Brian,
That's a good question. The same is true for the later distributors
Hitachi made for Nissan, even the electronic units. My best guess is
one slot is made extra long and the short slot, which determines the
amount of mechanical advance, is made with much more precision. The
longer slot has no effect on the amount of advance.
Gary
Brian Hollands wrote:
>The slots in the dist cam in which the advance weights travel are of
>slightly different lengths. Why? Intuitively this doesn't make sense.
>
>
>
>Brian '69 2000
>
>Tampa, FL
>
>web.Tampabay.rr.com/oilleak
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