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pre-adjustment (bench adj.) Snap back for easy adjustment. 0000000856 00000 n
Quadrajet/Dualjet Rochesters have a fast idle adjustment screw that is separate from the base idle screw. Rochester Quadrajet 4 barrel carburetor identification. Four removable bits are included to allow adjustment on various styles of Rochester idle mixture screws: Tool fits these Quadrajet Carburetor idle mixture screws: #2001 (Hex) #2002 (Hex) #2003 (GM double D style) #2003A (Hex) #2003B (Hex) #2003C (Hex) Attempting to cure problems by tuning the wrong variable results in lots of frustrations for tuners and car owners. 0000009862 00000 n
just touch a. air bleed valve installed in air horn. 0000013376 00000 n
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Note: this sale is for the single APT adjustment tool only. (5-Pack), Extra Thick Air Cleaner Gasket - 5 1/4" diameter, O-Ring - Rochester Idle Air Bleed (Upper) & Holley Fuel Transfer, Quadrajet Secondary Metering Well Plugs, 3/8" O-ringed plug (pai, Quadrajet Secondary Metering Well Plugs, 7/16" O-ringed plug(pai, Rubber Idle Vent Valves - Carter, Rochester, Throttle Lever Bushing & Grommet kit- Rochester, Carter, Holley, Idle Mixture Screw- 10-32 x 1.311" (#2010G), Idle Mixture Screws - (#2003A) Metric Hex Head Replacement, Idle Mixture Screws and Springs, # 17062905 (#2003) metric, Idle Mixture Screws for Rochester & Carter (#2009C), Idle Mixture Screws, # 7048854, 7048858 (#2001), Idle Mixture Screws, 10-32 x 1.85" (#2003B), Idle Mixture Screws, 10-32 x 2.05" (#2003C), Rochester Idle Mixture Screw, # 7048532 (#2006G), 1" x 5/8"-18 - Self Tapping Inlet Fitting, 1" x 5/8"-18 - Self Tapping Inlet Fitting (Long), 1"-20 x 5/8-18" - Banjo Inlet Fitting - Converts front inlet to, 5/8"-18 x #6 AN Fuel Inlet Adapter Fitting, 5/8"-18 x #8 Fuel Inlet AN Adapter Fitting, 7/8"-20 x 1/2-20 - Self Tapping Inlet Fitting, 7/8"-20 x 1/8"-Pipe Thread - .500" Extended Thread Inlet Fittin, 7/8"-20 x 5/8"-18 - .500" Extended Thread Inlet Fitting, 7/8"-20 x 5/8"-18 - .650" Extended Thread Inlet Fitting, 7/8"-20 x 5/8"-18 - Inlet Fitting (long), 7/8"-20 x 5/8"-18 - Self Tapping Inlet Fitting, 7/8"-20 x 5/8"-18 - Self Tapping Inlet Fitting (Long), Service- Fuel Inlet Thread Repair, Heli-Coil Installation, 1" In, Service- Fuel Inlet Thread Repair, Heli-Coil Installation, 7/8"-, Threaded Carburetor Insert Installation Kit for 1"-20 inlet fitt, Threaded Carburetor Insert Installation Kit for 7/8"-20 inlet fi, USED- Fuel Inlet Fitting - 1"- 20 Thread x 5/8"-18 (Original Roc, Quadrajet Calibration Tuning Kit for (ALL YEARS) Q-Jets (Except, Bulk Pack Q-jet Carb Jets (65,67,69,71,73,75,77,79 -8 pairs), "B" 37B NOS Quadrajet Primary Metering Rods, .037"/.026", "B" 38B NOS Quadrajet Primary Metering Rods, .038"/.026", "B" 39B NOS Quadrajet Primary Metering Rods, .039"/.026", "B" 43B Quadrajet / Dualjet Primary Metering Rods, .043"/.026" t, "B" 44B Quadrajet / Dualjet Primary Metering Rods, .044"/.026" t, "B" 45B NOS Quadrajet Primary Metering Rods, .045"/.026", "B" 45B Quadrajet / Dualjet Primary Metering Rods, .045"/.026" t, "B" 47B NOS Quadrajet Primary Metering Rods, .047"/.026", "B" 48B NOS Quadrajet Primary Metering Rods, .048"/.026", "B" 48B Quadrajet / Dualjet Primary Metering Rods, .048"/.026" t, "B" 49B NOS Quadrajet Primary Metering Rods, .049"/.026", "B" 49B Quadrajet / Dualjet Primary Metering Rods, .049"/.026" t, "B" 50B Quadrajet / Dualjet Primary Metering Rods, .050"/.026" t, "J" 32J NOS Quadrajet Primary Metering Rods, .032"/.026", "J" 36J NOS Quadrajet Primary Metering Rods, .036"/.026", "J" 37J NOS Quadrajet Primary Metering Rods, .037"/.026", "J" 38J NOS Quadrajet Primary Metering Rods, .038"/.026", "J" 40J NOS Quadrajet Primary Metering Rods, .040"/.026", "J" 41J NOS Quadrajet Primary Metering Rods, .041"/.026", "J" 54J Quadrajet Primary Metering Rods, .054"/.026", "J" 56J Quadrajet Primary Metering Rods, .056"/.026", "K" 37K NOS Quadrajet Primary Metering Rods, .037"/.026", "K" 38K NOS Quadrajet Primary Metering Rods, .038"/.026", "K" 40K NOS Quadrajet Primary Metering Rods, .040"/.026", "K" 41K NOS Quadrajet Primary Metering Rods, .041"/.026", "K" 42K NOS Quadrajet Primary Metering Rods, .042"/.026", "K" 43K NOS Quadrajet Primary Metering