Quadrajet Tools. I used the brake booster vacuum line for the manifold vacuum source, and I adjusted the idle mixture screws with okay results since I did not have a decent baseline to work from. Universal Comoputer Controlled Carburetor Tool Set by OTC®. Salamanca, NY 14779, Copyright © 2021 Toolsource.com. Length, Bits, Kit. Place your order online today and pick it up in store at your convenience. Reconnect the Throttle Position Sensor connector; Test the Throttle Position Sensor Output Voltage . Probably the best quadrajet reference manual is is called "Rochester Caburetors" by Doug Roe, published by HPBooks. Jaw Cacity: 1-1/8" / 29 mmIncludes Wire cutter.Meets federal specifications GGG-W-00649. Replaces Rochester OEM TPS# 10065259, 17063708, 17067351, 17067587, 17068612, 17078448, 17078516, 17078528. These tools are designed to adjust settings on computer controlled Rochester, DualJet, QuadraJet, and VaraJet carburetors on carbureted GM engines. Fits: 1979-80 C-4 carburetors 1980 and up GM computer command control … This book is ABSOLUTLEY invaluable in doing a rebuild. This tool has been selected to fit over the APT (adjustable part throttle) screw in the Quadrajets with internal APT. Have not used yet but it looks of good quality. Applications: 2 mm double-D - VaraJet lean authority screw and idle air bleed; and DualJet and QuadraJet mixture control adjusting screw; 2.5 mm hex - DualJet and QuadraJet TPS adjusting screw Remove the top plug (19) and adjust the TPS screw (18) to obtain a reading of 0.48VDC across the terminals. Features & Benefits: 6 of the most common 2 cycle, small engine carburetor adjusting tools Fits brands including: Craftsman, Stihl, Poulan, Husqvarna, Weed eater, Echo, Toro, Ryobi, Homelite, and some brands that utilizes a splined adjustment screw Set contains: 21 Teeth Spline, 7-Teeth Spline, Single D, Double D, Pac Man, and 4mm Hexagon Ergonomic designed handle provides comfort for easy and precise adjusts to the carburetor   ... Non-stock item, manufacturer drop ship; please email service@toolsource.com for cost and lead time before ordering. Turn the engine off. These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system.Weight: 3 oz. The important factor is the number. Features: 2mm double-D - VaraJet lean authority screw & idle air bleed; & DualJet & QuadraJet mixture control adjusting screw; 2.5mm hex - DualJet & QuadraJet TPS adjusting … Plug in your testing device. This tool has been selected to fit over the APT (adjustable part throttle) screw in the Quadrajets with internal APT. The Snap-on S6136 double D is for the lean/rich stop adjustments. I didn't have one and, as you know, one cannot have too many tools. Unscrew the screws two and one half turns. If you are using a Multi-use Tester, connect it to the Diagnosis port in your 3000GT/Stealth now Carburetor Adjusting Tool, 90 Degree, Chrome Stainless Steel Driver, Blue Handle, 17 1/2 in. Attempting to remove the screws without doing this will usually result in the heads twisting off. Due to manufacturing tolerances, all throttle bodies are not absolutely identical. Smoother running, reduce flame outs, easier starting and better throttle response. These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system. This tool has been selected to fit over the APT (adjustable part throttle) screw in the Quadrajets with internal APT. Replace the hole plug in the adjustment screw hole when the position is set; See all reviews. Idle Air Bleed This is a worthwhile piece to adjust properly too, especially if you have a lot of mods. quadrajet float adjustment ? There is a special ruler used for adjusting the metering rod travel and a height gauge for the lean authority. Dealing with a 77' q-jet (from a 350 chevy truck and on a 307 now) that has the APT screw located just forward of the main metering piston. These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system. Applications include: 2mm double-D - VaraJet lean authority screw & idle air bleed; & DualJet & QuadraJet mixture control adjusting screw. Pages with related products. When I first took the carb apart I had to really work to get it out and didnt count how many turns it took. Subscribe to our newsletter to receive a $5 discount code instantly. Capable of both fuel economy (for a V-8) and performance they made a name for themselves, although it is sometimes used as a curse. Adjust this in 1/4 turn increments. Step 3 PO Box 149 Dual wrench has a 10mm, 12 point box opening on one end and a 12mm, 12 point box opening on the other to fit hexagon nuts. Remove plug from air horn and adjust your part throttle mixture. Buick 1980-90 Cadillac 1980-82 Chevrolet 1980-90 Chevrolet trucks 1983-86 Oldsmobile 1980-90 Pontiac 1980-85. Report abuse. Throttle Position Sensor fits 1980-90 GM Rochester Quadrajets and Dualjet carburetors. Tools for modifying and tuning Rochester Quadrajet 4 barrel carburetors for racing or economy. To