A DELCO dual point system is just one example and was used on the model L Lincoln. By Tom Benford. Some are set higher or lower, so check your manual to be sure. this means that if the ignitor has a fault, it will not operate at all.. if the vehicle has an intermittent fault, at certain times or revs, this is generally an These lobes act as cams to push the points open, thereby breaking the electrical connection between the points. This guide is, of necessity, incapable of addressing every conceivable ignition or engine fault. $35.00. Clean all dirt and excess oil from the breaker plate and point cam. This is our most popular distributor and they require an MSD Ignition Control such as a 6AL or 7AL-2 Ignition Control. Mallory Unilite distributors include self-contained modules that require a ballast resistor, loom resistance wire, or internally resisted … Now get ready for more... 5 times more spark energy than points systems. This pretty well covers all of our distributors, however this is our traditional distributor. The distributor shaft has lobes that contact the rubbing block. IGNITOR INSTALLATION 1. One point of clarification right up front: For those of you who bought a Mallory Dual Points distributor to have longer dwell for a hotter spark, you have been bamboozled, or are misinformed. Note that the base of the cam is not perfectly circular, instead featuring points and … The ignition coil is truly an amazing little device. modification to the distributor. As the ignition pickup essentially functions as the activation switch for the entire ignition system, when it fails , it can greatly affect the operation of the vehicle. Troubleshooting a Duraspark distributor As mentioned before on a duraspark system, the actual disruption of power through the coil is done by the ignition module, but in order for it to know when to switch on and off it needs input from the distributor. With an ever-expanding line of SuperCoils and all the spark plug wires, tune-up kits, and fuel injectors hot rodders have trusted and relied on for years, ACCEL is constantly developing innovative new products designed to push power, speed, and performance to match advancements in automotive technology. An MSD billet distributor is the most popular choice for a hot street- or race-type application. The Distributor Lookup tool is an additional resource to help identify the proper PerTronix Ignitor Point Conversion Kit for use with Factory or Aftermarket Distributors. Jump to Latest Follow 1 - 4 of 4 Posts. Stabilize coil current and prolong point life with Mallory ballast resistors. Adjusting the point gap is a simple process, but it takes some practice to get the hang of doing it properly. To measure the point gap, you need a set of feeler gauges. Ultimate Magneto Troubleshooting Guide How to diagnose your magneto/ignition system issues. Dual point distributor. Step 3 Remove the old points and condenser from the distributor by removing the holding nuts and their wiring connector nuts in a counterclockwise direction with an adjustable wrench. Mallory dual point distributor Mopar 383/400. The purpose of the dual points is to increase the dwell and allow wider point gaps. Under the ‘Ignition Parameters’ sub-menu, the ignition type will need to be set to custom, and after clicking configure you will be given a series of drop down menus that will be used to calibrate the ECU to correctly decipher the crank sensor, cam sensor, and output signals of your new dual sync distributor. Whether you have a Slick magneto, a Bendix magneto, single or dual, QAA’s searchable magneto guide allows you to pinpoint your problem. TROUBLESHOOTING Ignition Coil Troubleshooting: (No) Fire in the Hole. Set the gap of the breaker point’s two contacts with a feeler gauge. Vintage NOS Mallory Rev-Pol Transformer Red Coil CT31. To fully open the points, twist the distributor cam. (Dual Point Distributors Go To Step 2) This causes the magnetic field to collapse around the coil. Point gap setting incorrect Consult Unison Manual L-1363, Section 7.10 for point gap specifications. Actually wish to ask two questions: 1. And to recap, when using a point style distributor to trigger an MSD ignition system, you don’t need a dual point setup (which effectively adds dwell time) - nor do you need the condenser. The purpose of the point set in the distributor, and the way it is ultimately wired, is to tell the MSD ignition box when it’s time to fire. B. BubbaG ... Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more! troubleshooting tips for your pertronix ignitor® and coil installation first, read the instructions that came with your kit or coil! (The distributor is usually mounted at the top of the engine near the front or rear of the engine block, depending on your vehicle.) Full Forum Listing. By the dawn of the 1950’s, the top dogs at the dry lakes were using systems like this and they were, by this time, being produced by manufacturers such as Spalding, Charles ‘Kong’ Jackson and Harman-Collins, all excellent units. Distributor Vacuum Advance Control units Specs and facts for GM Point-Style Distributors by Lars Grimsrud SVE Automotive Restoration Musclecar, Collector & Exotic Auto Repair & Restoration Broomfield, CO Rev. Now part of Holley Performance, ACCEL offers a … Computer-wound to ensure resistance value. ... Troubleshooting. A dual point system has two sets of points, slightly offset, driving one coil. Have one 350 with a mallory dual point distributor. This version has two coils, two condensers, two sets of points and even the rotor and distributor cap have separate contacts for the two ignition systems. This provides reliable performance, and is said to be able to handle up to 10,000 rpm—well beyond the working range of any FE. 4. Recommended when a new coil is installed. Ignition Troubleshooting: IGNITION CIRCUIT. a dual point, dual coil distributor and adding the larger coils as well. When the distributor shaft bushings failed, they may have damaged the