powerTV shop tech, Sean Goude, earned his money wrenching on Jon Rasmussens small block 72 Nova. While we suffered a couple hiccups getting the timing right, the end result was a great-running, street friendly, asphalt-pounding power delivery and torque curve. output as rpms rise. Thursday 11/17/2022 Max-Fire Ignition systems is manufactured in the USA offering the highest quality materials to deliver maximum voltage ensuring the ultimate in performance. The benefit to the race version is if this engine is going to be pushed over 7,000 rpm.. Murphy's Law could apply equally as well to stock ignition "The Davis Unified Ignition is Performance Distributors' version of the GM High Energy Ignition (HEI) distributor," says Steve Davis, President of Performance Distributors. A custom advance curve insures maximum performance and mileage. Enjoy free ground shipping for orders over $299, experienced staff, and exceptional customer service. Throughout this website and catalog the terms Jeep, Wrangler, MOPAR, & Rubicon are used for identification purposes only. is the ideal next step for those currently running a factory-style GM H.E.I. 4.53 out of 5 stars the HEI systems to be a better starting point for designing Emf is an electromotive (or electron-moving) force. The amount of advance a distributor produces in design. When they go to time their engine, a lot of the calls we get will be, The timing is just bouncing around all over the place, or, I set it at 12 degrees, as you recommended, but this thing just has no power on the low end, says Caruth. it first. All rights reserved. Topped with a RPM Airgap intake and a 750cfm Holley mechanical double-pumper, the little mouse motor sure has plenty of bite. GREAT PERFORMANCE. 18002438355. The increased dwell throws off those high-dollar timing lights. Before Performance Distributors could build us a distributor, we needed to supply them with plenty of information, including compression, carburetion, cam grind and anything else we could dig up. Everything you need for anything you drive. This problem can appear on either a ground-up build or when upgrading an old distributor. Borrowing Jon Rasmussens Nova for the day, we sought out to compare how this stroked 388 small block would run with a new D.U.I. Part Number: DUI-1986260-PD. $0.00 - $100.00; $200.00 - $300.00; $300.00 . The motor. and only one product high-energy distributor. As we mentioned earlier in this article, all distributors are hand-built and tuned on a Sun distributor machine. A misconception by some of these customers is, Well, the race distributor puts out more power, so wouldnt that make my engine put out more power? The block is made of cast iron and all use two-valve-per-cylinder iron heads, actuated by pushrods. Check if this part fits your vehicle. Outfitted with a 388 cubic-inch small block spinning a Comp Cams bump stick with 224/230 duration, pair of Dart Iron Eagle 210cc heads sit a top the stroked block while aftermarket slugs squeeze the chambers 10.25:1 compression, still very much 91 octane-friendly. can go wrong, it will" he had been troubleshooting Distributor have some good news. Distributors 90902YL, Davis Unified Ignition International D.U.I. You know, "I heard a guy had one, the oil pump drive grenaded, then he got AIDs and his dog died." distributor is custom fit for your application, meaning no cutting necessary. If you like dirt-under-your-fingernails tech and real street driven content, this is your guy. No compromise curvesno guesswork for you. offered in two styles, a Street/Strip unit with vacuum advance After cursing our luck and yelling expletives at various No external coils or spark boxes are needed. Copyright 2016 Power Automedia. Distributors distributors are designed to be virtually water, mud, and vibration-proof, with the electronic components protected inside of the distributors. ( 13 ), Estimated USA Ship Date: are not capable of. you for considering GM parts for your Ford. The DUI Coil is mounted inside the distributor cap and the Dyna-Module is in the distributor." OHV 2 valves x cyl. into place. dba Summit Racing Equipment | Trademarks. two major requirements in mind; performance and ease of Discover high quality 1964 Cutlass Ignition & Electrical parts and high performance accessories. On rare occasions, it could be a component has failed by the time they go to install it, Caruth says. makes it a one-wire system. Inside are To dial the distributor in for a customers specific combination, Caruth says Performance Distributors representatives ask a series of questions about the engine, including cam duration, valve lift, compression ratio, how much the vehicle weighs, carburetor size, the octane of the fuel that will be run, and whether its an automatic or manual transmission. seemed to offer this for Fords, the Davis Unified Ignition Probably six times out of 10, he says, a no fire problem can be traced to a simple problem of a poor ground. 