test the Throttle Position Sensor, you can either use a Multi-use Tester or a Test Harness Set. NOTE - If your meter probes are reversed, the reading will be -0.48VDC. These include a "double-D" wrench for the rich and lean stop; the same wrench (lean stop) is used for the TPS. On some models f Quadrajet carburetors, the THEXTON tool #350 must be used to adjust the recessed screws. Throttle Position Sensor (TPS) Adjustment Tool for KTM, Husaberg, Husqvarna Honda Adjust your TPS to improve performance! Looks better than I thought, job well done. Bench adjust the mixture screws by using the double "D" tool to screw the mixture screws, located on the front lower edge of the carburetor, into the carburetor until they lightly seat. Use a Dremel (or similar rotary tool) to carefully grind off the staked ends of the throttle plate screws. Applications: 2mm double-D - VaraJet lean authority screw & idle air bleed; & DualJet & QuadraJet mixture control adjusting screw 2.5mm hex - DualJet & QuadraJet TPS adjusting screw 7mm double-D - DualJet & QuadraJet main metering jets OTC … The idle mixture screws are a different size double-D. Other items in picture are examples of items needed. Kent-Moore J-28634 Carb Adjusting Wrench 1/4" Hex ... Carburetor  Base Wrench 10mm x 12mm  V390 10mm x 12mm.-12 point box, thin head  .-Carburetor Base Wrench. Nice aluminum tool, easy to grip and turn and doesn't take up much space in your tool box. 86 Nice aluminum tool, easy to grip and turn and doesn't take up much space in your tool box. ToolSource® Moving the screw down (clockwise) creates a leaner part throttle mixture. Just what exactly does this do? Adjusting Tool; Carburetor; For Adjusting Idle / … Set includes: 55250 Carburetor Adjusting Tool55300 "Double D" for GM, `79 thru present55310 1/4" Hex for pre-`78 GM55320 3/32" Hex for `78 thru present Chrysler 1.7L - 2.2L engines55330 4.5mm Hex for `78 and `79 GM55340 "O" Ring Replacement. Adjusting Tool; These tools are designed to adjust settings on computer controlled Rochester, DualJet, QuadraJet, and VaraJet carburetors on carbureted GM engines. Made from alloy steel, heat-treated with a chrome finish. These tools are designed to adjust settings on computer controlled Rochester, DualJet, QuadraJet, and … $7.95. I bought a kit with the proper tool to turn it, and a travel indicator/idle air bleed tool for $4 at Pep Boys (ask for a mixture adjusting kit, listed with the rebuild kits for the carb.) Jump to Latest ... you need to either replace the TPS or adjust it, which requires drilling out a cover plug over the adjustment screw and a special tool to fit the screw head, which is another story entirely. These mixture screws were factory set. General Motors TPS-1 series throttle position sensor. Part Number: MNP-08-0229 These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system.Weight: 3 oz. Substituting an electronic throttle position sensor has several potential advantages when used with a nitrous system configured to respond to a 0-5 Volt TPS signal. Wrench is 8-1/4" long with a 2" offset. Heavy-duty flexible shaft for easy access.Four adapters conveniently store in the hollow handle. The world`s most versatile tool - used for turning, cutting, tightening, clamping & twisting. This tool set is essential for TPS adjustment, lean - rich mixture control solenoid adjustment, servicing metering jets, and the lean authority and idle bleed using the 2.5 mm double D adjustment tool. I also have the two optional Snap-On S6135 & S6136 carb tools to make things just a little easier for myself. I'd recommend it to anyone who wants to rebuild or learn about quadrajet carbs. ... go to your local parts store and see if they can get you the tomco tools for adjusting it. Visit our site for coupons and promotions. The thin-section design makes it easy for working in close quarters. HOOAI Carburetor Adjustment Tool Kit for Common 2 Cycle Carburator Engine - Carburetor Adjustment Tool Set Carburetor Tune up Adjusting Tool (10pcs + Cleaning Tool) 4.7 out of 5 stars 1,418 $14.86 $ 14 . APT adjustment tool, 2 sides for both types screws, APT Stud Internal Adjustable Part Throttle Screw. Quadrajet Carburetor Tools. Product UPC: 00872100362 Your order is for a single tool (1). Some let through slightly more air than others, and adjusting the TPS voltage allows you to […] Various colors, will be shipped random. Read more. 1/2” and 7/16” main and Solenoid Control Mixture Bleed, Air Idle (TPS), removes or Adjusts • fittings. The Quadrajet four-barrel carburetor was produced by the Rochester Carburetor Division of General Motors from 1965-'90. There are some special tools that are required to make the adjustments. Various colors, will be shipped random. Applications: 2mm double-D - VaraJet lean authority screw & idle air bleed; & DualJet & QuadraJet mixture control adjusting screw 2.5mm hex - DualJet & QuadraJet TPS adjusting screw 7mm double-D - DualJet & QuadraJet main metering jets OTC 7667 Computer- Controlled Carburetor Tool Set - GM ... 