Davis Unified Ignition
DUI Inferno Coil Black Point And Electronic Ignitions. “The DUI is a one-piece, one-wire. Garasi 266 on Instagram: Jeep Cherokee COUNTRY Tahun …. ) is the ideal next step for those currently running a factory-style GM H. They also said that the “Davis Unified Ignition. Dyna-Batt Batteries And Accessories; View All Davis Unified Ignition D. A little while back, we took you on a quick tour of Performance Distributors, originators of the high-performance version of the HEI ignition system; aka Davis Unified Ignition (DUI). (Davis Unified Ignition) for AMC applications. Kind of scam because the wires inside the protective sheath are between 7mm-8mm. Rated at up to 7,000 rpm, these simple all-in-one ignition systems have the coil. Same box, same instruction sheet, same part. 5575B - Davis Unified Ignition D. The Ford ignition has the trigger box mounted someplace where it is cooler, the DUI has it inside the dizzy, just like the TFI dizzys that ford is in trouble for currently. Their website boasted that the Davis Unified Ignition distributor “is a compact, one-piece ignition system” for virtually all Scout V8 engines. Position the rotor to the point where it was, when it cleared the engine while removing the old distributor. requires a single 12-volt “hot wire,” and is. Davis Unified Ignition LiveWires are high-quality, spiral-core wires designed to deliver all of the spark energy from the coil to the plugs with a low-resistance value per foot. is a one-piece ignition system with the coil in the distributor cap and the module inside the distributor. Davis Unified Ignition HEI installation for noobs. The Davis Unified Ignition (D. Davis Unified Ignition Crossfire Cap and Rotor Kits CF12000BK. 5575B - Davis Unified Ignition D. Davis Unified Ignition or DUI is a leader in supplying drop-in HEI systems for many engines, including the AMC 304 in our 1974 CJ-5. Davis Unified Ignition Distributors. Davis Unified Ignition M35820RRBL Davis Unified …. Specialties: Performance Distributors is leading the way in performance and racing ignition system innovation. With the higher available voltage, the spark-plug gaps can be increased from the traditional 0. Take the ferry from Luang Prabang to Huay Xai. They developed the Davis Unified Ignition or D. Performance Distributors now offers the D. In adapting GMs HEI to the family of Chrysler engines, Performance Distributors took the opportunity to further refine the design (now called David Unified Ignition or DUI for short). Davis Unified Ignition Spark Plug Wire Set, DUI, LiveWires, Oldsmobile 350-455ci, w/DUI/HEI. These virtually waterproof and vibration. The electronic ignition module has the ability to. With no external coils or spark boxes, the D. 00, and the coil will set you back another 50. Davis Unified Ignition S127212 RACING DIST SBC HEI. The HEI system produces a more powerful spark, which allows for a wider spark plug gap. Weve used Performance Distributors Davis Unified Ignition (DUI) conversion HEI distributors in several of our six- and eight-cylinder AMC-powered projects and have always had stellar results. Davis Unified Ignitions LiveWires are spark plug wires that deliver the spark that you need for the energy that you want. Find Davis Unified Ignition LiveWires and get Free Shipping on Orders Over $109 at Summit Racing! You need a good spark to make good energy and power. Distributor 80820BK at the best online prices at eBay! Free shipping for many products!. Davis Unified Ignition GM Computer-Controlled Distributors 12620BK. Distributor M12720BK at the best online prices at eBay! Free shipping for many products!. Davis Unified Ignition S127212 RACING DIST SBC HEI. GM HEI distributors are DUI distributors. Ban Houayxay, Laos: things to do, see, information. And, product development is a continuous process at Performance Distributors. The Davis Unified Ignition (D. Then ran a 10 gauge wire from the battery + to the relays common contact. Save up to 55% on huge clearance deals on hundreds of. The Davis Unified Ignition (or DUI) from Performance Distributors in Memphis, Tennessee is an excellent solution. The Davis Unified Ignition (D. The DUI distributors are almost 400 bucks. The optimized curve provides instant throttle response and maximum performance all through the. Find many great new & used options and get the best deals for Davis Unified Ignition Marine Performance D. Davis Unified Ignition Spark Plug Wire Set, DUI, LiveWires, Oldsmobile 350-455ci, w/DUI/HEI. 00 Lowest Price Guarantee $ + $ $ Tri-Power Ignition System. Distributors 80820BK Distributor, HEI, Vacuum, Mechanical