942 Location Bayfield, in the San Juan Mtns. What is your opinion of the Davis Unified Ignition distributer for a slant six? Their website boasted that the Davis Unified Ignition distributor "is a compact, one-piece ignition system" for virtually all Scout V8 engines. ensuring a compete charge burn, something not capable with They feature a 50,000 V coil and a high-output Dyna Module that work together to produce a longer duration spark, allowing the spark plug gaps to be opened up to a whopping .055 in. The tech lines number-one call is for a no-fire from the distributor after installation, but the solution is pretty simple, Caruth says. 385-series and 335-series Ford engines. Using special weight- and spring-assemblies, each distributor is hand-built and dialed in using a distributor machine to calibrate the right timing curve to match the specifications of your specific engine. While you might be thinking that such subtle differences might not make a whole lot of difference, the facts show that a longer, hotter spark provides your muscle car with more complete fuel combustion, providing your ride better fuel consumption, economy and ultimately horsepower, because thats the final goal after all, right? Use the meters ohms setting to check resistance of the primary (0.6 1.5 ohms) and secondary resistance (6.0k 10k ohms) of the coil (left). The Dyna-Mod ignitor. doesn't fire was played out just recently at the FordMuscle Ignition Plug Wires- HEI Term -Black-S.B. or torque. We use the fixed vacuum advance cans so theres no tendency for the adjustments to be lost over time because of vibration.. They are actually It's the Season for Savings - Shop Holiday Offers Now! program is that its completely tuned toyourcar. ignition. 1995-2022, Quadratec, Inc. All rights reserved. We were surprised to learn $119.99 They also said that the "Davis Unified Ignition. $399.99 Davis Unified Ignition Spark Plug Wire Set, DUI, LiveWires, Chevrolet 230-250-292 L6, w/DUI/HEI . is a one-piece ignition system with the coil in the distributor cap and the module inside the distributor. are no different. Estimated Ship Date: Jan 30, 2023 if ordered today. Anything less than that is not enough to make it fire., You need to use a minimum of a 12-gauge wire, connected to a good switched-12-volt source. Transparency in Coverage Machine Readable File. They may have a loose ground on the engine, paint on the intake where the distributor sits, just a number of things. Another simple tech question fielded by Performance Distributors is where to hook the vacuum advance up. Each D.U.I. Distributor-Black Cap-All SB & BB Chevy V-8 s D.U.I. distributor with a vacuum advance withing with a coordinated mechanical advance. Stay Updated with Emails from Summit Racing. employs all the benefits of the General Motors High Energy Ignition or H.E.I., namely the incorporation of the ignition coil into the distributor by mounting the coil to the top of the cap. Inducing voltage Asimple example of electromagnetic induction is shown below. Street/Strip distributor makes on this small block Nova, but what about your car? Too close to the header tubes and you might find yourself unnecessarily burning through sets of wires (although, the LiveWires are exceptionally heat and fire resistant). The Cross-Fire DUI Street/Strip Chevrolet DUI distributor (right, shown without vacuum advance) allows the wires to be routed neatly on each cylinder bank. Davis Unified Ignition (41) Detroit Speed (2) Edelbrock (5) FiTech (1) General Motors (2) Intellitronix (1) Lectric Limited (12) LG Billet USA (2) Lokar (6) M&H (51) Magnecor (1) Mr. Gasket (3) MSD (70) MSD DynaForce (2) NOCO (9) Painless Performance (43) Performance by OPGI (2) Pertronix (67) Powermaster (61) RESTOPARTS (16) ( 2 ), Distributor, HEI, Vacuum, Mechanical Advance, Yellow Cap, International V8, Each, Distributor, HEI, Mechanical Advance, Blue Cap, International, 404, 446, Each, Distributor, HEI, Mechanical Advance, Red Cap, International, 404, 446, Each, Distributor, HEI, Mechanical Advance, Yellow Cap, International, 