> in place on the outside. Every time that bolt
> went by that little weld bead - -"thump" from the
> safety wire.
>
> I'm gonna fold the new safety wire flat along
> side the bolt head.
>
> BTW, how much play (slack) is acceptable in a SBC
> double roller chain?
>
> Dick J
> In East Texas
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