Quote:
Originally Posted by Billy Mild
I thought the secondaries were actually in the injector housings. I am referring to the valves themselves.
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The secondary throttle plates are in the cylinder head at the IH/Cylinder head interface. As Lee stated, when I port matched to the IH, I only did the primary ports. I did do the head match w the heads on the motor. My garage looked a bit like a a surgical theatre w plastic wrap over the motor and only an opening over the cylinder I was working on. Used pillow foam to block the runners and would vacuum everything before removing that. As a final, I used 6" QTips dipped in Vaseline to clean up any burrs by the valves.