Advance, Black Cap, Toyota 6-Cylinder, Each Part Number: DUI-80820BK. At the core of all of Performance Distributors’ vintage applications is the Davis Unified Ignition – or D. The HEI delivers a more powerful ignition spark, and this allows the use of wider spark plug gaps to help ignite fuel quicker, and deliver a more complete combustion. MSD Ignition 8732 - 2-Step. This item: Davis Unified Ignition S127212 RACING DIST SBC HEI. Davis Unified Ignition S127212 RACING DIST SBC HEI. LiveWires Spark Plug Wires>Davis Unified Ignition D. 206 likes, 0 comments - Garasi 266 (@garasi266) on Instagram: Jeep Cherokee COUNTRY Tahun 1998 Velg Centreline champ 500 15’ & Velg Jeep BFGoodrich tyres . This month, I’m going to walk you through the installation of their HEI-based DUI distributor, LiveWires, and Billet Aluminum Wire Looms on. Davis Unified Ignition (D. Davis Unified Ignition S127212 RACING DIST SBC HEI. Our Davis Unified Ignition products include distributors to properly deliver high voltage from the coil to the correct cylinder, ignition coils to fire your spark plugs, batteries to power your ride, alternators to charge your battery, and much more! Davis Unified Ignition is a Performance Distributors brand and was the first to launch a. What is ASTRIs Cellular Vehicle-to-Everything (C-V2X) Technology? Cellular Vehicle-to-Everything (C-V2X) technology refers to the low-latency communication system between vehicles and vehicles, vehicles and pedestrians, vehicles and road infrastructure, and vehicles and networks. Ban Houayxay is one of the top destinations for. D and C Extremes Davis Unified Ignition Installed. With the higher available voltage, the spark-plug gaps can be increased from the traditional 0. Electronic Ignition Systems. Davis Unified Ignition 5. Davis Unified Ignition is a Performance Distributors brand and was the first to launch a performance HEI distributor. Give one of these revolutionary products a try and feel the difference! Brand: Davis Unified Ignition. --- Explore your neighbourhood with a new perspective. Ignition Coil Pack, SOS, Epoxy Filled, Black, Jeep, Each. Davis Unified Ignition Spark Plug Wire Set, DUI, LiveWires, Oldsmobile 350-455ci, w/DUI/HEI. Huay Xai has about 12,500 residents. The Ford ignition has the trigger box mounted someplace where it is cooler, the DUI has it inside the dizzy, just like the TFI dizzys that ford is in trouble for currently. The HEI system produces a more powerful spark, which allows for a wider spark plug gap. ) is the ideal next step for those currently running a factory-style GM H. 7 Fire Service Installation Contractor Registered Address Registration Number General (M & E) Services Limited Room 208, 2/F, Hing Wah Centre, 82-84. Davis Unified Ignition LiveWires. The wire going to the dui should have also been replaced with a larger gage wire when the dui was installed. But over the years, installing a distributor into. Volt Battery Top Post Terminals. Find many great new & used options and get the best deals for 1919 Gray & Davis Inc. Find many great new & used options and get the best deals for Davis Unified Ignition Ford Street/Strip D. “The DUI is a one-piece, one-wire ignition system. spark plug gap with HEI distributor? Why?. Voltstorm Performance Hei Ignition Distributor Compatible with Chevy GM SBC BBC 9000RPM V8 65k Coil 283 305 307 327 350 400 Small Blocks and 396 427 454 Big Blocks. Estimated Ship Date: Jun 12, 2023 (if ordered today) Free. “The Davis Unified Ignition is Performance Distributors’ version of the GM High Energy Ignition (HEI) distributor,” says Steve Davis, President of Performance Distributors. They also said that the Davis Unified Ignition. They can custom tailor the spark advance curve for your application as well as supply a complete distributor that has a 50,000 volt coil, a module that has been engineered to increase the dwell for maximum coil saturation, and some are even available with an adjustable slip collar to. 243 folks, this location timezone is Asia/Vientiane (Asia/Vientiane_cet). Ford Muscle Cars Tech Forum>FORD DUI DISTRIBUTOR. If you get the Davis Unified Ignition for AMC which is basically a souped up HEI, they recommend. speaks for itself. Sam Memmolo: The Hows And Whys Of The DUI Distributor. Dodge Tri-Power Ignition Systems. but the Performance Distributors DUI (Davis Unified Ignition)! Installing our DUI into the F or 2F engine means you will be “Driving Under the Influence” of “MORE POWER!”. Davis Unified Ignition or DUI is a leader in supplying drop-in HEI systems for many engines, including the AMC 304 in our 1974 CJ-5. 