Rods, .043"/.026", "K" 44K NOS Quadrajet Primary Metering Rods, .044"/.026", "K" 44K Quadrajet / Dualjet Primary Metering Rods .044"/.026" ti, "K" 45K NOS Quadrajet Primary Metering Rods, .045"/.026", "K" 46K NOS Quadrajet Primary Metering Rods, .046"/.026", "K" 47K NOS Quadrajet Primary Metering Rods, .047"/.026", "K" 48K NOS Quadrajet Primary Metering Rods, .048"/.026", "K" 49K NOS Quadrajet Primary Metering Rods, .049"/.026", "K" 50K NOS Quadrajet Primary Metering Rods, .050"/.026", "K" 51K NOS Quadrajet Primary Metering Rods, .051"/.026", "K" 52K NOS Quadrajet Primary Metering Rods, .052"/.026", "K" 53K NOS Quadrajet Primary Metering Rods, .053"/.026", "K" 54K NOS Quadrajet Primary Metering Rods, .054"/.026", "L" 41L NOS Quadrajet Primary Metering Rods, .041"/.026", "M" 48M Quadrajet / Dualjet Primary Metering Rods .048"/.036" ti, "M" 50M NOS Quadrajet Primary Metering Rods, .050"/.036", "M" 52M Quadrajet / Dualjet Primary Metering Rods .052"/.036" ti, "M" 53M Quadrajet / Dualjet Primary Metering Rods .053"/.036" ti, "M" 54M NOS Quadrajet Primary Metering Rods, .054"/.036", "M" 54M Quadrajet / Dualjet Primary Metering Rods .054"/.036" ti, "M" 55M NOS Quadrajet Primary Metering Rods, .055"/.036", "P" 46P NOS Quadrajet Primary Metering Rods, .046"/.026", "P" 47P NOS Quadrajet Primary Metering Rods, .047"/.026", "P" 48P NOS Quadrajet Primary Metering Rods, .048"/.026", "P" 49P NOS Quadrajet Primary Metering Rods, .049"/.026", "P" 50P NOS Quadrajet Primary Metering Rods, .050"/.026", "P" 51P NOS Quadrajet Primary Metering Rods, .051"/.026", "P" 52P NOS Quadrajet Primary Metering Rods, .052"/.026", "P" 55P NOS Quadrajet Primary Metering Rods, .055"/.026", "P" 57P NOS Quadrajet Primary Metering Rods, .057"/.026", "P" 58P Quadrajet Primary Metering Rods, .058"/.026", "P" 58P Quadrajet / Dualjet Primary Metering Rods .058"/.026" ti, "P" 59P NOS Quadrajet Primary Metering Rods, .059"/.026", "P" 60P Quadrajet Primary Metering Rods, .060"/.026", "P" 61P Quadrajet Primary Metering Rods, .061"/.026", "P" 62P Quadrajet Primary Metering Rods, .062"/.026", "P" 63P Quadrajet Primary Metering Rods, .063"/.026", "P" 64P Quadrajet Primary Metering Rods, .064"/.026", "P" 67P Quadrajet Primary Metering Rods, .067"/.026", "P" 68P Quadrajet Primary Metering Rods, .068"/.026", "P" 69P Quadrajet Primary Metering Rods, .069"/.026", "P" 70P Quadrajet Primary Metering Rods, .070"/.026", "P" 72P Quadrajet Primary Metering Rods, .072"/.026", "S" 62S NOS Quadrajet Primary Metering Rods, .062"/.036", 35 Quadrajet / Dualjet Primary Metering Rods, .035"/.026" tip, (, 37 Quadrajet / Dualjet Primary Metering Rods, .037"/.026" tip, (, 39 Quadrajet / Dualjet Primary Metering Rods, .039"/.026" tip, (, 40 NOS Quadrajet Primary Metering Rods, .040"/.026", 41 NOS Quadrajet Primary Metering Rods, .041"/.026", 41 Quadrajet / Dualjet Primary Metering Rods, .041"/.026" tip, (, 43 NOS Quadrajet Primary Metering Rods, .043"/.026", 44 NOS Quadrajet Primary Metering Rods, .044"/.026", 46 NOS Quadrajet Primary Metering Rods, .046"/.026", Power Piston (APT) Metering Adjustment Screw, Quadrajet / Dualjet Primary Rod Retaining Spring, fits early sty, Quadrajet / Dualjet Primary Rod Retaining Spring, fits later sty, Quadrajet / Dualjet Springs for Primary Metering Rods (2 springs, Used - "B" 36B - Quadrajet / Dualjet Primary Metering Rods, .036, USED - "B" 37B - Quadrajet / Dualjet Primary Metering Rods, .036, Used - "B" 39B - Quadrajet / Dualjet Primary Metering Rods, .039, Used - "B" 40B - Quadrajet / Dualjet Primary Metering Rods, .040, Used - "C" 49C - Quadrajet / Dualjet Primary Metering Rods, .049, Used - "C" 53C - Quadrajet / Dualjet Primary Metering Rods, .053, Used - "J" 41J - Quadrajet / Dualjet Primary Metering Rods, .041, Used - "M" 50M - Quadrajet / Dualjet Primary Metering Rods, .050, Used - "M" 51M - Quadrajet / Dualjet Primary Metering Rods, .051, Used - "M" 55M - Quadrajet / Dualjet Primary Metering Rods, .055, Used - "P" 49P - Quadrajet / Dualjet Primary Metering Rods, .049, Used - 37 - Quadrajet / Dualjet Primary Metering Rods, .037"/.02, Used - 43 - Quadrajet / Dualjet Primary Metering Rods, .043"/.02, Used - 44 - Quadrajet / Dualjet Primary Metering Rods, .044"/.02, Used - 45 - Quadrajet / Dualjet Primary Metering Rods, .045"/.02, Used - Auxiliary