
See How do I break in my cam for more info on breaking in a camshaft. If the cam was not broken in properly, most likely the cam is going flat.

Also, be sure the carburetor is not flooding. A rich or lean carburetor can also cause engine to backfire.
#1404 CFM COOLER PAD SYSTEM FULL#
Includes both timed and full vacuum ports for ignition advance. Match with an Edelbrock Performer or Performer EPS manifold or other brands of similar design. and smaller Ford and dual-quad applications such as Edelbrock C-26, F-28 and Street Tunnel Ram. (CALIBRATED FOR PERFORMANCE) Designed and calibrated for small cubic-inch engines such as 305 c.i.d and smaller Chevrolet 302 c.i.d. The simple tub-type bowls and rear-pivot floats all contribute to a carburetor thats reliable, user-friendly and is easily tunable for miles and miles of trouble-free operation. The lightweight all-aluminum body features a two-piece body that resists warping and is compatible with gasohol and blended fuels. What this means to you is that compared to other carburetors, the performance remains consistent and the calibration stays unchanged. Secondly, the carburetor has the unique ability to hold a tune, so once it is tuned, the carburetor stay's tuned. The carburetor is unaffected by engine backfires, which means that there are no power valves to blow out, and the rods can be changed in seconds without carburetor removal or fuel draining.

The first one is that metering rods are utilized to transition between circuits.
#1404 CFM COOLER PAD SYSTEM MANUAL#
Several characteristics make the 1404 Performer Series 500 CFM manual choke carburetor an outstanding street performer. The Edelbrock 1404 Performer Series 500 CFM manual choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day. 052 inch Step-Up Spring - orange (5 inches vacuum).