distributor body more than you thought. Mallory Dual Point Distributor Cap New In Box 4 Cylinder. The original car used a standard ignition circuit that incorporated a single or dual-point distributor. Set the Distributor Place the replacement distributor in … (2) The lubricating point is full of grease as if clogged. The Cycle As the distributor drive shaft continues to rotate, and the corner lobe of the cam moves away, the contact breaker points will spring shut, completing the primary circuit and beginning the process of charging the primary coil once again. the book at the dealer, which is the parts book for 1970 only show a single point for the 4bbl. Free shipping. Place the point into the distributor. The distributor has a 2-pin connector that plugs directly into an MSD Ignition. $4.15 shipping. When you hook up your system, check whether the distributor requires a ballast resistor. $9.00 shipping. It works OK but I really dont understand the configuration. IG-201 - Mallory DUAL POINTS DISTRIBUTOR - 160,000 mile report IG-201A - Mallory DUAL POINTS DISTRIBUTOR - 200,000 miles Plus IG-201B - Mallory DUAL POINTS DISTRIBUTOR ... IG-205T2 - Pertronix Module Troubleshooting (322-K pdf) IG-206 - ELECTRONIC IGNITION, MSD IG-207 - ELECTRONIC IGNITION, Crane/Allison XR700, XR3000 The Lucas 4-cylinder distributor has dwell of 60 degrees. Most kits today will use an electronic distributor, and many use a multi-spark unit such as the MSD. (d) Assemble the distributor, paying attention to the position and orientation of each part. 5. Correct as required. Overtorqued impulse coupling nut What we think you need to do is the dump the dual point and get an MSD electronic distributor and an MSD 6BTM ignition box. $89.99. The pickup coil monitors the rotation of the distributor and triggers the ignition system at the optimal moment to produce the best timed spark for best engine performance. A point gap tool, which is used to set the gap on the spark plugs, will do this for you. The only problem is the code calls for dual point but the 1970 book at the dealer tells me the 4bbl used single point dist. $95.00. Explore Our Forums. Instantaneously, when the points open (separate) current flow stops through the primary windings of the ignition coil. An ignition coil is a type of pulse transformer that multiplies the low voltage received from the battery or alternator to many thousands of volts when the breaker points open and close. If you have a dual-point setup, you'll need to use the supplied low-profile screw in the breaker point … The dual point was used on 340 & 440 6bbl & the hemi. We used a single-point distributor for this conversion. Most cars have a point gap of about 0.019", or the thickness of a matchbook. Others have replace the tachometer (Some even resorting to disassembly an aftermarket electronic tachometer and mounting it behind the factory gauge face plate.) A Ford dual point has 33° with a .019" gap. One half of the point set is fixed, the other half pivots and there is a rubbing block on the moveable half of the point set. (c) Clean the distributor inside and the piston with kerocene. I know there are devices that produce a mechanical tach driver from an electronic signal on the market. You have seen the performance increases the Ignitor ® and Ignitor ® II series of electronic ignitions have brought. Single Point Distributors only. The Dual-Point Hydrostatic Reservoir Sensor accurately detects fluid level change in the reservoir and interstice of a double wall storage tank. As the rotor arm is connected to the same drive shaft as the cam, the two rotate at the same rate.Therefore, at the point that the next corner … The following troubleshooting guide is designed to help you, the mechanic or pilot, determine if the source of your ignition system’s “bad mag check” lies with your engine’s magnetos. In Faulty impulse coupling Consult Unison Manual L-1363, Section 3.3.4, for impulse coupling specifications and Inspection procedures. As the engine rotates, the distributor shaft cam turns until the high point on the cam causes the breaker points to separate suddenly. Premium ceramic bodies provide maximum durability and superior heat transfer. The Dual-Point Hydrostatic Reservoir Sensor is ideal for high groundwater areas, and can differentiate between a high level alarm condition and a low level alarm condition. If the cause of the defect cannot be eliminated even after the above, replace the distributor with a new one. Therefore the point, condenser and hardware can be used as backup. Set the point in a vice or on a flat surface in order to set the spacing. note: the pertronix ignitor is effectively a "go" or "no" system. 5. $9.99 shipping. I just want to make it right. You should always use the Year, Make, Model search to ensure the most comprehensive search results. If you’ve got a Holley EFI system installed in your strip burner or street rod and you’re looking for more power, you need the Dual Sync Distributor, because it’s plug and play compatible with the EFI system you’re already using. Several auto manufacturers from the early years up through the 1950's used a dual point ignition system. A standard Ford single point distributor has about 28° dwell with a .014" point gap. $129.99. Our all new Ignitor ® III ignition modules are designed for the serious 8 Cylinder performance enthusiast who demands serious power. The heavyduty distributor body is machined from a solid bar of 6061 T-6 aluminum. Holley PN 565-1xx series Dual Sync Distributor is available for most popular applications. Dual-Point Hydrostatic Sensor. 3. “Gap” refers to the distance between the two tips of the points assembly when fully opened. The . Vintage NOS Mallory 12v Voltmaster Molded Coil CT31. And, at that point, I'd still recommend the Dual-Sync distributor instead. QAA is proud to announce the completion of the most comprehensive magneto troubleshooting guide ever assembled.
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