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hi, just hook up the vacuum for the egr(ported) that is only vacuum when the gas is applied or use a block off plate for the egr .
you dont really need any other vacuum hose except for the vacuum advance on the distributor and the pcv valve .
if you want to keep it simple...
make sure the choke plate is wide open or the choke linkage is not sticking -I am sure you checked that though .
have you sprayed carb cleaner around to check for vacuum leaks ..jazzmaster ..
if you have a vacuum controlled heater switch you will need that still hooked up from the manifold vacuum too.
are you just trying to simplify this system ?
you can pretty much remove most of the vacuum hoses associated with the air pump system and even the vacuum hoses to the air cleaner ,being that this is a 1985 ,most of all the vacuum hoses and switches were for emissions things .
ford did seem to have many many vacuum hoses and vacuum controlled devices .
whenever I had (my own cars) and simplified the emissions .I would run only what was needed at that point .-which was pcv/heater control valve /distributor .
most times the emissions parts cannot be obtained anymore .then you have just a bunch of vacuum hoses pretty much going nowhere and doing nothing
I usually just removed them all and used what I needed .be it direct or ported vacuum ..
all other I plugged /capped off .
no, unless the a/c works but otherwise no it won't
ok, the heater valve works from vacuum coming from the heater control in the dash ...
so you need the vacuum from the manifold that goes into the vehicle for that ..
do you still need help with this question ?