Dui distributor set timing. Recommended gap is .


  •  Dui distributor set timing. I. I'm always fighting with my ignition. A special timing curve and a melonized gear sets this distributor apart from our standard Street/Strip DUI. Vacuum advance ported or manifold vacuum? How to set timing? How to clean/set distributor points? Converting to electronic ignition? This tech articles answers. Dec 7, 2016 · Hello my friends. Upgrading to a DUI HEI-type distributor was going to be a simple solution to our ignition woes. where it reaches all in depends on the cintrifigul advance curve built into the distributor. I have a DUI ignition and set the timing at 12 degrees BTDC to start with the vacuum plugged at about 600 RPM. . I use 87 octane gas. Performance distributor on this Toyota Pickup 22r. The solution to this problem is now available with our new VG30/VG33 DUI Distributor! The DUI (Davis Unified Ignition) has everything you need for the ignition in one simple unit. This problem can be easily prevented if the proper precautions are used. all in means all the advance the distributor is capable of giving. (Note: If the wires get out of order you may experience an impressive (but harmful) backfire or two. This should be close enough to get it started. I am seeing a timing retard with the light at higher rpms. Description Increase performance and simplify the ignition system in your boat by installing our Marine DUI Distributor! The Marine DUI (Davis Unified Ignition) is a one-piece distributor that is virtually waterproof and will withstand the severe vibrations of a marine engine. I have this master of everything neighbor, especially when it comes to AMC engines. I found my Lifetime Warranty Distributor of 7/31/96 had been a real trooper for a long time! Even though this story ain't working for the above, I thought maybe if you detect a problem, maybe using the timing light works to diagnose, not only to set the timing. Setting it at 36* at idle Jan 12, 2015 · “Each DUI Distributor is calibrated on a distributor machine with a precise advance curve that insures instant spark,” Davis explained. After warmed Jul 30, 2024 · Decided to just rip it out and put in a marine DUI (Davis Unified Industries) Distributor. Apr 4, 2012 · A DUI might not be as drop in as some others, might even be expensive compared to almost every other distributor you can think of. Ford TFI: Get a distributor from the 87 - 96 era. This could be the same issue, but I'm not sure and wanted to post it here. Position of vacuum advance canister should be noted. 055’’ and get a more complete Description Our Street/Strip Chevrolet DUI Distributor is now available for the popular GM high performance crate engines! This new DUI (Davis Unified Ignition) is designed for the ZZ4, ZZ383, ZZ454, ZZ502 and ZZ6. An example of total timing would be 12° initial plus 24° of mechanical which equals to 36° total. Dec 8, 2018 · 1968 F engine that the previous owner put a DUI distributor in. But running timing was almost always the vacuum gauge method. Here Just reuse the switched 12V ignition wire "brown in my case" from the stock coil hooked to the distributor labeled "battery", set timing and your good to go. Boat started right up after install, timing was set and she idled smoothly. My DUI distributor has an intermittent problem that started towards the end of the summer. First, the mechanical advance is calibrated on a distributor machine with an aggressive and accurate timing curve designed to meet the requirements of these crate motors. Apr 23, 2023 · So i bought a DUI distributor for my 86 s10. I have to note that the car hasn't left the garage yet (see below), but- so far- it seems like this swap will result Bringing you the most advanced and innovative line of high-performance ignition systems, Performance Distributors is taking the lead in the performance manufacturing industry. The vacuum gauge method can compensate for the wear and get closer to optimum for a specific engine. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Again, without timing control. Aug 14, 2017 · Having decided to stick with my 200 inline six, I ordered a DUI distributor from Performance Distributors a couple weeks ago. I go over cam to crank relation and how to install it at top dead center of #1cyl. After all of the wires are installed check all connections and make sure everything is cleaned up and out of the way of moving parts. Jul 10, 2013 · I have a 66 Mustang with 200ci and DUI distributor. Nov 15, 2022 · C3 Tech/Performance - Who has tried these DUI distributors? - My 1980 Vette has a minor RPM issue. The advertisements are loaded with features and benefits including more power A special weight and spring assembly is hand fitted and dialed-in using a Sun Distributor Machine for a precise timing curve that will match the specifications of your engine and vehicle. COM Late Model Stuff Ames Customer Satisfaction Forum Members Helping Members Garage Sale Pontiac Business Entities Sep 21, 2015 · With that distributor you set the base timing at idle and the advance curve is controlled by the ignition module. whats different about this method than setting base timing is while base timing