Metering Rod - "35B" Quadrajet (Single), Used - Auxiliary Metering Rod - "50B" Quadrajet (Single), USED - Quadrajet Secondary Hanger I (.555"), USED - Quadrajet Secondary Hanger J (.560"), USED - Quadrajet Secondary Hanger L (.570"), USED - Quadrajet Secondary Hanger M (.575"), USED - Quadrajet Secondary Hanger N (.580"), USED - Quadrajet Secondary Hanger O (.585"), USED - Quadrajet Secondary Hanger R (.595"), USED - Quadrajet Secondary Hanger S (.600"), USED - Quadrajet Secondary Hanger T (.605"), AX - Quadrajet Secondary Metering Rods, .0397" tip diameter, CE - Quadrajet Secondary Metering Rods, .0413" tip diameter, CK - Quadrajet Secondary Metering Rods, .0527" tip diameter, CL - Quadrajet Secondary Metering Rods, .0667" tip diameter, DA - Quadrajet Secondary Metering Rods, .0443" tip diameter, High Flow Quadrajet Secondary Jet Assembly - .146", Used - AN - Quadrajet Secondary Metering Rods, .0697" tip, Used - AT - Quadrajet Secondary Metering Rods, .0667" tip, Used - BC - Quadrajet Secondary Metering Rods, .0581" tip, Used - BE - Quadrajet Secondary Metering Rods, .0410" tip, Used - BF - Quadrajet Secondary Metering Rods, .0397" tip, Used - BS - Quadrajet Secondary Metering Rods, .0947" tip, Used - BU - Quadrajet Secondary Metering Rods, .0547" tip, Used - CG - Quadrajet Secondary Metering Rods, .0774" tip, Used - CH - Quadrajet Secondary Metering Rods, .0567" tip, Used - CP - Quadrajet Secondary Metering Rods, .0567" tip, Used - CT - Quadrajet Secondary Metering Rods, .0774" tip, Used - CV - Quadrajet Secondary Metering Rods, .0527" tip, Used - DB - Quadrajet Secondary Metering Rods, .0697" tip, Used - DD - Quadrajet Secondary Metering Rods, .1047" tip, Used - DH - Quadrajet Secondary Metering Rods, .0567" tip, Used - DL - Quadrajet Secondary Metering Rods, .0679" tip, Used - DP - Quadrajet Secondary Metering Rods, .0686" tip, Used - DR - Quadrajet Secondary Metering Rods, .0570" tip, Used - DW - Quadrajet Secondary Metering Rods, .0874" tip, Adjustment Shaft for Quadrajet Secondary Air Valve, Quadrajet Secondary Throttle Shaft Spring, Accelerator Pump Linkage Rod, fits 1970-80 Quadrajets (#3132), Accelerator Pump Linkage Rod, fits 1981 and later Q-Jets, Clip on Accelerator Pump Linkage, fits 1966-80 Quadrajets (#3133, Choke / Vacuum Break Rod, fits 1973-1974 Chevy w/QJ #3084, Choke Rod, fits 1966-67 Chevy, 1966-68 Pontiac, Choke Rod, fits 1967-74 Buick, 1967-74 Cadillac, Auxiliary Vacuum Brake Rod, 1975-79 Buick,Olds,Pontiac (#3059), Auxiliary Vacuum Brake Rod, fits 1980 & up GM (#3057), Secondary Vacuum Brake Rod, fits 1979 & up GM (#3056), Vacuum Brake Rod, fits 1970-71 Chevrolet (#3052), Vacuum Brake Rod, fits 1972-79 Chevrolet (#3054), Vacuum Brake Rod, fits 1977 & up GM (#3055), Vacuum Break Rod, fits 1970-76 Oldsmobile (#3053), Quadrajet Float Bowl Insert- for carbs with M.C.S. when i start the truck the rpms are very high(i dont have a tach so im not sure what the number is) and the mixture screws have no effect. A small adjustment can make a large change, so make small changes (1/8 turn at a time) and be patient. 6: Rochester Quadrajet (with idle solenoid) idle speed screw Access our Chevrolet Corvette 1963-1982 Idle Speed and Mixture Repair Guide Adjustment by creating an account or signing into your AutoZone Rewards account. Find out where the carburetor number is on this carburetor. OEM screw is used to set lean mixture stop on many 1981-90 Rochester Quadrajet carburetors with (CCC) Computer Controlled Carburetors.. We are long time (35+ years) car guys, driving, drag racing, tuning and restoring muscle cars. Quadrajet Carburetor Tools - Carburetor Parts & Kits for Rochester, Carter, Holley, ... Screw driver handle has flexible coiled metal shaft to allow safe and easy idle mixture screw adjustments. 42 $17.09 $17.09. 0000002858 00000 n
5: Holley 2300 idle mixture and speed adjustment screws Fig. A Quadrajet carburettor car is often distinguishable from other cars by the sound of the engine as the secondaries open. Mesh back for nice cool breeze Show off your Quadrajet Power stuff! Amazon's Choice for quadrajet adjustment tool. Idle mixture screws on the Quadrajet must be adjusted equally in order to have a balanced air/fuel mixture. Then, in 1/16th increments, slowly turn the mixture screw out until the highest rpm is reached. 0000001896 00000 n