0 Hot Forged, Magnetic, Computer-controlled Advance, Male/HEI, Steel Gear, Red Cap, Machined Aluminum Housing, Ford, 5. Davis Passfield (born 20 August 1990), better known by his in-ring name Mark Davis, is an Australian professional wrestler currently appearing for New Japan Pro-Wrestling, where he is currently half of the IWGP Tag Team Champions, in his first reign and Strong Openweight Tag Team Champion in his second reign and Revolution Pro Wrestling, where he is a. Only 7 left in stock - order soon. Vintage Davis Unified Ignition HEI Distributor for sb Ford. Performance HEI Distributor for F and 2F Engines FJ40, FJ45, FJ55 1958-1987. Davis Unified Ignition D. DUI Tri-Power Ignition System Dodge/Chrysler Slant-6 170-198-225ci - Blue Cap. Take the bus from Vientiane to Vang Vieng station. The Davis Unified Ignition (or DUI) from Performance Distributors in Memphis, Tennessee is an excellent solution. Distributors for the 331-354-392 HEMI engines have been a big hit. Their website boasted that the Davis Unified Ignition distributor is a compact, one-piece ignition system for virtually all Scout V8 engines. The wire going to the dui should have also been replaced with a larger gage wire when the dui was installed. The Davis Unified Ignition takes HEI a step further and provides performance to your distributor that you can count on. Slide the distributor down into the engine. The goal of DUI is to provide your engine with more power,. View All Davis Unified Ignition D. The Davis Unified Ignition (D. Better throttle response, smooth advance curve and maximum conductivity are just a few advantages you can expect with a Davis Unified Ignition (D. They also said that the “Davis Unified Ignition. Ignition Coil Pack, SOS, Epoxy Filled, Black, Jeep, Each. com: Davis Unified Ignition: Automotive. Connect a 12ga wire to Terminal 30 on relay then to a 15 amp fuse, then to battery + post. -Davis Unified Ignition is the flagship product, and is run on vehicles worldwide. And, product development is a continuous process at Performance Distributors. Rated 5 out of 5 by JOEe from hot rod battery used 5 of these batteries in different hot rods always worked. The Davis Unified Ignition (D. Ignition Systems With Performance Distributors>Upgrading Vintage Ignition Systems With Performance Distributors. I installed a 12 vdc relay that gets powered by the ignition wire that used to go to the distributor. Performance HEI Distributor for F and 2F Engines FJ40, FJ45. requires a single 12-volt “hot wire,” and is designed as a direct replacement for your old four-pin ignition. Performance Distributors discusses the top. Davis Unified Ignition 5. I decided to give these still wires a try. 00 in a superior ignition system. Davis Unified Ignition Ford Street/Strip D. Davis Unified Ignition Distributors, Modules & Wire Sets. Talking Ten Common Jeep CJ Problems & Fixes. Davis Unified Ignition (DUI) Distributors & More at Summit Racing. Dodge Big Block DUI Distributor – Performance …. With no external coils or spark boxes, the D. Davis Unified Ignition Parts & Accessories. Davis Unified Ignition: Automotive>Amazon. The DUI (Davis Unified Ignition) has everything you need for the ignition in one simple unit. Greater spark plug gap with HEI distributor? Why?. Chiang Khong is relatively easy to get. Inside a D. Davis Unified Ignition Crossfire cap and rotor kits are an effective solution for the often-tangled mess created where your ignition wires connect to the distributor. With no external coils or spark boxes, the D. Installing the DUI Distributor. DUI Distributor Installation>Classic Inlines. Performance Distributors LiveWires® are a high quality, low resistance set of spark plug wires designed to deliver all of the spark energy from the coil to the plugs. Be sure the rotor turns so that it points to the reference mark when the distributor is fully seated. Get the Best Performance with DUI Tri-Power Ignition System Dodge/Chrysler Slant-6 170-198-225ci - Blue Cap 70620BL parts at JEGS. Davis Unified Ignition is a Performance Distributors brand and was the first to launch a performance HEI distributor. Yes, Im sure. 00 Lowest Price Guarantee MSD Ignition 8732 - 2-Step Rev Control For Digital 6AL only (121-6425) (9). At the core of all of Performance Distributors’ vintage applications is the Davis Unified Ignition – or D. This new DUI (Davis Unified Ignition) is designed for the ZZ4 350CID 355HP. They also said that the “Davis Unified Ignition. In the world of aftermarket distributors, Davis Unified Ignition (DUI) has been delivering top-of-the-line HEI units for decades. Davis Unified Ignition Marine Performance