Various colors, will be shipped random. I also have the two optional Snap-On S6135 & S6136 carb tools to make things just a little easier for myself. Probably the best quadrajet reference manual is is called "Rochester Caburetors" by Doug Roe, published by HPBooks. 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. 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. PO Box 149 Smoother running, reduce flame outs, easier starting and better throttle response. Jaw Cacity: 1-1/8" / 29 mmIncludes Wire cutter.Meets federal specifications GGG-W-00649. 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 plug from air horn and adjust your part throttle mixture. Looks better than I thought, job well done. 86 Throttle Position Sensor fits 1980-90 GM Rochester Quadrajets and Dualjet carburetors. ... go to your local parts store and see if they can get you the tomco tools for adjusting it. Remove the top plug (19) and adjust the TPS screw (18) to obtain a reading of 0.48VDC across the terminals. GM CCC Carb Tools [362] For sockets. Plug in your testing device. APT adjustment tool, 2 sides for both types screws, APT Stud Internal Adjustable Part Throttle Screw. There are some special tools that are required to make the adjustments. Read more. This tool has been selected to fit over the APT (adjustable part throttle) screw in the Quadrajets with internal APT. 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 … Get product details, choose a store, and get directions. Part Number: MNP-08-0229 Automotive Specialty Tools > Fuel System > Carburetor Tools. On some models f Quadrajet carburetors, the THEXTON tool #350 must be used to adjust the recessed screws. These tools are designed to adjust settings on computer controlled Rochester, DualJet, QuadraJet, and VaraJet carburetors on carbureted GM engines. General Motors TPS-1 series throttle position sensor. It was produced in many … Heavy-duty flexible shaft for easy access.Four adapters conveniently store in the hollow handle. Get deals on automotive parts, truck parts and more. 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. 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. Quadrajet Tools. |  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. Nice aluminum tool, easy to grip and turn and doesn't take up much space in your tool box. 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. 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. When I first took the carb apart I had to really work to get it out and didnt count how many turns it took. $7.95. Matching the color would get you the correct part. NOTE - If your meter probes are reversed, the reading will be -0.48VDC. The important factor is the number. Both computer controlled, and non computer carbs. Pages with related products. In this tech article CAR CRAFT demonstrates how to rebuild an aging electric Quadrajet carburetor from a 1985 Chevrolet Monte Carlo and we install throttle shaft bushings and … These include a "double-D" wrench for the rich and lean stop; the same wrench (lean stop) is used for the TPS. The Snap-on S6136 double D is for the lean/rich stop adjustments. Salamanca, NY 14779, Copyright © 2021 Toolsource.com. Universal Comoputer Controlled Carburetor Tool Set by OTC®. This book is ABSOLUTLEY invaluable in doing a rebuild. Length, Bits, Kit. This is a non-quoted item and the price fluctuates; we have to get pricing each time an order is placed. ToolSource® Various colors, will be shipped random. IDLE MIXTURE SCREW LOCATIONS – (HOLLEY) The idle mixture screws are located on the sides of the metering block(s). Unscrew the screws two and one half turns. Or the threads in the shaft being damaged by the staked ends of the screws being backed through them. 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 Replaces Rochester OEM TPS# 10065259, 17063708, 17067351, 17067587, 17068612, 17078448, 17078516, 17078528. Applications include: 2mm double-D - VaraJet lean authority screw & idle air bleed; & DualJet & QuadraJet mixture control adjusting screw. According to my research, the ideal vacuum pressure for the Quadrajet is 18-in-Hg (inches of mercury). These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system. These mixture screws were factory set. See all reviews. Place your order online today and pick it up in store at your convenience. Details about Rochester Quadrajet Computer Controlled Carburetor Electronic E4ME TPS Tool Set. Electronic E4ME TPS tool Set by OTC® to use our APT plug to keep the inside of your carb from! 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Sale is for the single APT adjustment tool, easy to grip and turn and does n't take up space! 1980-90 quadrajet tps adjustment tool trucks 1983-86 Oldsmobile 1980-90 Pontiac 1980-85 ( adjustable part throttle mixture in... To Test the throttle Position Sensor connector ; Test the throttle Position Sensor 1980-90... The staked ends of the throttle Position Sensor fits 1980-90 GM Rochester and! And see if they can get you the tomco tools for adjusting the TPS (! For turning, cutting, tightening, clamping & twisting ; Carburetor ; for adjusting it ) in... The recessed screws, especially if you have a lot of mods tool has been selected to fit over APT... S6136 double D is for the lean/rich stop adjustments Cadillac 1980-82 Chevrolet 1980-90 trucks.