This may increase or decrease dwell depending on the pattern of erosion and deposition. The contacts may wear or burn away, which would make the points gap larger and decrease dwell. As dwell is increased the points open later and close earlier, and vice versa for less dwell. It has an adjustment for mechanical adance upper limit (maximum advance stop). 2560001 Mallory Dual Point Distributor American Motors Jeep New Cap (60.3% similar) Instructions are included. Mallory has been making high performance ignition systems since 1932, was even a popular modification to MG TCs when they were new! Ford Flathead enthusiasts will be glad to hear the Mallory Dual Point distributor is back and ready to fire their 8-cylinder engines. This reduction of running heat leads to less wear on the rubbing foot as well as the contacts. Mallory dual point distributor, part number 2556701. New materials and technologies have enabled Mallory to improve the performance and reliability of its basic design for performance engines. points may transfer material from one to the other, leaving a pit in one side and a peak on the other side. The closing time is not very important, but the opening time is, as this directly affects spark timing. So if you want longer dwell, stick with the original Lucas distributor. Mechanical advance is factory set, but can be manually adjusted to suit your engine’s state of tune. Vintage Mallory Double Life Dual Point Distributor Mopar 413 426 440 Zc365hp. The Lucas 4-cylinder distributor cam is almost square with rounded corners. MALLORY DUAL POINT DISTRIBUTOR YL-482-HP MECH. £62.29. This is where you get the 32 degrees dwell (and 58 degrees open time) for one contact set. When it does touch the cam the points open momentarily to hop over the lobe and then close quickly. mallory tune-up parts 25 and 26 series 27 series contact point adjustment 8 cylinder mech. Mallory Rev Pol Dual Point Distributor Big Block Mopar Gasser Hot Rod Rat Truck. Missing the cap and a cap clamp. Also the two contact sets can share the electrical current load most of the time, so there can be less heating of the contacts and/or rubbing foot. There is one more notable feature of the Mallory Dual Points distributor. Mallory Dual-point Distributor Six Cyl Zcm Type 200 D. Fits Mopar Flat Heads. MALLORY DUAL POINT DISTRIBUTOR YL565HP. Free shipping. £17.68 postage. The real reason for using dual points is for improved life, long term stability and reduction of service calls, but has naught to do with increasing dwell. MALLORY POINTS TYPE DISTRIBUTORS - IG-202 - Page 1 of 3 This is the instruction set which comes with a Mallory points type distributor. The rubbing foot may wear down a bit, which brings the points closer together and increases dwell. Tell us about your vehicle to find the right parts faster, - Mallory Dual Point Distributor 2563401 Oldsmobile V8 350-455, - Mallory Dual point Distributor #2556701, - Mallory Distributor 2555301 Dual Point Mechanical Advance Ford 332-428 FE, - Mallory Dual Point Distributor Chevy SB BB 2748201, - PerTronix ML-161 Ignitor Kit-Mallory 6 Cylinder Dual Point Distributor, - USED MALLORY YL-553-HP FORD MERCURY 427 390 DUAL POINT DISTRIBUTOR NON-ADVANCE, - Mallory 2548201 Dual Point Distributor Chevy V8, - MALLORY DOUBLE LIFE DUAL POINT DISTRIBUTOR MOPAR 426 HEMI 440 YC-365-HP w/ CAP, - Vintage Mallory YC-310-HP Double Life Distributor Chevrolet Race V8 Dual Points, - USED MALLORY YC-310-HP DOUBLE LIFE DISTRIBUTOR CHEVY V8 DUAL POINTS 283 327, - PerTronix ML-181 Ignitor Kit-Mallory 8 Cylinder Dual Point Distributor. $125.00. A curve kit with a selection of advance springs of various weights allows you to finely tune your Mallory distributor. Contact points "wear" with use in various ways. Its small compact housing along with the elimination of old fashioned points made it popular among performance enthusiasts when it came to engine performance. The 283 CI engine had a GM Duntov 067 cam and 11:1 Corvette GM (TRW) forged pistons, 3-2 bbl carbs from a '66 GTO, 3-speed O.D. Mallory Ignition 2527501 - Mallory Point Distributors Distributor, Dual Points, Mechanical Advance, Gear Not Included, Ford 1949-53, Flathead V8, Each Part Number: MAA-2527501 Mallory Dual Point Distributors (2) Mallory Replacement ... Mallory Distributor Rotors (1) Mallory Magnetic Breakerless Modules (1) See More. This large difference in dwell angle between Lucas and Mallory is obvious to the eye if you look inside. The last points set to open "breaks" the circuit and will incur any ravages caused by a small amount of arcing when opening. 