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I was doing some tune up stuff on my 240 wagon over the weekend and noticed something strange.
On the top, right side (passenger side) of the intake manifold there are two vac. ports. One is for the flame-trap and one is for the ignition module timing advance. The one toward the front of the engine is slightly smaller than the one toward the rear of the engine.
I noticed that the vacuum schematic on the radiator support shows only the ignition module vac. line but the schmatic looks like the line is attached to the larger one at the rear (it only shows one port). My ignition module line is attached to the smaller on at the front and the flame-trap is attached to the larger rear one.
What is the right configuration?
My Haynes and Chilton maunuals were no help on this.
Any help is greatly appreciated.
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