is typically set with no vacuum signal to the advance L-127212 – Locked Advance: Racing DUI with no mechanical advance. BTDC and tighten up the hold down bolt. I set-up using JPASSes write down. First, we will cover the problem with “bottoming” the distributor. Timing should always be set with the engine revved up to about 3500 rpm. So I finished up with the install on my DUI distributor. As engine speeds increase the fire needs to be May 7, 2017 · Public group 󰞋 18K Members Join group Bryon Wunschel Modified Set-Up Tech Q&A May 7, 2017󰞋󱟠 󰟝 Bought a new DUI distributor timing is bouncey and seems to be misfiring. and set the timing at the same 30 degrees full advance. I want it to clear the power steering pump, alternator, thermostat housing, water pump hoses etc I need to get it close so I can start making wires before I install the parts listed. It has a DUI distributor and I wanted to check the timing. Set at 36* at idle. An example of total timing would be 12° initial, plus 24° of mechanical which equals to 36° total. I'm writing a thread for anyone like me looking for all the info in one place. Tried it at the starter solenoid, but the solenoid is only 3 lug and the small post apparently is only hot when the starter is engaged. Seems to be in the range of 3-4*. Gapped new autolite platinums to 55 and set initial timing to 12 Degrees btdc (vaccum plugged) as per DUI suggestion. We later had to adjust the idle higher because it ran Mar 16, 2011 · I'd totally disregard whatever the oem base ignition timing is. I am posting this in multiple forums. After tightening the distributor hold-down bolt, re-check the timing mark to make sure it remained at 12 degrees. Feb 6, 2022 · I've had a DUI distributor sitting on the shelf for quite some time and finally decided to install it. These electronic high-voltage coils are built inside of the distributors and produce a longer spark duration, allowing you to widen your plug gap up to . I am putting Aug 19, 2021 · I installed a DUI Distributor in my 1976 Scout II Traveler (345/727) the other day. Nov 18, 2019 · Well, I did use a little continuity light on the points to set initial, static start up timing. Dec 15, 2019 · Where as the HEI/DUI system has everything built into it, do not require the additional box and can be set up to whatever specs the user requires and dropped right in with no further adjustments other than setting the timing up with a timing light. Sep 21, 2009 · I've have a DUI on my 360 and tried that carb, at one time. Dec 4, 2008 · I have a 73Fj40 I just aquired from someone who put several years into a frame off resto. I have to note that the car hasn't left the garage yet (see below), but- so far- it seems like this swap will result Dec 14, 2010 · Set your motor up at 5 degrees of base timing on ported vacuum then apply port vaccum where vacuum advance is limited to 12 degrees to net a total of 17 degrees of idle timing. Spark plug wires should be labeled with the corresponding cylinder No. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. When converted to a carburetor set-up this engine needs a mechanical and vacuum advance distributor, an item that can be difficult to find. If converting from a point style ignition, all primary Ignition resistance should be removed. 050 – . Rotate the distributor housing to obtain your OEM setting, shut off the engine, and then tighten the distributor hold down clamp bolt Recheck the timing, plug in the vacuum hose, and reset the idle speed to factory specifications. IIRC, 8 BTDC is the spec and has worked well for me. I have also converted this truck over from a generator to an alternator, so constant voltage is not an issue anymore. Aug 24, 2010 · A Load-O-Matic distributor is old technology and provided one of the first versions of a vacuum advance distributor. It slipped right in and just hooked up to the coil . After final timing is set, tighten the bolt again. my question is when the timing marks on the crank are together no 6 is on TDC on compression. The first thing I did was to check the initial timing. I have a timing light, but how many degrees BTDC should I set the timing for? What is the process for doing this procedure? I have a DUI distributor with a Holley 390 cfm carb if that helps at all. After reading as many forums as I could find I followed the following After the engine has warmed up, set the engine RPM down to 600 or so, and check the timing. Jan 2, 2006 · I want to thank whomever wrote the FAQ instructions about timing the ignition from scratch. Mar 21, 2007 · Start your motor, and set your timing. All will lead to failed gears. The DUI is a complete ignition system in one simple unit. Are you plugging the vacuum advance while you set the timing? If not, then you aren't setting the timing where you think you are. Jan 1, 2010 · By its fourth pull, power was up to 647 hp. We install HEI distributor after doing a timing chain. Before the original distributor is removed, several settings should be noted: Base timing should be checked, and noted. Ok. No external coils or ignition boxes are necessary! Just one Feb 20, 2009 · Ok guys, I just put in the distributor, and need to know where the best spot to point the vacuum housing. 