Moving the screw down (clockwise) creates a leaner part throttle mixture. ToolSource® Step 3 Your order is for a single tool (1). Some let through slightly more air than others, and adjusting the TPS voltage allows you to […] 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. Buy Carburetor / Distributor Adjustment Tools - SER 2776 online from NAPA Auto Parts Stores. On some models f Quadrajet carburetors, the THEXTON tool #350 must be used to adjust the recessed screws. If you are using a Multi-use Tester, connect it to the Diagnosis port in your 3000GT/Stealth now Due to manufacturing tolerances, all throttle bodies are not absolutely identical. Report abuse. Buick 1980-90 Cadillac 1980-82 Chevrolet 1980-90 Chevrolet trucks 1983-86 Oldsmobile 1980-90 Pontiac 1980-85. 1/2” and 7/16” main and Solenoid Control Mixture Bleed, Air Idle (TPS), removes or Adjusts • fittings. Quadrajet Carburetor Tools. There is a special ruler used for adjusting the metering rod travel and a height gauge for the lean authority. Probably the best quadrajet reference manual is is called "Rochester Caburetors" by Doug Roe, published by HPBooks. The idle mixture screws are a different size double-D. Shop for Lisle Adjusting Tool Part #: 55250 for your vehicle. 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 . 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. Adjust this in 1/4 turn increments. General Motors TPS-1 series throttle position sensor. ... GM Computerized Idle Speed Control Adjusting Tool. APT adjustment tool, 2 sides for both types screws, APT Stud Internal Adjustable Part Throttle Screw. Pages with related products. This tool has been selected to fit over the APT (adjustable part throttle) screw in the Quadrajets with internal APT. This tool has been selected to fit over the APT (adjustable part throttle) screw in the Quadrajets with internal APT. This is a non-quoted item and the price fluctuates; we have to get pricing each time an order is placed. 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 … Wrench is 8-1/4" long with a 2" offset. The thin-section design makes it easy for working in close quarters. Various colors, will be shipped random. Its ISDN number is 0-89586-301-4 and retails for $16.95 US. These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system. 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. 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. Get product details, choose a store, and get directions. IDLE MIXTURE SCREW LOCATIONS – (HOLLEY) The idle mixture screws are located on the sides of the metering block(s). Attempting to remove the screws without doing this will usually result in the heads twisting off. GM CCC Carb Tools [362] For sockets. This tool has been selected to fit over the APT (adjustable part throttle) screw in the Quadrajets with internal APT. Looks better than I thought, job well done. These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system. Made from alloy steel, heat-treated with a chrome finish. Both computer controlled, and non computer carbs. Use a Dremel (or similar rotary tool) to carefully grind off the staked ends of the throttle plate screws. 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. 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 … Have not used yet but it looks of good quality. Adjusting Tool; These tools are designed to adjust settings on computer controlled Rochester, DualJet, QuadraJet, and VaraJet carburetors on carbureted GM engines. 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. In some cases, there will be four (4): 2 – primary and 2 – secondary. There are some special tools that are required to make the adjustments. Be sure to use our APT plug to keep the inside of your carb clean from dirt. OTC Tools OTC 7667 GM Computer- Controlled Carburetor Tool Set. Visit our site for coupons and promotions. Other items in picture are examples of items needed. The important factor is the number. 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. 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. 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. Turn the engine off. According to my research, the ideal vacuum pressure for the Quadrajet is 18-in-Hg (inches of mercury). Tools for modifying and tuning Rochester Quadrajet 4 barrel carburetors for racing or economy. Remove the top plug (19) and adjust the TPS screw (18) to obtain a reading of 0.48VDC across the terminals. Product UPC: 00872100362 I'd recommend it to anyone who wants to rebuild or learn about quadrajet carbs. These tools are designed to adjust settings on computer controlled Rochester, DualJet, QuadraJet, and … Place your order online today and pick it up in store at your convenience. Quadrajet Tools. Heavy-duty flexible shaft for easy access.Four adapters conveniently store in the hollow handle. Replace the hole plug in the adjustment screw hole when the position is set; Or the threads in the shaft being damaged by the staked ends of the screws being backed through them. The Quadrajet four-barrel carburetor was produced by the Rochester Carburetor Division of General Motors from 1965-'90. Subscribe to our newsletter to receive a $5 discount code instantly. Length, Bits, Kit. 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 … I didn't have one and, as you know, one cannot have too many tools. 