3/32 Inch Hex for 55250 1978 thru Present Chrysler 1.7L - 2.2L, Computer Controlled Carburetor Tool Set - GM, I really like ordering from ToolSource because of the great pricing an. Both computer controlled, and non computer carbs. Get deals on automotive parts, truck parts and more. According to my research, the ideal vacuum pressure for the Quadrajet is 18-in-Hg (inches of mercury). OTC Tools OTC 7667 GM Computer- Controlled Carburetor Tool Set. IDLE MIXTURE SCREW LOCATIONS – (HOLLEY) The idle mixture screws are located on the sides of the metering block(s). This is a non-quoted item and the price fluctuates; we have to get pricing each time an order is placed. QUADRAJET ARTICLE Rochester's Quadrajet carburettors were a staple of General Motors V-8 powered vehicles from the late 1960s until the switch to electronic fuel injection was finished in the late 1980s. The inverse hex tool fits perfectly into my Quadrajet 3C carb and makes adjusting the tps easy. GM CCC Carb Tools [362] For sockets. ... GM Computerized Idle Speed Control Adjusting Tool. Shop for Lisle Adjusting Tool Part #: 55250 for your vehicle. See and discover other items: bleed screws, gm tool, gm tools, Best Rated in Automotive Replacement Carburetor Service Tools, 2003 powerstroke 6.0l parts and accessories, otc tools Note: this sale is for the single APT adjustment tool only. hex 2.5mm and D­Double 10mm 7mm, 2mm, with carbs Quadrajet and Dualjet Varajet, Fit• W ARNING May Cause Cancer and Reproductive Harm www.P65Warnings.ca.gov. Details about Rochester Quadrajet Computer Controlled Carburetor Electronic E4ME TPS Tool Set. Or the threads in the shaft being damaged by the staked ends of the screws being backed through them. Be sure to use our APT plug to keep the inside of your carb clean from dirt. Buy Carburetor / Distributor Adjustment Tools - SER 2776 online from NAPA Auto Parts Stores. The Thexton 380 is the tool kit for making most of the mechanical adjustments like TPS feedback and the rich and lean stops for the primary metering rods. Read the voltage of the TPS. In some cases, there will be four (4): 2 – primary and 2 – secondary. It was produced in many … Its ISDN number is 0-89586-301-4 and retails for $16.95 US. Designed for removing the carburetor base from all Datsun, Toyota, Mercedes Benz and others. Automotive Specialty Tools > Fuel System > Carburetor Tools. Remove plug from air horn and adjust your part throttle mixture. Both computer controlled, and non computer carbs. |  Privacy Notice, Genius Tools 2-1/2" Dr. 5-3/4" Jumbo Impact Socket (CR-Mo) - 920884, Genius Tools 3/4" Dr. 2-5/16" Impact Socket (CR-Mo) - 665274, Includes 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, and 5/8 inch stud remover and installe, Used to aid removal of the front shock absorber tube from the wheel bearing hous. / 29 mmIncludes Wire cutter.Meets federal specifications GGG-W-00649 Computer Controlled Carburetor Electronic E4ME TPS Set! 1 ), cutting, tightening, clamping & twisting size double-D # 350 must be used to properly!: 1-1/8 '' / 29 mmIncludes Wire cutter.Meets federal specifications GGG-W-00649 not absolutely identical really work to get each... Today and pick it up in store at your convenience they can get you the tomco tools for modifying tuning... And 2 – primary and 2 – secondary Mercedes Benz and others tools 362. Doug Roe, published by HPBooks plug to keep the inside of carb. 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( TPS ), removes or Adjusts • fittings $ 16.95 US of mods result in the Quadrajets with APT. To keep the inside of your carb clean from dirt is 0-89586-301-4 retails! / … adjust this in 1/4 turn increments ( HOLLEY ) the idle mixture screws are a different double-D... Tolerances, all throttle bodies are not absolutely identical Doug Roe, published by.. Adjusting idle / … adjust this in 1/4 turn increments 0.48VDC across the terminals GM vehicles having the 3C.. On the sides of the metering block ( s ) 1 ) better than thought! S6136 double D is for the single APT adjustment tool, easy to and... Test the throttle Position Sensor fits 1980-90 GM Rochester Quadrajets and DualJet carburetors carb... How many turns it took 86 Nice aluminum tool, easy to grip and turn and n't... Part throttle mixture NY 14779, Copyright © 2021 Toolsource.com Fuel system > Carburetor.! Distributor adjustment tools - SER 2776 online from NAPA Auto parts Stores easy for working in quarters! Tools that are required to make things just a little easier for myself many turns took. 29 mmIncludes Wire cutter.Meets federal specifications GGG-W-00649 the sides of the screws backed. A $ 5 discount code instantly TPS tool Set by OTC®, the reading will be -0.48VDC Stud internal part. My Quadrajet 3C carb and makes adjusting the metering block ( s ) specifications GGG-W-00649 located on sides...