055. What is important is where it is at full advance. Dec 17, 2019 · Route the plug wires according to the firing order, set the timing, and enjoy the hassle-free joys of an electronic ignition, professionally curved to your engine's combination and driving demands. Helped with some of the flat spots in my throttle and feels much more responsive over the stock coil setup. 54 gears. Hey guys, in this video I go in depth on how to set base, mechanical, and vacuum advanced timing for an HEI distributor, on my small block, Ford 351 Windsor Jul 9, 2008 · To start from scratch, I would put # 8 pistion on tdc compression stroke. I hook up the timing light, set to 10 deg. 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. A light is not perfect on a well worn timing gear/chain, distributor etc. This May 28, 2014 · We take you through the process of how to set initial timing with Performance Distributors clear rotor and clear cap. I have the timing set at 9 degrees BTDC with no vacuum advance. distributors include high-performance components, such as a high-output coil and a high-dwell module. Recent rebuild, under 3500 miles on engine. Factory timing is 5* BTDC, on 1970's gasoline. Thankful The vacuum advance canister, located on the side of the distributor, provides additional timing only when the engine is pulling vacuum. but ya know what???? It works. It won't advance. After installing the DUI Electronic Ignition kit, my friend Tommy and I set the timing on the engine. they also have replacement parts and wire sets and can make your DUI work with EFI or not depending on what you want. AMC V8 Firing Order 1-8-4-3-6-5-7-2 The spark plug gap can be increased due to the hotter spark provided by the new distributor. I just wanted to see what everyone else was running. Problems with irregular distributor gear wear can be caused by the distributor being “bottomed” out on the oil pump or cam walk. I had this happen in the past as well where -6 was as close zero as the timing would go. While this was the hot ticket when it was new, it has since been deemed archaic and troublesome. Mechanical distributors use a system of centrifugal weights and springs that vary the time the plugs fire based on engine RPM. Oct 14, 2006 · Anyone have the instructions for installing a DUI HEI distributor? I was given a DUI dizzy, but not the instructions. General Q & A - DUI Timing adjustment help. Last week I installed a DUI distributor and took the car for a test drive. I puled the old distributor out, set it at 10° using the crank timing markers and dropped the new distributor Jul 8, 2004 · Forgot to add: before I left Colorado, I replaced the stock distributor with a brand-spaking-new HEI that I bought on eBay for only $102. This may be a good opportunity for some new spark plugs. Finally snug up the bolt for your distributor hold Oct 29, 2019 · I'm open to the idea of integrating an MSD 6A module, or Holley's HyperSpark (which may or may not b easier to set up). So the question tonight is what should I set the timing at? With the vacuum line unhooked it is Dec 28, 2022 · Once the distributor is fully seated in the engine, install the distributor cap and transfer the plug wires making sure that they are put onto the new distributor cap in the right order. May 17, 2016 · Assuming you mean your timing at idle? This isn't the way you should be setting your timing. Set Ignition Timing & Install Distributor - TIMING TRICK (Ford, Chevy, Mopar) ThunderHead289 340K subscribers Subscribe May 28, 2018 · Ignition timing is actually somewhat complicated, the part that most people are familiar with - turning the distributor body - is just a small part of it. 96 Discount Description The GM 602 and 604 crate motors have become popular spec engines for a number of May 7, 2021 · If the DUI is just a basic dizzy and doesn't have any advance provision, it just means you'll have to run with retarded timing. My new DUI distributor came with an 24 degree advance all in by 3000 rpm. That determines the base timing, sometimes called initial timing. We also Sep 30, 2011 · Hey All, Going to be installing a DUI distributor, MSD ignition box, and some 8. The Marine DUI (Davis Unified Ignition) is a one-piece distributor that is virtually waterproof and will withstand the severe vibrations of a marine engine. I recently acquired a 79 CJ7, 258, T-150, D-20, 4 inch lift, 33's and 3. Jun 29, 2019 · Page 2- DUI Distributor Pro Tips? Pontiac - StreetForum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home How to Subscribe to the Pontiac Journal Pontiac Journal PY Online Parts Lookup General Forums THE LOBBY Industry Stuff GTOG8TA. Jun 19, 2019 · Performance Distributors’ DUI line combines expert assembly and custom calibration for maximum performance at a reasonable cost. New HEI style spark Racing D. I set my Jeep a bit higher about 10 degrees, just before I encountered any engine ping. I have replaced the Carb with an AVS 2 1906, replaced the rotor, cap, coil, ignition module Rotate the distributor until the engine runs smooth and then fine set the timing using a timing light. Alot of guys mistakenly lock their distributors out and remove