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PERFORMER RPM 330-403 MANIFOLD
CATALOG #7111
MODEL: Oldsmobile 330/350/403 c.i.d. V8
INSTRUCTIONS
• PLEASE study these instructions, and the General Instructions, carefully before installing your new manifold. If you have any ques-
tions or problems, do not hesitate to call our Technical Hotline at: 1-800-416-8628, 8am-12:30 and 1:30-5pm PST, weekdays.
EGR SYSTEM: This manifold will not accept stock EGR (exhaust gas recirculation) equipment. EGR systems are used on some
1972 and later model v
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MANIFOLD TORQUE Install the 3/8"-16 x 2" header bolts and 3/8" AN washers supplied in positions #6 and #7 of Figure 1. Torque all manifold bolts cir- cled in Figure 1 to 25 ft/lbs. See Figure 1 for proper sequence. FIRING ORDER AND CYLINDER NUMBERING For cylinder numbering and firing order, see Figure 2. FINAL TUNING FOR OPTIMUM PERFORMANCE 1. Due to design, the fuel / air mixture and cylinder charging are very efficient with the Performer RPM manifold. Generally speaking, the stock jetti
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GENERAL INSTRUCTIONS FOR INTAKE MANIFOLD REMOVAL AND INSTALLATION The following instructions must be carefully studied and understood before you remove your stock manifold. Failure to follow these instructions may void the warranty. NOTE: Included with your Edelbrock manifold package is a separate manifold instruction sheet. That instruction sheet lists carburetor selection, installation parts, modifications (if needed), and all technical specifications. This must be read carefully. If you h
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FOR WARD FOR WARD FOR WARD HOOD CLEARANCE THINGS TO DO BEFORE YOU REMOVE THE STOCK MANIFOLD C D TOOLS AND EQUIPMENT: E B Use the following checklist for items needed: A ❑ Box and open end wrenches ❑ Socket set ❑ Distributor wrench ❑ Pliers (channel locks and hose clamp) ❑ Screw drivers (regular and Phillips) Fig. 2 ❑ Torque wrench ❑ Hammer MANIFOLD AND CARBURETOR HEIGHT: ❑ Gasket scraper or putty knife 1. Remove the air cleaner. ❑ Timing light 2. Lay a straightedge (such HEIGHT B ❑ Vacuum gauge
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AIR CLEANER: BRACKETS: You may require some bracket parts or bracket modification when Use stock air cleaners unless changing carburetor. replacing a 2-bbl carburetor with a 4-bbl carburetor. Refer to the manifold instruction sheet for Edelbrock and OEM part numbers NOTE: If a new or replacement air cleaner is used, there may be needed and drawings of possible parts modification. inadequate hood clearance. Make sure it performs the same function as stock and meets legal emissions requirements. C
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REMOVING THE STOCK MANIFOLD: INSTALLING YOUR EDELBROCK MANIFOLD 1. Disconnect battery. PORT SURFACE CLEANING: 2. For ease of installation, keep all parts in some sort of order. See Figure 6. To prevent gasket pieces from falling into ports and WARNING: Do not remove manifold if engine is hot. combustion chambers when cleaning old gaskets from head 3. Drain radiator coolant (drain plug will normally be located on lower surfaces, lay rags in lifter galley and stuff paper or rags into ports. right
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3. Within a few minutes gaskets and surface will become tacky to the THERMOSTAT: touch. Carefully place gaskets on head surface, aligning ports and 1. To ensure proper function of your thermostat, place it in a pan of bolt holes. boiling water. It should open quickly to the wide open position. If questionable, replace it with one for the correct year and model of 4. With Gasket in place apply a small amount of RTV High Temp your vehicle. silicone sealer around water passages intake manifold side
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SETTING THE ELECTRIC CHOKE: 6. Disregard previous mark placed on distributor. 1. There will be an index mark on the choke cap and there will be 7. Install distributor so that rotor lines up with new mark and points adjustment notches on the choke cap housing. For initial setting are just open or magnetic trigger wheel aligns with sensor. make sure index mark is in the center of the adjustment notches. 8. Final setting to factory specifications is made with a timing light. See Figure 11. NOTE: Ro
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FOULED PLUGS AND OIL LEAKS: 1. Failure to re-torque manifold. 2. Incorrect manifold gaskets and sealant. 3. Faulty PCV valve or use of incorrect PCV valve. 4. End seal slippage or failure to use enough RTV sealant in place of end seals. AUTOMATIC CHOKE PROBLEMS: Failure to follow instructions completely or clogged exhaust crossover passages. POOR MILEAGE AND/OR PERFORMANCE: 1. Incorrect selection of manifold for engine application. 2. In correct carburetor choice. 3. Re-curving distributor curve
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Edelbrock replacement manifolds are designed to maintain high vacuum at cruise throttle position and sharp throttle response with minimum throttle opening. Unnecessary demands on the added performance will affect mileage. REFERENCE SYMBOLS & NOMENCLATURE MANIFOLD INSTALLATION AND CARBURETOR SELECTION SIMPLIFIED To simplify the selection of all parts necessary for a complete intake manifold selection, Edelbrock has developed a system which includes packaged accessory pieces intended to allow “on
