Edelbrock Two Way Radio 302 400 CID User Manual

VICTOR JR. #2975, Port Matched #2900  
BOWTIE II VICTOR JR. #2972,  
VICTOR JR. TALL #2996 & #2999  
®
VICTOR 4+4 #2976 & VICTOR E #2978  
MODEL: 302-400 c.i.d. Chevrolet V8  
MANIFOLD INSTALLATION INSTRUCTIONS  
Please study these instructions carefully before installing your new intake manifold. If you have any questions or problems, please call our Technical  
Hotline at: 1-800-416-8628, 7:00 am - 5:00 pm, Monday through Friday, Pacific Standard Time, or e-mail us at [email protected].  
EGR SYSTEMS: This manifold will not accept stock EGR (exhaust gas recirculation) equipment. EGR systems are used on some 1972 and later  
model vehicles and only in some states. Check local laws for requirements.  
• VICTOR Jr. MANIFOLD: These manifolds are designed for competition vehicles only! They are not intended to be used on the street as they do not  
have provisions for chokes, emission pieces, etc. The "Tall" versions are identical to their name sakes, but with an additional one-inch of carburetor  
height; thus #2996 is a taller version of the Bowtie II Victor Jr. (#2972) and #2999 is a taller version of the Victor Jr. (#2975). It is the responsibility  
of the end user to verify conformity to a particular racing association’s rules regarding manifold dimensions, fitment to a template, etc.  
• BOWTIE II VICTOR Jr. MANIFOLD: Bowtie II intakes provide maximum performance for engines using unported Chevrolet Bowtie cast-iron heads  
#14011058, #14011034 and #10134392.  
• VICTOR E / VICTOR 4+4 MANIFOLDS: The Victor E and Victor 4+4 are the largest manifold in this series, use them for higher rpm applications  
(5000-8500 rpm) drag racing and alcohol fueled applications.  
NOTE: This manifold has no provision for power brake vacuum. If your application requires manifold vacuum; drill and tap a 3/8” or 1/4” pipe hole  
in the passenger side of the plenum as close to the carb flange as possible. This should be done prior to installing the manifold.  
• ACCESSORIES & INSTALLATION ITEMS: Edelbrock recommends the use of Fel-Pro Intake gaskets #1205 or #1206 depending on engine build.  
Edelbrock continues to expand its line of products, like the new Nitrous Systems, cylinder heads and Russell line of products. Check the Edelbrock  
catalog and website for the current list of matching components.  
• CARBURETOR RECOMMENDATIONS: Standard square bore carburetors 750 cfm or larger.  
• PREP AND TUNING FOR POWER: Optimum cylinder head port opening size should be as close  
6
as possible to the size of the gasket being used.  
Port-match the manifold exits .020" per side smaller than either the gasket being used or the  
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cylinder head port opening, whichever is smaller.  
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7
• MANIFOLD TORQUE: WARNING - Torque the manifold bolts to 25 ft./lbs. in small, even steps  
following the factory recommended torque sequence as shown. If you cannot fit a torque  
wrench on some of the bolts, use a small box end wrench to avoid over tightening.  
1
4
2
3
• CARBURETOR SPACERS: Both engine dynamometer and in-car tests have shown additional  
torque is available by use of a two-inch high open (not 4-hole) carburetor spacer (#8712) on the  
Victor Jr. and Victor 4+4 manifolds. The Victor Jr. Tall and the Bowtie II Victor Jr. Tall are cast  
with an additional one inch of height to the carb mounting flange, and need only a one-inch high  
open spacer (#8710). This normally requires slight re-calibration of the carburetor since small  
losses of fuel signal cause the engine to run somewhat leaner than without the spacer. A simple  
jet change is typically all that needs to be done. If a spread-bore carburetor is to be used, a 1-  
inch spacer between the manifold and adapter will provide the 2-inch height increase on Victor  
Jr. and Bowtie II Victor Jr. manifolds (if hood space is available).  
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12  
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• PLEASE complete and mail your warranty card. Be sure to write the model number of this  
product in the “Part #____” space.  
• THANK YOU .  
Edelbrock Corporation  
2700 California St.  
Torrance, CA 90503  
Tech Line: 1-800-416-8628  
©2002 Edelbrock Corporation  
Brochure No. 63-0143  
Rev. 9/02  
 

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