![]() ![]() He said your center carb is too rich and put a smaller jet size in. he said, oh your car is not getting very good mileage is it ? I said well, no it never has. Again, after going to the "right mechanic". and always idled a little rich (black on the concrete under the exhaust). Our car was bought new by my grandfather. I would put new vacuum lines on with clamps. You should check to see how much vacuum you have doing to the switch and check to see if the vacuum reservoir on the firewall holds vacuum. so I wouldn't floor the car with people or a parade in front of you. if it take 1 second to come on it probably take 1 second to come off. I think GM may have put the vacuum control on to give the transmission time to downshift.Ī vacuum switch exists on the center carb that needs to be adjusted to deliver vacuum to the pod so that the carbs will come on. A lot of guys convert the vacuum linkage to a mechanical linkage. The 2nd vacuum pod takes about 1 second, about the time that it takes for the transmission to downshift. The first vacuum pod took about 3 seconds to engage the carbs. After going to the "right mechanic", I found out that you really need a vacuum pod with at least 1/4 inch intake. I bought a new vacuum pod for the first re-build. The front and rear carbs are pulled on by a vacuum pod. The shop that did the work produced an okay running car but not really great- even ran it on a dyno. and had the engine/carbs rebuilt 2 years ago. ![]()
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