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Edelbrock Carburetor Teardown - Off-Road Dissection

Carburetor
Jordan May | Writer
Posted April 1, 2011

Edelbrock Thunder Series AVS, 650 CFM, Off-Road, Maunal Choke Carb

1 Airhorn Lid Gasket
2 Base Gasket
3 Body Assembly
4 Fuel Bowl Baffle Plates
5 Secondary Venturi Boosters
6 Air Cleaner Stud
7 Idle Mixture Screw and Spring
8 Discharge Ball
9 Discharge Weight (ball and weight act as weighted check valve)
10 Pump Jet Housing Gasket
11 Pump Jet Housing
12 Idle Mixture Screw and Spring
13 Primary Metering Jets
14 Return Spring (Pump Plunger Spring)
15 Manual Choke Bracket
16 Fast Idle Connecting Link and Clip
17 Accelerator Pump (Pump Plunger Assembly)
18 Primary Venturi Boosters
19 Primary Venturi Boosters
20 Throttle Lever
21 Secondary Circuit and Blades
22 Secondary Circuit and Blades
23 Primary Circuit and Blades
24 PCV Hookup
25 Full Vacuum Port
26 Accelerator Pump Inlet
27 Idle Jet
28 Emulsion Tube
29 Secondary Metering Jets
30 Spring Loaded Air Valve (allows limitless calibration)
31 Airhorn Assembly
32 Fuel Inlet Fitting
33 Choke Door
34 Spring Loaded Needle and Seat
(Key Feature: Helps keep carb from flooding during rough terrain.)
35 Step Up Piston Cover Plates and Screws
36 Step Up Metering Rods
37 Step Up Piston Springs
38 Step Up Pistons
39 Step Up Rod Retainer Springs
40 Float and Lever Assembly
41 Choke/Cam Connector Rod
42 Pump Arm
43 Pump Connector Link
44 Pump Arm Screw
45 Edelbrock Carbs are Made In The USA
46 Airhorn Attaching Screws (8)
47 Air Cleaner Gasket
48 Fast Idle Cam
49 Idle Speed Screw
50 Timed Vacuum Port

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