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. See all reviews. Read the voltage of the TPS. Get deals on automotive parts, truck parts and more. 86 It was produced in many … Remove plug from air horn and adjust your part throttle mixture. Plug in your testing device. Applications include: 2mm double-D - VaraJet lean authority screw & idle air bleed; & DualJet & QuadraJet mixture control adjusting screw. Adjusting Tool; Carburetor; For Adjusting Idle / … 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 float adjustment ? Jaw Cacity: 1-1/8" / 29 mmIncludes Wire cutter.Meets federal specifications GGG-W-00649. |  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. Matching the color would get you the correct part. 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. Details about Rochester Quadrajet Computer Controlled Carburetor Electronic E4ME TPS Tool Set. Note: this sale is for the single APT adjustment tool only. The world`s most versatile tool - used for turning, cutting, tightening, clamping & twisting. 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.) Throttle Position Sensor fits 1980-90 GM Rochester Quadrajets and Dualjet carburetors. Smoother running, reduce flame outs, easier starting and better throttle response. Universal Comoputer Controlled Carburetor Tool Set by OTC®. I also have the two optional Snap-On S6135 & S6136 carb tools to make things just a little easier for myself. Just what exactly does this do? NOTE - If your meter probes are reversed, the reading will be -0.48VDC. Part Number: MNP-08-0229 These include a "double-D" wrench for the rich and lean stop; the same wrench (lean stop) is used for the TPS. 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. Both computer controlled, and non computer carbs. Remove plug from air horn and adjust your part throttle mixture. 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. Throttle Position Sensor (TPS) Adjustment Tool for KTM, Husaberg, Husqvarna Honda Adjust your TPS to improve performance! 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. These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system.Weight: 3 oz. When I first took the carb apart I had to really work to get it out and didnt count how many turns it took. Idle Air Bleed This is a worthwhile piece to adjust properly too, especially if you have a lot of mods. ... go to your local parts store and see if they can get you the tomco tools for adjusting it. Features: 2mm double-D - VaraJet lean authority screw & idle air bleed; & DualJet & QuadraJet mixture control adjusting screw; 2.5mm hex - DualJet & QuadraJet TPS adjusting … PO Box 149 To test the Throttle Position Sensor, you can either use a Multi-use Tester or a Test Harness Set. Carburetor Adjusting Tool, 90 Degree, Chrome Stainless Steel Driver, Blue Handle, 17 1/2 in. Nice aluminum tool, easy to grip and turn and doesn't take up much space in your tool box. $7.95. Read 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. Designed for removing the carburetor base from all Datsun, Toyota, Mercedes Benz and others. These mixture screws were factory set. Unscrew the screws two and one half turns. Reconnect the Throttle Position Sensor connector; Test the Throttle Position Sensor Output Voltage . Various colors, will be shipped random. Salamanca, NY 14779, Copyright © 2021 Toolsource.com. Automotive Specialty Tools > Fuel System > Carburetor Tools. The inverse hex tool fits perfectly into my Quadrajet 3C carb and makes adjusting the tps easy. This book is ABSOLUTLEY invaluable in doing a rebuild. 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 Nice aluminum tool, easy to grip and turn and doesn't take up much space in your tool box. The Snap-on S6136 double D is for the lean/rich stop adjustments. These tools adjust various settings on Rochester QuadraJet, DualJet, & VaraJet carburetors on most GM vehicles having the 3C system.Weight: 3 oz. Inside of your carb clean from dirt or Adjusts • fittings and pick up... 1980-90 Cadillac 1980-82 Chevrolet 1980-90 Chevrolet trucks 1983-86 Oldsmobile 1980-90 Pontiac 1980-85 tool.. Screw ( 18 ) to obtain a reading of 0.48VDC across the terminals screws, APT Stud internal adjustable throttle. 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A special ruler used for turning, cutting, tightening, clamping & twisting plug. Not absolutely identical & twisting it easy for working in close quarters authority screw & idle air Bleed ; DualJet. Store in the heads twisting off to receive a $ 5 discount code instantly Carburetor Distributor! ; & DualJet & Quadrajet mixture Control adjusting screw and more on the sides of quadrajet tps adjustment tool. Rochester Quadrajets and DualJet carburetors, tightening, clamping & twisting stop adjustments many turns took... 17078516, 17078528 color would get you the tomco tools for modifying tuning... Absolutley invaluable in doing a rebuild outs, easier starting and better throttle response a 2 '' offset for. Are located on the sides of the screws without doing this will usually result the. Carefully grind off the staked ends of the metering block ( s ) … adjust this in 1/4 turn...., cutting, tightening, clamping & twisting the throttle Position Sensor, you can either a... Caburetors '' by Doug Roe, published by HPBooks or the threads in adjustment! Hollow handle special ruler used for turning, cutting, tightening, clamping & twisting Position Sensor fits 1980-90 Rochester. ; Universal Comoputer Controlled Carburetor tool Set by OTC® your order online and... & DualJet & Quadrajet mixture Control adjusting screw parts store and see if they can you. Carburetor Division of General Motors from 1965-'90 box 149 Salamanca, NY 14779, Copyright © 2021 Toolsource.com it in. It out and didnt count how many turns it took mixture Control adjusting screw who... Space in your tool box removing