3156701 Mallory Vintage Dual Point Distributor Ford Lincoln Mercury (65.5% similar) This is a complete, vintage Mallory double life, dual point distributor and copies of the installation service instructions degree key. £65.96 postage. With the dual points distributor, the first points set to close "makes" the circuit and will incur any ravages caused by a small amount of arcing when closing. The Lucas 4-cylinder distributor has dwell of 60 degrees. Find Mallory Ignition 2527501 Mallory Point Distributors and get Free Shipping on Orders Over $99 at Summit Racing! Then you may need to go back and check/reset the timing again, as the dwell adjustment could have changed the spark timing. 1x Mallory YL-482-HP Dual Point Distributor $50.00. 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. These distributors use special, heavy duty points for increased RPM range and coil output. The Mallory Dual-Point is supplied without a drive dog or gear, which must be transferred from the old distributor. In the interest of maintaining accurate spark timing, there is a vested interest to minimize changes of dwell, which leads to an interest in decreasing wear on the contact points. For what it's worth, I commonly run more than 20,000 miles on the Mallory Dual Points distributor without touching the points. Vintage 1970and039s - $2021.00 Vintage 1970and039s Mallory Dual Point Distributor Big Block Mopar Engines 383 400 B I checked it on my distributor machine and the dwell is set at 34 degrees centrifugal advance 12 which 24 crank. Vintage Mallory complete dual point distributor MoPar, Dodge 413,426,440 V8. Free FAST Shipping, 60 Day Returns, Expert Tech Support, Free FAST Shipping, Free Returns, Expert Tech Support, Amounts shown in italicized text are for items listed in currency other than Canadian dollars and are approximate conversions to Canadian dollars based upon Bloomberg's conversion rates. The Mallory was not running correctly so we drove to the Mallory Headquarters in Dearborn, Michigan. $18.20 shipping. DUAL POINT DISTRIBUTOR INSTALLATION Step 5 Remove the cap from the Mallory distributor. See each listing for international shipping options and costs. advance dual point single point distributor cap 209 209 rotor 309 310 point gap, .022" point gap .018" high energy distributor cap 208* 208** high energy rotor 308 307 performance points 25042x standard points 25042 157 dwell (ea.) Closing the store after many years in business. When the 8-cylinder Mallory Dual Points makes 33 degrees dwell it is down to only 12 degrees open. For various distributors dwell can be anything from 30 degrees down to 60 degrees, and open circuit can be anything from 60 to 12. This is Garage Sale priced because it has been discontinued. Read real customer reviews and sign up for email sales, coupons, and specials so you can save even more. Ford Y-block Fans, Back in the 60's I was running a '56 Fairlane, stick sift, tripower and a Mallory dual point ignition. Looking at an 8-cylinder single points distributor, the dwell may be 30 degrees with an open time of 15 degrees. £168.52. Fits 1949-1962 Chevy 216, 235, and 261 engines. You might see where this trend is going. 5 watching. So if neither dwell nor open time is particularly important, you might ask why dual points may have any advantage. Mallory single points distributor has dwell of 35 degrees. 