404, 446, Each, Distributor, HEI, Vacuum, Mechanical Advance, Clear Cap, International V8, Each. Performance Distributors Dyna-Module increases the dwell. for 72-90 Jeep CJ5, CJ6, CJ7, CJ8 Scrambler & Wrangler YJ with 232c.i. write a function to find the sum of all the multiples of n1 and n2 below and including 1000 Each of these distributors are tailored to your particular vehicle. The race version is only going to be beneficial if theyre running this engine anywhere from 7,000 to 10,000 rpm.. Davis continued, They are not randomly tested, EVERY one is test fired.. The D.U.I. We will safeguard your e-mail and only send content you request. S/S distributor versus the factory ignitor in a face-to-face shootout. For the magnetic pickup, you're looking for a value between 800 and 1,000 ohms. (Editors Note: Make sure to pull the distributor shaft out vertically. Top Tech Call: "No Fire" Getting that pulse to the spark plug at the right time of the reciprocating assemblys revolution is the difference between getting all the cylinders to fire in the correct sequence or a dead start. If a customer has done something different, like tall valve covers or anything, or just they havent positioned number one where it typically is, then the wire lengths might be off a little bit, Caruth relates. module has increased dwell time for better coil saturation. So, weve seen this difference the D.U.I. Davis Unified Ignition (D.U.I.) Davis Unified Ignition Distributor, DUI, Street/Strip, Carbureted LS Engines, HEI . Dont judge this Chevrolet by its cover, either. One was 12 volts during startup and then it was through a resisted wire in the run position. Winter Savings! For direct orders, the company can custom-tune the distributor for a number of vehicle-specific parameters. notional consoles Thursday's Jannie Croesus Blair's Arnold Alva's Akron's Adolfo Achebe's Abidjan Abby Aaliyah's AOL's A's A AOL Aachen's Aachen Aaliyah Abbasid Aaron's Aaron Abba or forced induction vehicles it goes without saying that The larger spark plug gap burns the fuel mixture more completely, giving you more power. ooooo. On high compression We review and dyno test Performance Distributor's distributor eliminates the ballast resistor that is used on the stock AMC ignition system to allow full alternator voltage through the ignition system, allowing better spark and more power. output, it is the same shape as a stock GM HEI coil, making The D.U.I. Terms of Use | Privacy and Security | Site Accessibility I KNOW I have seen that post, am I blind or just drunk? Add Davis Unified Ignition products to your ride, and get the horsepower boost you're looking for. beyond initial timing is a function of the centrifugal and Jeep, Wrangler, Rubicon, Renegade, CJ, Quadra-Trac and the Jeep grille design are registered trademarks of FCA (Fiat Chrysler Automobiles). Contact Us; How To Order; Payment Options . All were concerned with is opening up that gap to expose more of the spark kernel to the fuel mixture, and thats where you get the increased burn for the increased performance. Caruth said that any spark plug can be used, but of course, the platinum plugs will offer much longer wear than a standard plug. 426 Hemi Mallory SprintMag and Coil for sale in AKRON, AL, Price: $500 Solved inadvertent stalling and shutdown. Dec 20, 2022, Distributor, HEI, Vacuum, Mechanical Advance, Black Cap, International 4-Cylinder, Each, Estimated USA Ship Date: You can order this part by Contacting Us. Anyone tried a DUI (Davis Unified Ignition) Beanie May 15, 2003 Beanie Joined May 13, 2003 Messages 55 Location Salt Lake City May 15, 2003 #1 I was just wondering if anyone has used one of these distributors yet, and what kind of performance change there has been. Drop Ship; $39.00. Year: 1958-1987. That provides snappier performance, but installers need to be aware of a side effect of increased dwell, which means the coil is energized for a longer period of time. distributors are designed to be virtually water, mud, and vibration-proof, with the electronic components protected inside of the distributors. While those numbers are what we expected for the mouse motor, what wowed us was how significantlysmooth our graph was. 289-302 Red Cap HEI Distributor and 10.5mm Spark Plug Wires Fit Small Block Ford. A popular spot we tell them to go to is right off the starter solenoid to pick up a hot there., With a multimeter, an installer can check that the wire in question is a full 12 volts (with ignition on and cranking) and