Dave,
According to Haynes (page 146) the disk thickness (new) is 0.34 to 0.35 in.
Minimum after refinishing is 0.30 to 0.31 in.
Bud Krueger
Ericsmgs@aol.com wrote:
> Dave,
> Off the top of my head, the minumum thickness for the rotor is about .3". In
> other words, you can usually turn them once, if you're lucky. Thank goodness
> they are cheap!
>
> On the front muffler, the 72 should have had a round front muffler, about 3
> 1/2" or so, about the size you describe. I think they were original glass
> packed, but that does seem to blow itself out after awhile. The replacment
> mufflers will all have slip joint connections just like the factory, and you
> can weld them in or clamp them. For the cost, I always just replace the
> entire system at once and be done with it. It is just too much trouble
> getting the old rusty connections apart!
>
> Good Luck!
>
> Eric Swanger
> USA
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