1960s Mallory Distributor 1960s Mallory Distributor Yc 343 Hp 12v Ign Coil Wires Ford Fe 390 427 428. With dual points you set the gap on both sets of points, then set the timing, which is controlled solely by the secondary points (which open last). Mallory designed, engineered, and race-tested the original point distributor over 65 years ago. Mallory's classic dual point distributor can be tailored to suit any engine tune. Free FAST Shipping, 60 Day Returns, Expert Tech Support. or Best Offer. MALLORY YL 482-HP Distributor Description Yl 482 Hp Mallory Dual Point. C $102.64. Engine Family. Here an increased dwell runs into decreased open time. That one looks more like a cylinder with four flat sides. This may be even more important if you also install a high output ignition coil which draws more current, which may noticeably shorten the life of single points. £63.50 postage. This page was last updated: 08-Feb 20:08. Mallory dual point distributors stabilize contact points eliminating point float and bounce to increase coil output. S I p o P n s X o I G R r e U 0 N d D Q. John goes over the pros and cons of the Mallory distributor. This is why 12-cylinder engines commonly use two 6-cylinder distributors. Run for less than 1000 miles. $89.99. On a dual point distributor, one set will open with no spark and the other will spark when it opens. 2555401 Mallory Distributor Dual Point V8 Ford 351w Ump Imca Ihra Nhra Wissota (42.6% similar) Payment to be made within 72 hours of item closing. so you don't have to buy new or modify the mechanical limit stops or advance weights. 3156701 Mallory Vintage Dual Point Distributor Ford Lincoln Mercury (71.1% similar) This is a complete, vintage Mallory double life, dual point distributor and copies of the installation service instructions degree key. ADV. or Best Offer. If the points may last roughly twice as long in service (and they do), it may not be such an increased expense to replace two sets of points instead of one. View cart for details. $60.00. $9.99 shipping. If the spark is a big fat one, then the condenser is bad and needs to ... the Mallory distributor so that the vacuum chamber is pointed in the same direction as the original. The Mallory distributor is part number this a used for amc and jeep v8 engines. Eventually I upgraded to a MSD as I got hooked on nitrous. A legend has returned: the Mallory Unilite Distributor is back! 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. SB & BB Chevy Engines, Mechanical/Vacuum Advance, Optical Pick-Up, Billet Body, Used condition, local pickup, South Bend, Indiana £65.96. Vic Correnti Since the make and break functions are done by different contact sets, the two sets of points share the wear and each will therefore wear less with time, causing less variation of dwell and timing, and it can run longer between required adjustment or points replacement. Part number only ship to the lower 48 states. $ 67.50 +$15.05 shipping See Less. It is particularly well suited to Weber carb installations. Easy to use website narrows product selection so you always find the rights parts. Brand New. Be sure that the distributor is seated in the block. 1 product rating - Mallory Dual Point Distributor 2563401 Oldsmobile V8 350-455. Will need rebuild before use. The distributor includes original Mallory dual points, nos rotor, condenser and an blue cap with to body seal. The Mallory distributor has dual-point sets—one set leading and one set trailing, for more complete combustion and cleaner running. or Best Offer. Here the rubbing foot on the points spends the larger part of the time riding along on the cylindrical surface of the cam holding the points open, and then takes a short dip into the flat area to allow the points to close momentarily. 5 out of 5 stars (1) 1 product ratings - Mallory Dual point Distributor #2556701. Out came the Mallory. I have a dual point mallory #ZC325B tach drive distributor I ran on and off for 30 years on my Tbird. The cam in the Mallory distributor is much different, and also obvious to observe. By simple observation it is obvious that the points are closed about twice as long as they are open, so you have 60 degrees dwell and only 30 degrees open. Yes, dwell is the rotation angle when the points are closed (connection to ground). 2555401 Mallory Distributor Dual Point V8 Ford 351w Ump Imca Ihra Nhra Wissota (38.7% similar) Payment to be made within 72 hours of item closing. Product Attributes: for makes=chevy, brand=mallory, mpn=yl 482-hp, warranty=no warranty, country/region of manufacture=united states, sku=6290008006601372, types=distributor. In the rear of headquarters were three bays and two technicians. 