Re: Sanity check - vacuum advance

[Audial <Audial@aol.com>]

Phil Payne wrote:

>The hoses are fine - but the diaphragm in the distributor responsible for 
>vacuum-operated advance/retard doesn't hold vacuum _at_all_.  Doesn't even
>seem to try.  I know a running engine can suck a whole lot harder than a
MityVac, 
>but I would expect it to at least _try_ to hold vacuum.  No deal.
 
>This is a n/a I5 "JS" engine.  Anyone had this fault?

I've never had this problem, but I don't think you're insane, either.  I'm
prepared to believe that it should be _sensitive_, meaning that you should be
able to get _some_ movement with an engine, a mityvac, a mouth, etc,...unless
there's something I'm missing.  Otherwise, why the hell have it in the
ignition system unless it is _very_ primitive?  That doesn't make sense, to
me.

BTW, who's this sanity check supposed to be for? ;-)

Best,
Alex