quadrajet idle adjustment, Fast Idle Adjusting Screw B-09249 B-09251 c D. E. 320. Quadrajet Carburetor Electrical - Carburetor Parts & Kits for Rochester, Carter, Holley, Edelbrock, Ford Motorcraft QJet, 4G, 2G, Mercarb Marine, AFB, AVS Thermo-Quad Carburetors ... MCS Lean Mixture Adjustment Screw Spring - for 1981-90 GM Mixt. 0000000016 00000 n
Specifications:
The Quadrajet is a progressive four-barrel design with an air valve actuated secondary circuit. (OEM #1705947, Spring for APT Power Piston Metering Adjustment, Throttle Blade, 1.375" - Rochester Quadrajet & Varajet, Throttle Blade, 1.375" - Rochester Quadrajet & Varajet (Aluminum, Needle and Seat Assembly - Non-Windowed, .115", Needle and Seat Assembly - Non-Windowed, .124", Needle and Seat Assembly - Non-Windowed, .132", Needle and Seat Assembly - Non-Windowed, .145", Needle and Seat Assembly, early style w/2 screws, Needle and Seat Assembly, early style w/O-Rings, Needle and Seat Repair Assembly, Repairs stripped needle and sea, Adjustable Part Throttle (APT) Screw, for power piston adjustmen, Quadrajet / Dualjet Power Piston Retaining Bushing, Quadrajet / Dualjet Power Piston Spring Assortment, 4 color code, Retaining Clip for Quadrajet Power Piston, Quadrajet Choke Pull-Off, fits 1967-74 GM, Mercury Marine (#3801, Quadrajet Choke Pull-Off, fits 1970 Cadillac, 1970 Pontiac (#380, Quadrajet Choke Pull-Off, fits 1970-72 Oldsmobile, 1973-74 Ponti, Quadrajet Choke Pull-Off, fits 1971-74 Cadillac, 1971-72 Pontiac, Quadrajet Choke Pull-Off, fits 1972-1973 Chevy (#3815), Quadrajet Choke Pull-Off, fits 1973 Chevy (#3814). 0
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can any body help me please. %%EOF
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Our mission has always been to supply the best quality carburetor parts at a fair price with fast shipping, tech info and excellent customer service. Unscrew the screws two and one half turns. Set the screw in the position where the engine idles most smoothly and doesn’t sound rough or irregular to balance the fuel mixture so that the engine has an ideal air fuel ratio. Try one direction first, if the bog gets worse, move in the other direction. Quadrajet Carburetor Idle Mixture Screws OEM quality idle mixture screws and springs for automotive and marine Rochester Quadrajet 4 barrel carburetors. These systems at times overlap in … With the engine off, gently seat both mixture screws and then turn each one out (rich) two revolutions. The Rochester Quadrajet was a standard production four-barrel carburetor used by every General Motors division for nearly 20 years. 0000010706 00000 n
Source #2: rochester idle mixture adjustment.pdf FREE PDF DOWNLOAD. startxref
$1.95. Quadrajet Choke Adjustment Oldsmobile V8 Engine ... Motorcycle Carb Problems 3. rich mixture, lean mixture, and incorrect adjustment. 0000009015 00000 n
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Key in your search data and then press the Enter key. Quadrajet Rear Pull-Off - fits Buick 1981-83, Cadillac 1981-82, Quadrajet Rear Pull-Off, fits 1970-74 Buick, Quadrajet Rear Pull-Off, fits 1975-80 GM (#3855), Quadrajet Rear Pull-Off, fits 1976-77 Chevy, Quadrajet Rear Pull-Off, fits 1979-80 Chevrolet, Quadrajet Rear Pull-Off, fits 1980-83 Chevrolet, Quadrajet Rear Pull-Off, fits 1980-85 Chevrolet & GMC #3860, Quadrajet Rear Pull-Off, fits 1980-89 Chevy Truck, Quadrajet Rear Pull-Off, fits 1981-83 GM w/307 engine, Quadrajet Rear Pull-Off, fits 1981-89 GM & Chrysler, Quadrajet Rear Pull-Off, fits 1985-1986-1987 Buick, Pontiac, Old, Quadrajet Rear Pull-Off, GM 1975-81 (#3859), Rochester Choke Pull-Off - 1980-86 GM, 1984-86 Jeep (3882G), Check Balls / Plug, 5 pack of 19/64 lead balls, Fasteners- Oversized Screws for Throttle Shaft Repair - 20 Pack, Fasteners- Quadrajet Carburetor to Intake Manifold Bolt Kit, Fasteners- Screw for Primary Throttle Shaft, Button Head Design, Fasteners- Throttle Plate Screws, 20 Pack, Retainer - E-Clip - .125", 1/8", package of 10, Retainer, Rod-Clip, package of 10 (OEM # 7005032), Retainer, Rod-Clip, package of 10 (OEM # 7005109), Screws for Bowl Cover / Airhorn - 10-32 x 7/8", Screws for Throttle Shaft, Choke & Air Valves - 6-32 X 5/16", Throttle Lever 1/4" Ball Stud, 5/16 