Instruction/ maintenance manual of the product 330/350/403 Edelbrock
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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.
• 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.
© 2001 Edelbrock Corporation Brochure No. 63-0048 Page 1 of 8 Rev 1/02 GENERAL INSTRUCTIONS FOR INT AKE MANIFOLD REMOV AL AND INST ALLA TION The following instructions must be carefully studied and understood befor e you remove your stock manifold. Failure to follow these instructions may void the warranty .
MANIFOLD AND CARBURETOR HEIGHT : 1. Remove the air cleaner . 2. Lay a straightedge (such as a yardstick) across top of carburetor from front to back. 3. Measure from block and manifold end seal surface. See Figure 3. 4. Record measurements in blank spaces labeled OM1 and OM2.
© 2001 Edelbrock Corporation Brochure No. 63-0048 Page 3 of 8 Rev 1/02 AIR CLEANER: Use stock air cleaners unless changing carburetor . NOTE: If a new or replacement air cleaner is used, there may be inadequate hood clearance. Make sure it performs the same function as stock and meets legal emissions requirements.
© 2001 Edelbrock Corporation Brochure No. 63-0048 Page 4 of 8 Rev 1/02 REMOVING THE STOCK MANIFOLD: 1. Disconnect batter y . 2. For ease of installation, keep all parts in some sort of order . W ARNING : Do not remove manifold if engine is hot. 3. Drain radiator coolant (drain plug will normally be located on lo wer right facing engine).
© 2001 Edelbrock Corporation Brochure No. 63-0048 Page 5 of 8 Rev 1/02 3. Within a few minutes gaskets and surface will become tacky to the touch. Carefully place gaskets on head surface, aligning ports and bolt holes. 4. With Gasket in place apply a small amount of RTV High T emp silicone sealer around water passages intake manifold side.
© 2001 Edelbrock Corporation Brochure No. 63-0048 Page 6 of 8 Rev 1/02 6. Disregard previous mark placed on distributor . 7. Install distributor so that rotor lines up with new mark and points are just open or magnetic trigger wheel aligns with sensor .
© 2001 Edelbrock Corporation Brochure No. 63-0048 Page 7 of 8 Rev 1/02 TROUBLESHOOTING: Below is a list of the most common problems experienced after a manifold installation. Under each problem, we have listed several possible causes for the problem.
© 2001 Edelbrock Corporation Brochure No. 63-0048 Page 8 of 8 Rev 1/02 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 milea ge.
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If you already are a holder of Edelbrock 330/350/403, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Edelbrock 330/350/403.
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