is this really true? being mechanically challanged, i was under the
impression that the mixture was controlled entirely in the carb.
i know that running the wrong timing can be a bad thing, but i
did not know the timing can affect the mixture.
-- michael galloway
'78 spitfire
As Said By Brian N. (bwnbcg@sjm.infi.net):
> Sean Johnson wrote:
>
> Sean-
>
> The cams were possibly a little different in these engines. But the
> main reason for the timing difference is that the older engines were
> timed with the vacuum advance disconnnected from the distributor and
> capped. The later engines had a vacuum RETARD distributor and the
> timing was set with the vacuum ATTACHED. If you capped the retard, you
> will find the reading close to the 10 BTDC of the advance type. Be
> careful not to get the timing out of spec on a catalytic converter
> model, or you can run too rich and burn up the cat and the car. That's
> why they are call Spitfire.
>
> Brian
--
-- m
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