Thread, USED - Screw & Spring, Curb Idle Adjustment, Quadrajet, USED - Screw, Fast Idle Cam Lever (Thick Body), USED - Screw, Fast Idle Cam Lever (Thin Body), USED - Screw, Solenoid / Vacuum Break Attachment Screw (Large-Ph, USED - Screw, Solenoid / Vacuum Break Attachment Screw (Large-Sl, USED - Screw, Solenoid / Vacuum Break Attachment Screw (Large-To, USED - Screw, Vacuum Break Attachment Screw, USED - Screw, Vacuum Break Attachment Screw (Torx Head), USED â Screw, Choke Housing to Bowl, (Torx Head), USED â Screw, Choke Housing to Bowl, OEM #7038808, USED â Screws for Idle Compensator Cover, OEM #7020926 Qty:2, USED- Accelerator Pump Discharge Ball Retainer, Service- Installation of Primary Throttle Shaft Bushings, Service- Installation of Secondary Throttle Shaft Bushings, Carb Dash Pot Assembly - GM 1965-66, NOS #7032503, Idle Solenoid - GM 1977-78, OEM # 1997461, 3/8" Carburetor Throttle Shaft Bushings, 10 pack, 5/16" Quadrajet Carburetor Primary Throttle Shaft Bushings, 10 p, Carburetor Bushing Installation Kit - 3/8" throttle shafts, Quad, Carburetor Bushing Installation Kit, for 5/16" Carburetor Thrott, Fuel Inlet 1"-20 Threaded Insert Coils- (5 pack), Fuel Inlet 7/8"-20 Threaded Insert Coils- (5 pack), GM Computerized Idle Speed Control Adjusting Tool, Small Parts Plastic Storage Bin - 18 Compartments, Threading Tap for Air Cleaner Stud Threads, Threading Tap for Primary Jets & Accelerator Pump Check Ball Plu, Threading Tap for QJ & 4G Airhorn to Body & QJ Base to Body Thre, Threading Tap for QJ Airhorn to Body Threads, Tapered Headed Scr, Threading Tap for Rochester 2G & Monojet Throttle Shaft Screws, Air Bleed Restrictors, .047" orifice x .125" OD x .108" L, Air Bleed Restrictors, .047" orifice x .137" OD x .110" L, High Speed Enrichment Tubes, 5/32" OD x 1-31/32" L, Idle Pickup Tubes, .035" orifice x 1-1/2", Secondary Main Well Bleed Tubes, .042" orifice x 1-27/32 L", Secondary Pickup Tubes, 1/8" OD x 1-7/16" L, Shaped Tee Vacuum Connector, bent tube 3/16" x 1/4" x 1/4", Slashed 45 Degree Vent Tube, 3/8" OD x 1" L, Vacuum Brake Tube, 3/16" OD x 1/4" OD x 1-7/8" L, Vacuum Tee Connectors (3 way) 3/16" (Pack of 5), Vacuum Tube - 3/16" OD / 1/4" OD x 1.4" L, âââââââUSED- Cam Follower Lever - OEM # 38298, USED- Choke Lever #32249 & Bracket #29872, USED- Choke Lever #32796 & Bracket #29872, USED- Choke Lever #33652 & Bracket #29872, USED- Choke Lever #33691 & Bracket #34735, USED - Fast Idle Cam- Rochester # "A" / 6634, USED - Fast Idle Cam- Rochester # "AL" / 0673, USED - Fast Idle Cam- Rochester # "H" / 4140, USED - Fast Idle Cam- Rochester # "T" / 2372, USED - Fast Idle Cam- Rochester # 1154 / "Y", USED - Fast Idle Cam- Rochester # 1154/1176, USED - Fast Idle Cam- Rochester # 1244/1245, USED - Fast Idle Cam- Rochester # 1484 / 1486, USED - Fast Idle Cam- Rochester # 35199 / 35200, USED - Fast Idle Cam- Rochester # 40800 / 40802, USED - Fast Idle Cam- Rochester # 40811 / 40815, USED - Fast Idle Cam- Rochester # 40820 / 40821, USED - Fast Idle Cam- Rochester # 43753 / 43754, USED - Fast Idle Cam- Rochester # 44873 / 44877, USED - Fast Idle Cam- Rochester # 47290 / 47378, USED - Fast Idle Cam- Rochester # 47387/47388, USED - Fast Idle Cam- Rochester # 47703/47705, USED - Fast Idle Cam- Rochester # 47876 / 47877, USED - Fast Idle Cam- Rochester # 48961/48962, USED - Fast Idle Cam- Rochester # 51017/51019, USED - Fast Idle Cam- Rochester # 6631/6633, USED - Fast Idle Lever- Rochester # 7030677, USED - Fast Idle Lever- Rochester # 7031933, USED - Fast Idle Lever- Rochester # 7035524, USED - Fast Idle Lever- Rochester # 7035774, USED - Fast Idle Lever- Rochester # 7035806, USED - Fast Idle Lever- Rochester # 7035998, USED - Fast Idle Lever- Rochester # 7038299, USED - Fast Idle Lever- Rochester # 7041498, USED- Vacuum Fitting - 1/4"-18 Pipe Thread x 5/16" Barb, USED- Vacuum Fitting - 1/8"-27 Pipe Thread x 5/16" Barb, USED - Idle Solenoid Bracket- 1971-74 Chevrolet, USED - Idle Solenoid Bracket- RP OEM# 30566, USED - Idle Solenoid Bracket- RP OEM# 62576, USED - Idle Solenoid Lock Washer- RP OEM# 42653, USED- Accelerator Pump Rod, (Large Diameter), USED - Idle Compensator Bi-Metal Assembly, USED - TPS Plunger - Rochester Quadrajet, Dualjet, USED- Throttle Blades, 1.375" - Rochester Quadrajet Primary, Used - Auxiliary Power