Carburetor - Remfd Edelbrock Performance

The Edelbrock 18034/180349 Thunder series AVS 500 cfm electric choke Endurashine carb has been designed & calibrated to deliver optimum street performance in dual-quad applications. Several characteristics make the 18034 Thunder series AVS 500 cfm electric choke Endurashine carburetor an outstanding street Performer. The first one is that metering rods are utilized to transition between circuits. The carb is unaffected by engine backfires, which means that there are no power valves to blow out, & the rods can be changed in sec w/o carburetor removal or fuel draining. Secondly, the carburetor has the unique ability to hold a tune, so once it is tuned, the carburetor stay's tuned. What this means to you is that compared to other carburetors, the performance remains consistent & the calibration stays unchanged. The third characteristic is the primary & secondary booster clusters that are utilized offer the most accurate & up-to-date calibration available for todays fuels & octane levels. Fourth the unique Thunder series qwik-tune secondary air valve allows for limitless calibration of the secondary circuit with simple hand tools while on your vehicle. (calibrated for dual-quad applications) designed & calibrated for small cubic in. engines such as 305 c.i.d & smaller Chevrolet. 302 c.i.d. & smaller Ford & dual-quad applications such as our new rpm dual-quad air-gap, Edelbrock c-26, f-28 & street tunnel ram. Match with an Edelbrock Performer or Performer EPS manifold or other brands of similar design. #1801/#1802 are calibrated for single-quad applications & factory equipped with: metering jets - primary.086, secondary.095, primary rod.065 x.052, orange spring (5 hg). #1803/#1804 is calibrated for dual-quad applications & factory equipped with: metering jets - primary.086, secondary.077. Metering rods -.065 x.057. #1804 includes primary.086, secondary.077. Metering rods -.065 x.052. Step-up spring - orange (5 hg).