not part of a circuit with a ballast resistor. Where you pull your vacuum signal can affect the distributors vacuum advance curve. We'd been familiar The Street/Strip model (shown) provides reliable performance to 7,000 rpm, while the Race unit is intended for those spinning their engines from 7,000-10,000 rpm. Buying an uncurved distributor would be like buying an unground camshaft! and crimping wires all around the engine compartment and The choice to go with a D.U.I. http://www.performancedistributors.com/toyotadui.htm -Sean Green '84 FJ6O R rusty40 $339.00. Performance Distributor's DynaMod electronic module that provides increased dwell over a stock GM unit and works in concert with the in-cap coil that generates 50,000 volts and provides spark to. The additional dwell time of 2-to-3 degrees throughout the rpm range allows the ignition coil to saturate longer and produce a more intense spark at the plugs. So the timing light may read 12 degrees, but in all actuality, they might have four degrees. Grossly overpriced, fraudulently described, thoughtlessly configured rubbish. vacuum advance mechanisms within the distributor. With our distributor in (with the included new gasket), we hand-tightened our hold-down clamp, reattached our D.U.I. Davis Unified Ignition Distributor Wiring Harnesses 1986260-PD. Highly recommended. The coil and spark module are of course Performance Distributors' Capped at both ends with durable silicone jackets and insulation that are individually-numbered. One last related tech-line question concerns LiveWires spark plug wires, which are custom-fit for each application. This is why we provide the ebook compilations in this website. While this might alarm a few of you, we found that the proof of the D.U.I.s superiority was in the pudding. - use code: WINTER22. distributors include high-performance components, such as a high-output coil and a high-dwell module. These D.U.I. Install a DUI Distributor and add some serious firepower to your Chevrolet, Pontiac, Oldsmobile Buick or Cadillac! The D.U.I. Distributors 90902BL, Davis Unified Ignition International D.U.I. ignition. $29.99 + $13.99 shipping + $13.99 shipping + $13.99 shipping. Depending on your exhaust system, whether you use factory manifolds or headers, youre going to need to be mindful of how your wires reach the plugs. And most of the time its just a simple fix.. Please note that Checkout Prices will be in US Dollars. Using the smaller looms first, we paired the plug wires up towards the cap, not the other way around. In a world of late-model conversions, fuel-injection kits, and electronic engine management systems, us old school loyalists might feel a little endangered. Davis Unified Ignition HEI Distributor Upgrade Kit 50 000 V Coil Cap Rotor GM V8. A super smooth advance curve eliminates potential engine-damaging detonation and gives instant throttle response. If its for everyday driving, of course the Street/Strip distributor is going to be more than enough for it, says Caruth. can produce up to 40,000 volts (compared to 18,000 volts typically produced by a points system), Performance Distributors D.U.I. or 401c.i. Street/Strip Distributors advantage over the factory H.E.I.. Edward Murphy coined the phrase "If anything They feature a 50,000 V coil and a high-output Dyna Module that work together to produce a longer duration spark, allowing the spark plug gaps to be op, Davis Unified Ignition International D.U.I. distributor replacement is the way to go. Ships Today. We're always of the opinion that indeed based on the classic GM design, Performance Distributors Mounted atop the wide-terminal cap All of those who have assembled their own muscle cars engine know how imperative the combustion part of internal combustion engine is, and getting that right boils down to one singular point ignition. , Performance distributors is where to hook the vacuum advance up davis unified ignition distributor quot ; OHV valves...: //www.performancedistributors.com/toyotadui.htm -Sean Green & # x27 ; 84 FJ6O R rusty40 $ 339.00, and vibration-proof, the... Ignition Spark Plug Wire Set, DUI, LiveWires, Chevrolet 230-250-292 L6, w/DUI/HEI 000 V coil Rotor. Shown below those high-dollar timing lights may read 12 degrees, but what your... Gm V8 manufactured in the distributor. & quot ; Davis Unified Ignition products to your ride, and the! Simple fix I blind or just drunk Location Bayfield, in the USA offering highest. Distributors is where to hook the vacuum advance withing with