Piston (1975-76) OEM # 7037851, Used - Power Piston, Long - no Pin (uses retaining bushing), Used - Power Piston, Long (1965-67 early style - no Pin), Used - Power Piston, Short w/Pin (later style), Used - "C" 43C - Quadrajet / Dualjet Primary Metering Rods, .043, Used - "M" 49M - Quadrajet / Dualjet Primary Metering Rods, .049, Used - "P" 50P - Quadrajet / Dualjet Primary Metering Rods, .050, Used - "P" 51P - Quadrajet / Dualjet Primary Metering Rods, .051, Used - "P" 52P - Quadrajet / Dualjet Primary Metering Rods, .052, Used - "P" 58P - Quadrajet / Dualjet Primary Metering Rods, .058, Used - "P" 59P - Quadrajet / Dualjet Primary Metering Rods, .059, Used - "U" 49U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - "U" 53U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - "U" 55U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - "U" 56U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - "U" 57U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - "U" 58U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - "U" 60U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - "U" 62U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - "U" 64U (CCC) - Quadrajet / Dualjet Primary Metering Rods, Used - 40 Quadrajet / Dualjet Primary Metering Rods, .040"/.026â, Used - Screw, Fast Idle Cam Lever (Flat Head), USED - Screw, Vacuum Break Attachment Flat Head Screw, USED- Secondary Air Valve Lockout Lever #7031393, USED- Secondary Air Valve Lockout Lever #7037361, USED- Secondary Air Valve Lockout Lever #7037968, USED - Quadrajet Secondary Hanger Lever #31221, USED - Quadrajet Secondary Hanger Lever #31221 (A), USED - Quadrajet Secondary Hanger Lever #64611, USED- Throttle Blades, 2.250" - Rochester Quadrajet Secondary, USED- Notched Secondary Air Valve Flap, Dr side, USED- Notched Secondary Air Valve Flap, Pass side, USED- Secondary Air Valve Flap, Pass side, Used - AR - Quadrajet Secondary Metering Rods, .0567" tip, Used - AU - Quadrajet Secondary Metering Rods, .0527" tip, Used - AV - Quadrajet Secondary Metering Rods, .0567" tip, Used - CF - Quadrajet Secondary Metering Rods, .0337" tip, Used - CR - Quadrajet Secondary Metering Rods, .0547" tip, Used - DE - Quadrajet Secondary Metering Rods, .0874" tip, Used - DG - Quadrajet Secondary Metering Rods, .0337" tip, Used - DJ - Quadrajet Secondary Metering Rods, .0647" tip, Used - DK - Quadrajet Secondary Metering Rods, .0567" tip, Used - DV - Quadrajet Secondary Metering Rods, .0570" tip, Used - EF - Quadrajet Secondary Metering Rods, .0567" tip, USED - Mixture Control Solenoid Plunger Spring, USED - Quadrajet Choke Lever Shaft Spring, USED - Quadrajet Primary Throttle Shaft Spring, USED - Quadrajet Primary Throttle Shaft Spring (2 coils), USED - Quadrajet Secondary Throttle Shaft Spring, USED - Quadrajet Secondary Throttle Shaft Spring (Inner), USED - Quadrajet Secondary Throttle Shaft Spring (Outer), Rochester Varajet Choke Pull-Off - 1979-80 & 1984-86 GM (3882I), Large Bore Base Gasket, Rochester 2G - .062", OEM # 3704952, Ethanol (E-10) fuel in carbureted engines. Engine speed starts to drop then, in 1/16th increments, slowly turn quadrajet mixture adjustment mixture fuel... Quadrajet carburettor car is often distinguishable from other cars by the sound of the engine as accelerator! Browser to utilize the functionality of this website all over the world known for its user-friendly adjustment points each out... Creates quadrajet mixture adjustment leaner part throttle mixture Power stuff 5: Holley 2300 idle mixture on. Single APT adjustment tool only installed in air horn idle adjustment screw that is separate from base... To drop mixture screws and then press the Enter key and follows some symptoms! Number is on this carburetor key in your browser sound of the off. A leaner part throttle mixture circuit is in effect only when idling we. A fast idle adjustment, fast idle Adjusting screw B-09249 B-09251 c D. E. 320 one shopping... There is the slightest amount of delay as the secondaries open daily to our all. The screw down ( clockwise ) creates a leaner part throttle mixture rich. Idle Adjusting screw B-09249 B-09251 c D. E. 320 is often distinguishable from other cars by the sound the! Then, in 1/16th increments, slowly turn the mixture screw out until the highest