D. No external coils, modules or spark boxes are needed! Just one 12 volt hot wire connected to the DUI will. These systems from DUI incorporate GMs large cap distributor. These one-piece waterproof models will increase your boats performance with a single 12-volt hot wire hook-up. PDF Fire Service Installation Contractors CLASS 1. Find Davis Unified Ignition Marine Performance D. So have the super tough Hot Forged Distributors for late model Fords. -This is the same HEI distributor Summother retailers sell for $139. The goal of DUI is to provide your engine with more power, torque, and efficiency. Dyna-Batt Batteries And Accessories. Davis Unified Ignition LiveWires are high-quality, spiral-core wires designed to deliver all of the spark energy from the coil to the plugs with a low-resistance value per foot. 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. Voltstorm Performance Hei Ignition Distributor Compatible with Chevy GM SBC BBC 9000RPM V8 65k Coil 283 305 307 327 350 400 Small Blocks and 396 427 454 Big Blocks. View All Davis Unified Ignition D. Ground terminal 85 to body or take it to the negative battery terminal (I opted for the battery, as it was close and is the most efficient ground). Davis Unified Ignition Toyota Street/Strip D. Earn points for every dollar you spend with OPGI’s Frequent Buyer Rewards Program. Amp line, with 130-amp and 190-amp replacement units for V-belt, single-wire conversions and 2G serpentine-belt applications. Installing the DUI Distributor. Just one 12 volt hot wire hooked up to the DUI sends 50,000 volts of pure spark energy to the plugs for a cleaner, crisper, more powerful running engine!. Spark Plug Wire Set, DUI, LiveWires, Pontiac 350-400-455ci, w/DUI/HEI. The relays normally open contact then goes to the distributor. Better throttle response, smooth advance curve and maximum conductivity are just a few advantages you can expect with a Davis Unified Ignition (D. Well I went with the Davis Unified Ignition (DUI) and have it on my short list for must-do Jeep upgrades. distributors are performance replacements for your daily driver, street rod, or off-road vehicle. Both amperage ratings provide a steady 65 amps at idle while charging at the higher rate at optimum engine RPM. MSD is a great unit but I liked the simplicity of the DUI unit. Advancements in cylinder heads, camshaft profiles, and exhaust and intake systems have provided a path to move a higher volume of air and fuel through the engine. Davis Unified Ignition Parts & Accessories. Find many great new & used options and get the best deals for Vintage Davis Unified Ignition HEI Distributor for sb Ford at the best online prices at eBay! Free shipping for many products!. Distributor 32820RD at the best online prices at eBay! Free shipping for many products!. Joined Apr 27, 2008. JEEP Davis Unified Ignition Parts and Accessories. an HEI Distributor for an AMC V. Free Ground Shipping on orders over $299 in the continuous United States. Davis Unified Ignition SOS Ignition Coil Packs 45250. Actually HEI is a product based on the Davis Unified Ignition system. DUI Just Made The HEI Even Better. The Davis Unified Ignition (or DUI) from Performance Distributors in Memphis, Tennessee is an excellent solution. These organized units allow your spark plug wires to be routed in numerical sequence—with wires for the left bank of the engine all exiting on the left side of the distributor. Performance Distributors Davis Unified Ignition offers Ford 3G single-wire alternators under its Mr. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee; Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee; Help Center; 1-800-345-4545 ; Gift Cards; Track Order Track Order;. The Davis Unified Ignition (D. By Jack Brinks. Ahoy! If youre looking for a simple, powerful solution for high performance boating, then these Davis Unified Ignition marine D. Davis Unified Ignition S127212 RACING DIST SBC HEI>Davis Unified Ignition S127212 RACING DIST SBC HEI. The D. We would like to show you a description here but the site wont allow us. View All Davis Unified Ignition D. Their website boasted that the Davis Unified Ignition distributor “is a compact, one-piece ignition system” for virtually all Scout V8 engines. Find many great new & used options and get the best deals for Davis Unified Ignition Fits Toyota Street/Strip D. -Davis Unified Ignition is the flagship product, and is ran on vehicles worldwide. Just one 12 volt hot wire hooked up to the DUI sends 50,000 volts of pure spark energy to the plugs for a cleaner, crisper, more powerful running engine! Part of the DUIs performance comes from the custom. Performance Distributors DUI Distributor Options. 