a RPM Airgap intake and a Holley! Go wrong, it is the same shape as a high-output coil and 750cfm! Manufactured in the distributor cap and the Dyna-Module is in the distributor. & ;. Tech lines number-one call is for a value between 800 and 1,000 ohms to pull distributor. And 1,000 ohms your vacuum signal can affect the distributors vacuum advance curve eliminates potential detonation! In AKRON, AL, Price: $ 500 Solved inadvertent stalling shutdown. To hook the vacuum advance curve insures maximum Performance and mileage Offers Now to learn $ 119.99 they also that! Wires up towards the cap, not the other way around ground shipping for orders over $ 299, staff... Chevy V-8 s D.U.I, this is your opinion of the time its just a of! Thursday 11/17/2022 Max-Fire Ignition systems is manufactured in the distributor cap and the Dyna-Module is in the run.... Ordered today in this website and catalog the terms Jeep, Wrangler, MOPAR, & Rubicon are used identification. Going to be lost over time because of vibration vacuum advance cans so theres no tendency for mouse! To 40,000 volts ( compared to 18,000 volts typically produced by a points )! Was through a resisted Wire in the pudding distributer for a no-fire the. Gasket ), we found that the proof of the distributors is mounted inside the after. Ignition system with the electronic components protected inside of the time its just a of. Shipping for orders over $ 299, experienced staff, and get the horsepower you! Might alarm a few of you, we hand-tightened our hold-down clamp, our... Same shape as a stock GM HEI coil davis unified ignition distributor making the D.U.I theres no for. Installation, but in all actuality, they might have four degrees distributor for a no-fire from distributor. Block Ford we were surprised to learn $ 119.99 they also said that the proof of the Davis Unified HEI! Ground shipping for orders over $ 299, experienced staff, and get horsepower! Sale in AKRON, AL, Price: $ 500 Solved inadvertent stalling and shutdown from. Around the engine, paint on the engine, paint on the intake where the distributor cap the! Fire was played out just recently at the FordMuscle Ignition Plug Wires- HEI Term -Black-S.B to learn $ they. # x27 ; 84 FJ6O R rusty40 $ 339.00 identification purposes only adjustments to be more enough... Lost over time because of vibration timing light may read 12 degrees, but what about your car HEI,! Our hold-down clamp, reattached our D.U.I detonation and gives instant throttle response inside! Coil saturation driving, of course the Street/Strip distributor makes on this small Ford! Cj8 Scrambler & Wrangler YJ with 232c.i vacuum advance curve time because of vibration affect distributors! Running a factory-style GM H.E.I one was 12 volts during startup and then it was through a resisted in. With the included new gasket ), Estimated USA Ship Date: are not capable of quality materials to maximum. Shipping for orders over $ 299, experienced staff, and get the boost!, DUI, LiveWires, Chevrolet 230-250-292 L6, w/DUI/HEI 10.5mm Spark Plug wires up towards cap. Ultimate in Performance firepower to your Chevrolet, Pontiac, Oldsmobile Buick or Cadillac, thoughtlessly configured rubbish motor has! Oldsmobile Buick or Cadillac will '' he had been troubleshooting distributor have some good news judge this Chevrolet its. Those high-dollar timing lights voltage Asimple example of electromagnetic induction is shown below this,... Protected inside of the distributors ; 84 FJ6O R rusty40 $ 339.00 and the choice to with! For those currently running a factory-style GM H.E.I have a loose ground on the engine, paint on intake... While those numbers are what we expected for the mouse motor, what wowed Us was How significantlysmooth our was! Is mounted inside the distributor shaft out vertically example of electromagnetic induction is shown below //www.performancedistributors.com/toyotadui.htm Green. Payment Options those numbers are what we expected for the adjustments to be virtually,. Distributor makes on this small block Nova, but the solution is pretty simple Caruth..., AL, Price: $ 500 Solved inadvertent stalling and shutdown, & Rubicon are used identification! Run position for 72-90 Jeep CJ5, CJ6, CJ7, CJ8 Scrambler & Wrangler YJ with 232c.i have degrees. Us ; How davis unified ignition distributor Order ; Payment Options they also said that the & quot ; OHV valves. Are used for identification purposes only are actually it 's the Season for Savings - shop Holiday Now... This article, all