283-454 Chevy SB BB DAY 2. $15.50 shipping. Mallory Dual Point Distributor 2556701 Ford 351c 429 460 Mustang Mercury Cougar: For parts or not working. Click here to shop for Mallory Dual Point Distributor and get free shipping with guaranteed lowest prices. Line up the rotor so that it points in the same direction as the original, and install it in the engine block. It is being sold as is with no warranty....(January 15th, 2016) FORD 5.0 DISTRIBUTOR mallory 8470405. The Lucas 4-cylinder distributor has dwell of 60 degrees. Then if necessary you can change the dwell by adjusting the primary contact set, which will have no effect whatsoever on spark timing, so you don't have to reset timing after adjusting dwell. Super-Duty Cap and Rotor feature brass terminals to prevent shorting and arcing. The distributor includes original Mallory dual points, nos rotor, condenser and an blue cap with to body seal. Vintage Nos Mallory Vintage Nos Mallory Dual Point Mico Electric Conversion Kit 1959 69 Ford V8 Ct31. There is another effect which makes adjustment easier. With single points you set the contact gap first, then run the engine (or spin the distributor) to check dwell, then re-adjust the points (if necessary) to get the correct dwell. The answer is stability, durability, accuracy, and a certain ease or convenience of adjustment. advance vac. This is a Mallory dual point distributor for a ford v8 351w. A V8 engine might run 6000 rpm with a single distributor making 400 sparks per second, and you still get a hot spark, so it's no big deal for a 4-cylinder to do 200 sparks per second (or more if you have a heavy foot). A staple back in the 70’s, the tried and true Mallory Unilite was the original performance distributor. Mallory Dual point Distributor #2556701. $75.00. This Distributor will fit all RB block Mopars, 426, 440, 413, 426 ... Mallory Dual Point Distributor for Mopar 440 - $100 (Show Low) Mallory Dual point distributor. Pulled the motor out and kept the distributor.Ready to run. As the cam rotates the rubbing foot on the points spends a lot of time in open air not touching the cam. For more recent exchange rates, please use the. And because total advance is … 143-180 mallory dual-point distributor|mallory dual-point distributor If the condenser is going bad or is the wrong capacitance value, And never had problems, the tried and true Mallory Unilite distributor is number! Mallory dual-point is supplied without a drive dog or gear, which brings points! A handy feature if you do any special tuning ( and 58 degrees open time of 15.! 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Mallory Headquarters in Dearborn, Michigan any advantage important, but the opening time is as. And then close quickly am one happy customer ( except for the prices on Mallory tune up )... Heat leads to less wear on the points open later and close earlier, and race-tested the original distributor!, and vice versa for less dwell that it points in the 70 ’ s state of tune check/reset timing! 482 Hp Mallory Dual Point distributor INSTALLATION Step 5 Remove the cap from the distributor! Here an increased dwell runs into decreased open time of 15 degrees ready to fire 8-cylinder..., stick with the original, and vice versa for less dwell reason why Mallory uses Dual points ( I! Fe 390 427 428 of points gap induces a change of points gap induces a change dwell. Vintage Mallory complete Dual Point distributor can be tailored to suit your engine ’ s, the and. Bays and two technicians commonly use two 6-cylinder distributors n s X o I R... Difference in dwell angle between Lucas and Mallory is obvious to the lower 48 states 1x Mallory 4748201 Electronic!, stick with the elimination of old fashioned points made it popular among performance enthusiasts when it came to performance... May be slightly out of 5 stars ( 1 ) 1 product ratings - Mallory points! Use special, heavy duty points for increased RPM range and coil output, accuracy, specials! Mallory vintage Nos Mallory Dual Point distributors stabilize contact points eliminating Point float bounce.