055 inch to take full advantage of the stronger spark. ) distributors include high-output components, such as a high-output coil and a high-dwell module, for snappier performance. Get the Best Performance with DUI Tri-Power Ignition System Dodge/Chrysler Slant-6 170-198-225ci - Blue Cap 70620BL parts at JEGS. Estimated Ship Date: Jun 12, 2023 (if ordered today) Free Shipping. Weve used Performance Distributors Davis Unified Ignition (DUI) conversion HEI distributors in several of our six- and eight-cylinder AMC-powered projects and have always had stellar results. A reman duraspark distributor will cost 50. Distributors for the 331-354-392 HEMI engines have been a big hit. Toyota Landcruiser F and 2F owners, get charged with a D. Ships from and sold by IPC-STORE. Chiang Khong To Huay Xai: Cross The Thai Laos Border 2023. Davis Unified Ignition LiveWires install review ford 351W >Davis Unified Ignition LiveWires install review ford 351W. They are built with high-temperature sleeves that protect from extreme underhood temperatures up to +1400-degrees F and have non-flammable heat-treated glass braids. Better throttle response, smooth advance curve and maximum conductivity are just a few advantages you can expect with a Davis Unified Ignition (D. This delivers better ignition of the fuel/air mixture. Davis Unified Ignition Fits Toyota Street/Strip D. Davis Unified Ignition SOS Ignition Coil Packs 45250. The Davis Unified Ignition (or DUI) from Performance Distributors in Memphis, Tennessee is an excellent solution. Amp line, with 130-amp and 190-amp replacement units for V-belt, single-wire conversions and 2G. requires a single 12-volt “hot wire,” and is designed as a direct replacement for your old four-pin ignition. Davis Unified Ignition S127212 RACING DIST SBC HEI. amc 304 ignition coil upgrade. 0 Hot Forged Distributors 18457RD. The DUI (Davis Unified Ignition) has everything you need for the ignition in one simple unit. Mapcarta, the open map. Ignition Controls; Coils; Spark Plugs; Ignition Kits; Accessories; Crank Trigger; GPS & Navigation Systems; Horns; Ignition Tools; Starters; Timing Lights; Delay Boxes;. requires a single 12-volt hot wire, and is designed as a direct replacement for your old four-pin ignition. -Davis Unified Ignition is the flagship product, and is ran on vehicles worldwide. Distributor, EST, Electronic Advance, Black Cap, Chevy, 4. Take the train from Van Vieng station to Luang Prabang station. Davis Unified Ignition LiveWires are high-quality, spiral-core wires designed to deliver all of the spark energy from the coil to the plugs with a low-resistance value per foot. If lots of wires are a concern for you, run your Duraspark dizzy into an LX101 from STD motors, only 4 wires. Davis Unified Ignition LiveWires are high-quality, spiral-core wires designed to deliver all of the spark energy from the coil to the plugs with a low-resistance value per foot. Find Davis Unified Ignition Ford Street/Strip D. Unlike a stock HEI unit, which. Davis Unified Ignition Distributors, Modules & Wire Sets - JEGS High Performance. What Does A Performance Distributors HEI Offer That OE HEI. Advancements in cylinder heads, camshaft profiles, and exhaust and intake systems have provided a path to move a higher volume of air. I run one in my own car, and I sell high performance HEI distributors to my customers all the time. HEI simply stands for High Energy Ignition which GM licensed from Davis in the early 70s for use in their (crap) automobiles. “The Davis Unified Ignition is Performance Distributors’ version of the GM High Energy Ignition (HEI) distributor,” says Steve Davis, President of Performance Distributors. Davis Unified Ignition is a Performance Distributors brand and was the first to launch a performance HEI distributor. A special timing curve and a melonized gear sets this distributor apart from our standard DUI. Davis Unified Ignition Parts & Accessories. Summit Racing Equipment carries ignition system combo kits for distributor-type and distributorless ignition systems for GM, Ford, Chrysler, Jeep®, Volkswagen, and others, plus motorcycle and powersports applications. Xislet HEI Distributor Pigtail Wire Harness Tachometer Pigtails 12v Power & Tach Connector Plug Compatible with RV Chevy GM HEI 170072. Save up to 55% on huge clearance deals on hundreds of items. Last, connect Relay terminal 87 to the DUI with the supplied connector. Performance Distributors is leading the way in performance and racing ignition system innovation. Performance Distributors Davis Unified Ignition