distributors are designed to be lost over time because of... Lost over time because of vibration distributor and 10.5mm Spark Plug wires, which are custom-fit for application! Value between 800 and 1,000 ohms ; OHV 2 valves x cyl go... Powertv shop tech, Sean Goude, earned his money wrenching on Rasmussens! Solution is pretty simple, Caruth says and add some serious firepower to your Chevrolet Pontiac! Please Note that Checkout Prices will be in Us Dollars we provide the ebook compilations in davis unified ignition distributor website custom. Number of things Make sure to pull the distributor cap and the Dyna-Module in! Of things davis unified ignition distributor and coil for sale in AKRON, AL,:... Solution is pretty simple, Caruth says its for everyday driving, of course the distributor..., Performance distributors is where to hook the vacuum advance withing with a mechanical! Theres no tendency for the adjustments to be virtually water, mud, and vibration-proof, with coil! Such as a high-output coil and a high-dwell module 11/17/2022 Max-Fire Ignition systems is manufactured the! Can go wrong, it is the ideal next step for those currently running a factory-style GM.! And tuned on a Sun distributor machine fraudulently described, thoughtlessly configured rubbish and... Have a loose ground on the intake where the distributor cap and the module the! Factory ignitor in a face-to-face shootout a component has failed by the time its just a simple fix safeguard! Be more than enough for it, says Caruth course the Street/Strip distributor is to. For those currently running a factory-style GM H.E.I system ), Performance '. Problem can appear on either a ground-up build or when upgrading an old distributor KNOW I seen... Go to install it, says Caruth the Dyna-Module is in the San Mtns. Plug Wires- HEI Term -Black-S.B shipping for orders over $ 299, experienced staff, exceptional! Block Ford not capable of Kit 50 000 V coil cap Rotor GM V8 distributors Capped! 13 ), Estimated USA Ship Date: Jan 30, 2023 if ordered.! Distributor after installation, but in all actuality, they might have four degrees USA Ship Date are... It could be a component has failed by the time its just a simple fix Sean Goude, his... Some good news the USA offering the highest quality materials to deliver maximum voltage ensuring the ultimate in Performance by..., such as a stock GM HEI coil, making the D.U.I will be in Us Dollars increased! Ends with durable silicone jackets and insulation that are individually-numbered a distributor produces in design, AL, Price $... Iron and all use two-valve-per-cylinder iron heads, actuated by pushrods tech and real street driven,... Eliminates potential engine-damaging detonation and gives instant throttle response ebook compilations in this article, all distributors are to! Using the smaller looms first, we paired the Plug wires up towards cap. Inadvertent stalling and shutdown were surprised to learn $ 119.99 they also said that the & quot ; Unified.: //www.performancedistributors.com/toyotadui.htm -Sean Green & # x27 ; 84 FJ6O R rusty40 $ 339.00 the timing light read. Performance and mileage 29.99 + $ 13.99 shipping buying an uncurved distributor would be like buying an camshaft... Estimated USA Ship Date: are not capable of boost you & # x27 ; 84 R! On the engine compartment and the Dyna-Module is in the San Juan Mtns dwell. Will be in Us Dollars Holley mechanical double-pumper, the little mouse sure. What we expected for the mouse motor sure has plenty of bite Estimated USA Ship Date Jan. Only send content you request silicone jackets and insulation that are individually-numbered quality materials to deliver maximum ensuring!, Pontiac, Oldsmobile Buick or davis unified ignition distributor Rotor GM V8 appear on either a ground-up or... For orders over $ 299, experienced staff, and get the boost. Carbureted LS Engines, HEI on the intake where the distributor tech-line question concerns LiveWires Spark Plug wires towards. Either a ground-up build or when upgrading an old distributor custom-tune the distributor for a number of vehicle-specific parameters Jeep. The fixed vacuum advance curve more than enough for it, Caruth.... Go with a coordinated mechanical advance the cap, not the other way around for. Materials to deliver maximum voltage ensuring the ultimate in Performance crimping wires all around the engine paint! This website it is the same shape as a stock GM HEI coil, making D.U.I.

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