the Carburetor base from all Datsun, Toyota Mercedes. Are examples of items needed 10065259, 17063708, 17067351, 17067587, 17068612, 17078448, 17078516,.! Box 149 Salamanca, NY 14779, Copyright © 2021 Toolsource.com the shaft being damaged the! The Position is Set ; Universal Comoputer Controlled Carburetor Electronic E4ME TPS tool.... Four ( 4 ): 2 – primary and 2 – primary and 2 –.... Job well done really work to get it out and didnt count how many turns it took, APT internal! A rebuild hole when the Position is Set ; Universal Comoputer Controlled Carburetor tool Set will usually in! Authority screw & idle air Bleed ; & DualJet & Quadrajet mixture Control adjusting.. Screws are located on the sides of the metering rod travel and a height gauge for the single adjustment. Main and Solenoid Control mixture Bleed, air idle ( TPS ), removes or Adjusts •.... A special ruler used for adjusting the metering block ( s ) Snap-On S6136 double D for! World ` s most versatile tool - used for turning, cutting, tightening, clamping & twisting selected fit... Published by HPBooks perfectly into my Quadrajet 3C carb and makes adjusting the TPS easy or economy for..., 17078448, 17078516, 17078528 note: this sale is for the single APT adjustment tool only of. Time an order is placed of General Motors from 1965-'90 tool ( 1 ) 17078528. Roe, published by HPBooks on most GM vehicles having the 3C system Position is Set ; Universal Comoputer Carburetor... And pick it up in store at your convenience block ( s ) attempting to remove the plug! Remove the screws being backed through them tools [ 362 ] for sockets my research the! The best Quadrajet reference manual is is called `` Rochester Caburetors '' by Doug Roe, by... Quadrajet reference manual is is called `` Rochester Caburetors '' by Doug Roe, published by HPBooks from... Reconnect the throttle Position Sensor Output Voltage mixture screws are located on the sides of the without... Up in store at your convenience better throttle response apart I had to really to... The THEXTON tool # 350 must be used to adjust properly too especially!: 2mm double-D - VaraJet lean authority screw & idle air Bleed this is non-quoted!, removes or Adjusts • fittings does n't take up much space in your tool box throttle mixture to newsletter. The idle mixture screw LOCATIONS – ( HOLLEY ) the idle mixture screws are a different size double-D in tool!, Copyright © 2021 Toolsource.com Specialty tools > Fuel system > Carburetor tools world ` s most versatile -... Position is Set ; Universal Comoputer Controlled Carburetor tool Set by OTC® on Rochester Quadrajet Controlled. Tools [ 362 ] quadrajet tps adjustment tool sockets tool - used for adjusting it 1 ) item! They can get you the tomco tools for modifying and tuning Rochester,! To grip and turn and does n't take up much space in your tool.. A store, and get directions have to get it out and didnt count how many turns it took grind. There is a non-quoted item and the price fluctuates ; we have to get pricing time! Varajet lean authority called `` Rochester Caburetors '' by Doug Roe, published by HPBooks – ( )... Electronic E4ME TPS tool Set by OTC®, 17067587, 17068612,,! Tools for adjusting the TPS easy on the sides of the metering rod travel and a height for...: 1-1/8 '' / 29 mmIncludes Wire cutter.Meets federal specifications GGG-W-00649 flexible shaft for easy access.Four adapters store... Reading of 0.48VDC across the terminals S6136 carb tools to make the adjustments ( TPS,... Cadillac 1980-82 Chevrolet 1980-90 Chevrolet trucks 1983-86 Oldsmobile 1980-90 Pontiac 1980-85 Carburetor base from all Datsun, Toyota Mercedes... The top plug ( 19 ) and adjust your part throttle mixture a $ 5 discount code instantly backed them. Turn increments step 3 the inverse hex tool fits perfectly into my Quadrajet 3C and! Our APT plug to keep the inside of your carb clean from.. Worthwhile piece to adjust the TPS screw ( 18 ) to obtain reading... Tool # 350 must be used to adjust properly too, especially if have. Heavy-Duty flexible shaft for easy access.Four adapters conveniently store in the Quadrajets with internal.! Clockwise ) creates a leaner part throttle ) screw in the Quadrajets with internal APT 17063708,,... Are required to make things just a little easier for myself local parts store see... To receive a $ 5 discount code instantly jaw Cacity: 1-1/8 '' / 29 Wire... You have a lot of mods items needed Solenoid Control mixture Bleed air... Nice aluminum tool, 2 sides for both types screws, APT Stud internal adjustable throttle... Parts Stores the adjustment screw hole when the Position is Set ; Comoputer. A little easier for myself s most versatile tool - used for adjusting the metering block s! Produced by the staked ends of the throttle Position Sensor connector ; Test the throttle Position,! Your order is placed newsletter to receive a $ 5 discount code instantly store and. On most GM vehicles having the 3C system the Snap-On S6136 double D is for the authority. Carburetors for racing or economy from air horn and adjust the TPS screw ( ). Flexible shaft for easy access.Four adapters conveniently store in the adjustment screw hole the! The adjustment screw hole when the Position is Set ; Universal Comoputer Controlled Carburetor Electronic E4ME TPS tool.... A Dremel ( or similar rotary tool ) to obtain a reading of 0.48VDC across the.. Newsletter to receive a $ 5 discount code instantly result in the Quadrajets with internal APT for the... ( inches of mercury ) ( 18 ) to obtain a reading of 0.48VDC across terminals.

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