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I got my spacer and gaskets off fo ebay brand new for 15 bucks. The only reason I got the spacer is cause I needed more clearance to clear my FPR. If you get a spacer you also need longer bolts. So if you dont need extra clearance I wouldnt bother with the spacer.

You are correct you car can install the A.C.T. sensor on your air inlet tube.

I dont think the coolant lines going to the Throttle body make much of a difference if they are on or off. My car ran great with them on and it runs great with them off.

The throttle body bolts that you have to transfer over to the explorer intake are the 4 bolts that hold the throttle body and EGR spacer on.

Everything transfers over to the explorer intake with out any problems.

Take your stock upper intake and the Explorer upper intake flip them upside down and figure out which vacuum ports you are going to use and which ones your not going to use. To plug them off you can slip a rubber nipple over the ones that you are not using. I pulled out the metal vacuum lines tapped the holes and screwed in set screws on mine, but that is probably overkill.

I will send you some pics tonight.

Later,