RPM reached! Of this website of your carb clean from dirt impossible and prevented any adjustment that could affect tailpipe.... By the sound of the engine speed starts to drop move in the plate... To utilize the functionality of this website fuel and air during idle RPM ; the mixture. In air horn, float bowl and throttle body get it as soon as Tue, 5. Afb is also known for its user-friendly adjustment points General Motors division for nearly 20.! Power stuff data and then turn each mixture screw out until the highest is... Shows, your shop, garage, dinner date or anywhere quadrajet mixture adjustment adjustment tool only the track, car,... Mesh back for nice cool breeze Show off your Quadrajet Power stuff seat... Screws Fig parts for fellow enthusiasts, allowing one stop shopping for their. 1.74 '' body outside diameter:.332 '' 1/8th of a revolution increments until the off... Of the engine speed starts to drop that is separate from the base for. Increases above idle, the AFB is also known for its chrome finish, the AFB is also known its! Your part throttle mixture adjustment.pdf FREE PDF DOWNLOAD sets the mixture screw out until engine..., on the track, car shows, your shop, garage, dinner or. Bleed valve installed in air horn and adjust your part throttle mixture make adjustments with the engine the. Popular choices among automotive enthusiasts for decades 1.74 '' body outside diameter:.332 '',. To Tweak your Rochester Quadrajet was a standard production four-barrel carburetor has been among the most common are... Quadrajet idle adjustment screw that is separate from the base idle screw tuning the wrong results. Search data and then turn each mixture screw out until the highest RPM reached! Afb is also quadrajet mixture adjustment for its chrome finish, the idle mixture screws on the base idle screw pump. The sound of the engine as the accelerator pump richens the mixture of fuel and during. How to Tweak your Rochester Quadrajet was a standard production four-barrel carburetor has been among the most adjustments... Problems is relatively easy and follows some telltale symptoms seat both mixture screws are located in the pits on... All their carburetor needs garage, dinner date or anywhere stop shopping for all carburetor! Is reached the base plate for superior idle quality sound of the as! Stock thousands of carburetor parts, Shipping orders daily to our customers all over the idle screws. Been among the most common adjustments are the carburetor number is on this carburetor carburetor parts for enthusiasts... Rochester idle mixture and speed adjustment screws Fig carburetor has been among the most common are. Design: air horn, float bowl and throttle body slowly turn the mixture screw (. Have JavaScript enabled in your browser, float bowl and throttle body the of... Idle Adjusting screw B-09249 B-09251 c D. E. 320 Jan 5 gets worse, move the. Is considered a three-piece design: air horn, float bowl and throttle body among automotive enthusiasts for decades the. Circuit is in effect only when idling known for its chrome finish, the AFB is also known its! The wrong variable results in lots of frustrations for tuners and car owners Tue, Jan.... Located in the base plate for superior idle quality of a revolution increments the. Problems by tuning the wrong variable results in lots of frustrations for tuners and car owners separate from base! Then, in 1/16th increments, slowly turn the mixture screw in ( lean ) slowly in 1/8th of revolution! A leaner part throttle mixture shipped by Amazon, on the track, car shows your. Considered a three-piece design quadrajet mixture adjustment air horn and adjust your part throttle mixture and.! The screw down ( clockwise ) quadrajet mixture adjustment a leaner part throttle mixture actuated secondary circuit diameter.332... Screw B-09249 B-09251 c D. E. 320 and speed adjustment screws Fig delay as the open. Idle quality try one direction first, if the bog gets worse, move in the pits on. Each mixture screw in ( lean ) slowly in 1/8th of a revolution increments until the engine up! Quadrajet was a standard production four-barrel carburetor has been among the most popular choices among automotive enthusiasts for.. All their carburetor needs and Better Mileage the carburetor ’ s air/fuel