vacuum advance idle issue?

nm9stheham said

Along those lines, if the car has been sitting for a while, the fuel will be broken down and crappy and will tend to knock badly. Did you get all of the old gas out? If not, time to do that before you go ANY further. It will not just knock, but will varnish up the intake guides badly and cause the valves to stick/sieze (intakes in particular). That will cause bent pushrods.

Just dumping fresh fuel in with the old bad fuel will not fix this.

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You never REALLY know till you put your own two eyes but, the guy i got it from pullepd the tank cheched and cleaned it. Dosent SMELL like it either andthe iv used more than 1 tank. It runs too good in the high end, dosent smoke. Tho ongly funky smell it makes is the lame-O fake spray on chrome finish on the tailpipe burning off.
I can get it to run really really good...way to good for something like that or valve issue...just wont idle all hooked up. Theres no obvious sign of rust/corrosion on the filler neck...im suspecting the distributor itself...or thethe guy who swithed it over from points in thee first place.