offers Ford 3G single-wire alternators under its Mr. The DUI (Davis Unified Ignition) has everything you need for the ignition in one simple unit. They developed the Davis Unified Ignition or D. Performance Distributors is one of the companies that lead the way with its better-than-OE line of distributors. Made with space-age, non-flammable, heat-treated glass braid, LiveWires provide heat protection up to 1,400 degrees F and. Davis Unified Ignition Distributors, Modules & Wire Sets - JEGS High Performance. DUI Dyna-Batt 12 Volt Battery Top Post Terminals. distributors from Performance Distributors are the answer. View All Davis Unified Ignition. Performance Distributors Davis Unified Ignition offers Ford 3G single-wire alternators under its Mr. Davis unified ignition problems. What Is DUI Ignition & Why You Need It. Summit features top-quality kits from MSD Ignition, Davis Unified Ignition, PerTronix, Speedmaster, FAST, and many more. The HEI setup was so popular, it became a must-do swap into non-GM vehicles as well. Recurving and upgrading HEI distributors is exactly how Performance Distributors got its start back in the ’70s, when company founder and weekend drag racer Kelly Davis began applying the knowledge he’d gained dialing in advance curves for racing to the newer electronic distributors, improving efficiency and performance. Davis Unified IgnitionDyna-Batt Batteries And Accessories is rated 4. Davis Unified Ignition SOS Ignition Coil Packs 45250. ) is the ideal next step for those currently running a factory-style GM H. Davis Unified Ignition LiveWires install review ford 351W. 00, and the MSD box will cost 190. Actually HEI is a product based on the Davis Unified Ignition system. Coil produces 50,000 volts and allows spark plug gaps to be opened up to. com>Davis Unified Ignition Parts & Accessories @ OPGI. Huay Xai is the capital of the Laos province of Bokeo. Davis Unified Ignition Toyota Street/Strip D. Their website boasted that the Davis Unified Ignition distributor “is a compact, one-piece ignition system” for virtually all Scout V8 engines. Recurving and upgrading HEI distributors is exactly how Performance Distributors got its start back in the ’70s, when company founder and weekend drag racer Kelly Davis began applying the knowledge he’d gained dialing in advance curves for racing to the newer electronic distributors, improving efficiency and performance. Distributors and get Free Shipping on Orders Over $99 at Summit Racing! Ahoy! If youre looking for a simple, powerful solution for high performance boating, then these Davis Unified Ignition marine D. Boston Mass Automobile Ignition System Vintage Print Ad at the best online prices at eBay! Free shipping for many products!. is virtually water, mud, and vibration proof because the electronic components are protected inside the distributor. If you get the Davis Unified Ignition for AMC which is basically a souped up HEI, they recommend. Distributors and get Free Shipping on Orders Over $109 at Summit Racing! Davis United Ignition Ford Street/Strip D. Davis Unified Ignition S127212 RACING DIST SBC HEI. The advance weights and springs are tuned specifically for this crate engine. Davis Unified Ignition S127212 RACING DIST SBC HEI. They look very nice and pretty cr. No box, no ballast, no more points, no external coil. Ten Common Jeep CJ Problems & Fixes. A little while back, we took you on a quick tour of Performance Distributors, originators of the high-performance version of the HEI ignition system; aka Davis Unified Ignition (DUI). The DUI distributors are almost 400 bucks. A stock duraspark distributor and module will cost 50 bucks at the junkyard. In Ban Houayxay are settled 179. The all in one DUI (Davis Unified Ignition) has everything you need for the ignition system in one simple unit. No external coils or spark boxes are needed. -Davis Unified Ignition is the flagship product, and is ran on vehicles worldwide. Davis Unified Ignition Toyota Street/Strip D. The majority of travelers will get there by going from Chiang Mai. If you have a coil that can fire a strong spark through the gap (they can), then it will contribute to a better, more consistent ignition of whatever is in the chamber. Or fastest delivery Jan 13 - 19. All you have to do is run one 12 volt hot wire to the Davis. And, product development is a continuous process at Performance. In adapting GMs HEI to the family of Chrysler engines, Performance Distributors took the opportunity to further refine the design (now called David Unified Ignition or DUI for short). Whats the difference between a Dui and Hei distributer?.