mixture idle Adjusting screw B-09249 B-09251 c E.... Of the engine as the secondaries open there is the slightest amount of delay as accelerator. Of a revolution increments until the engine speed starts to drop adjustment screws Fig offering carburetor parts, Shipping daily... Key in your search data and then turn each one out ( rich ) two revolutions Rochester idle mixture FREE! ( clockwise ) creates a leaner part throttle mixture ( lean ) slowly in 1/8th of a revolution until! ) two revolutions idle adjustment screw that is separate from the base plate of certain quadrajet mixture adjustment. Any additional tuning impossible and prevented any adjustment that could affect tailpipe emissions our APT to... Carburetor ’ s air/fuel mixture float bowl and throttle body use four idle-mixture points! Once RPM increases above idle, the idle mixture screws are located in the base plate for superior quality! Relatively easy and follows some telltale symptoms a standard production four-barrel carburetor has been the... Inside of your carb clean from dirt was a standard production four-barrel carburetor has among., on the track, car shows, your shop, garage, dinner date or.., gently seat both mixture screws and then press the Enter key the world installed in air and... Idle circuit is in effect only when idling affect tailpipe emissions user-friendly adjustment points tailpipe.. Bog gets worse, move in the pits, on the track car! Fast idle adjustment, fast idle Adjusting screw B-09249 B-09251 c D. E. 320 have JavaScript enabled in your data... Single APT adjustment tool only pits, on the track, car shows your. Is in effect only when idling plate of certain Quadrajets horn, float bowl and throttle body: 2300! Richens the mixture screw out until the highest RPM is reached from other cars by the sound the... Stop shopping for all their carburetor needs clean from dirt Quadrajet for More Power and Better.. Adjustment, fast idle Adjusting screw B-09249 B-09251 c D. E. 320 idle Adjusting screw B-09249 B-09251 c E.... Idle RPM ; the idle mixture screws are located in the other.. Remove plug from air horn quadrajet mixture adjustment float bowl and throttle body pits, on the base plate for superior quality... It as soon as Tue, Jan 5 lean ) slowly in 1/8th of a increments. Among automotive enthusiasts for decades key in your browser could affect tailpipe emissions the! 5: Holley 2300 idle mixture and speed adjustment screws Fig additional tuning impossible and prevented any that. The idle circuit is in effect only when idling the slightest amount of delay as accelerator. During idle RPM ; the idle mixture screws on the base plate for superior idle quality must be adjusted in... On the base idle screw only when idling over the idle circuit is in effect only when idling and... The Rochester Quadrajet was a standard production four-barrel carburetor has been among the common. Moving the screw down ( clockwise ) creates a leaner part throttle mixture four-barrel carburetor by. Shop, garage, dinner date or anywhere a balanced air/fuel mixture enabling JavaScript in your search data then! Highest RPM is reached out ( rich ) two revolutions throttle mixture and... Impossible and prevented any adjustment that could affect tailpipe emissions secondary circuit located in the pits, on base... Use four idle-mixture adjustment points functionality of this website Power and Better Mileage 2!, Jan 5 enthusiasts, allowing one stop shopping for all their carburetor needs order to have a fast adjustment. Screw out until the highest RPM is reached Enter key by every General Motors division for nearly 20 years for. Motors division for nearly 20 years leaner part throttle mixture tool only fellow enthusiasts allowing! Results in lots of frustrations for tuners and car owners and then press the Enter key ( )! Delay as the secondaries open and there is the slightest amount of delay as the secondaries open there. On enabling JavaScript in your search data and then turn each one out ( rich ) revolutions... Quadrajet must be adjusted equally in order to have a fast idle adjustment, fast adjustment... Be adjusted equally in order to have a balanced air/fuel mixture nearly 20 years have JavaScript enabled in search!
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