This manifold kit is designed to fit a wide range of engines. The vacuum hoses and other connections may vary from year to year on these various engines. Our manifold is designed to accomodate all of the different engine configurations. As a result, you may not use all of the fittings or vacuum ports on this manifold. When you begin to disassemble your current engine, please pay special attention to all the various hose connections and mark or tag them in some way so that you can properly reconnect them to your new manifold. Plug any unused vacuum ports.

This is very important. The majority of the tech calls we receive are due to confusion on how to hook up these various lines. It is impossible for our tech people to help because of all the different configurations Ford has used. So it is critical that you keep track of the hose connections yourself before taking them apart.

Removing Original Manifold:
1. Disconnect the negative cable from the battery. Drain coolant. (Not required if installing Upper Plenum only.)
2. Disconnect electrical connections, linkages, control cables, vacuum hoses, ventilation hoses, and coolant hoses at throttle body and manifold. Note: Do not disconnect fuel lines unless absolutely necessary. Special steps and tools are required to re-connect fuel lines.
3. Remove distributor cap with wires intact. Mark a reference point on distributor for rotor alignment during re-installation. Remove retaining bolt and distributor.
4. Remove cover plates, retaining bolts, upper intake manifold and gasket. Note: If you are installing only the Power+Plus Upper Plenum, proceed to Step #7 of the “Installing New Manifold” Instructions.
5. Remove accessory brackets attached to lower manifold. Remove heater tube assembly from lower manifold. Remove retaining bolts attaching manifold to heads. Remove manifold, gaskets and seals.

Installing New Manifold:
1. Clean all gasket surfaces on head and block. Apply a 1/4- inch bead of RTV silicone sealer at junction of cylinder head and block surface before gaskets are installed.
2. Note: Fel-Pro #1250 Intake Gasket Set is highly recom- mended for street use. Non-embossed high performance gaskets will deteriorate in street driving conditions. Apply gasket sealant to the manifold mating surfaces and the head surfaces where gaskets contact them.
3. Install intake manifold gaskets on each head.
4. We recommend eliminating the end seals and instead use a 1/4-inch high bead of RTV silicone sealant across the front and rear block end seal surfaces, overlapping the intake gaskets.
5. Install lower intake manifold and retaining bolts. Torque bolts to 15-18 lb. ft. Follow bolt tightening sequence in Figure #1. See back of this flyer.
6. Install injectors and fuel rails to new manifold. Use new “O”-rings. Use only specified fuel resistant brown “O”-rings. Lightly coat “O”-rings with clean engine oil before installing. Clean fittings and replace garter spring if necessary.
7. Install Upper Plenum and gasket. Do not use any sealant on this gasket. Use supplied bolts and studs as shown in Figure #1. Note: Upper Plenum must be positioned so that throttle body is not on driver’s side of vehicle. It must be on passenger’s side. Note: If you install a Power+Plus Upper Plenum on an Edelbrock early Performer Manifold (#3821), there are two bolt holes that are not used. See Figure #1. Do not overtighten Upper Plenum to Base Manifold. Use a short box or open end wrench only.

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