their vacuum advance on the street because they think they're running a race car. Position the cap on the distributor. Position of rotor should be noted. I now can't get the car to start or even know where the timing is at. We pulled out the MSD distributor, dropped in the D. I decided that running it through an Apr 14, 2012 · Dauntless 225 Cylinder Numbers, DUI Distributor, Timing Problems Discussion in ' Early CJ5 and CJ6 Tech ' started by Jamco6000, Aug 16, 2012. Aug 5, 2009 · I have a 78 CJ7 with an AMC 304. Includes tips on testing, vacuum advance, and DUI distributor benefits. Aug 19, 2007 · This is a freshly rebuilt engine and I have never adjusted timing before so this is new to me. I don't know if the timing mark on the crank is correct - with a timing light, the engine used to Sep 22, 2008 · Re: ignition timing on a 454 we have the same year and motor and the tab on the ftont of the timing cover is the same as any other chev of that vintage. The increase in throttle response will set you back in your seat fast! The DUI is a real work of craftsmanship and although it is uniquely designed, replacement parts are easy to find. Jun 2, 2014 · So did you pull the distributor while you were working on it. Setting the ignition timing advance on an engine with a distributor style ignition system can be confusing if you don't know what you're looking at. An overview on how I installed the D. . How to install a new distributor, or an old one, in one of BluePrint Engines' Longblock series. May 18, 2019 · not exactly full throttle, more like 2000-2500 rpm. Recommended gap is . The recommended ignition timing is 8 degrees BTC with distributor vacuum advance disconnected and the engine at idle. The advance weight and spring assembly is tuned to provide optimal May 15, 2007 · That main reason that I wanted to install the DUI set-up was to clean up the engine compartment by eliminating the external coil, ignition module, and extra wiring. I like the idea of using a distributor that's already set up for ECU timing control. After reading as many forums as I could find I followed the following Our 426 HEMI DUI Distributor is a high performance, one piece ignition system capable of pumping out 50,000 volts of pure spark energy! This high output ignition system utilizes a custom timing curve and modern electronics to fire the fuel in a way no stock ignition ever could. I was wondering if I should elongate the hole in an oval shape to be able to turn the distributor slightly more counterclockwise. If you did then lining up the timing mark and sticking the distributor in w/o lining up the rotor tip with the cap terminal that you wish to be the #1 cylinder means that the timing could be anywhere. Also features the Instant Timing Knob for fine tuning adjustments. Once you have your timing set, shut down the motor, and disconnect your timing light. HEI DUI: I have the DUI setup already in running on the engine. By now I’m sure you have all seen the ads for replacement ignition distributors, such as the DUI distributor that we’re installing from Performance Distributors. Attach a timing light so you can set the May 6, 2016 · Our search for fuel mileage efficiency and performance with our project truck led us to Steve Davis at Performance Distributors for a lesson on combustion. The engine runs, but needs some tweaking with the timing. First, we calibrate the mechanical advance on a distributor machine with an aggressive and accurate timing curve designed to meet the requirements of these crate motors. Then connected dizzy to manifold vaccum where it idled at 18 degrees btdc and it ran great Oct 27, 2014 · DUI distributor wiring question. The new Instant Timing Knob allows for timing adjustments to be made to the engine quickly and easily without the use of a timing light. and MSD parts interchangeable? - I have no idea what ideal timing would be but my DUI is giving me 18* at idle and 36* max on my 502. Once running you can use the timing light hooked up to # 8 spark plug wire to dial in your 28 degrees btdc. I have a 258 with a Weber carb at about 5000 ft elevation. It does run fine. Jul 23, 2006 · DUI distributor install - TIMING ISSUES Discussion in ' Early CJ5 and CJ6 Tech ' started by Dabbie7, Aug 24, 2011. The install went smooth thanks to all of the info I found here on Mud. and Performance Distributors stands behind it if it fails. Jan 20, 2012 · DUI distributor headaches The DUI is a great idea for the S8 Buick but that's as far as it goes installation presents problems first of all the people that make the distributor don't figure n the clamp problem installer can't secure it to the block I had to call to get a lamp that didn't fit I had to modify to fit that is pee poor planning on Performance 's part then the cap is jammed against C3 Tech/Performance - Possible DUI distributor issues - Starting a new thread, since I figured out my distributor issue from my last thread. Oct 7, 2021 · Four Wheeler's Verne Simons shows us how to install a Davis Unified Ignition HEI Distributor in an AMC 304 V-8. com offers matched gears, timing covers checked to be correct and some other oiling Jun 28, 2009 · I am looking for some timing suggestions. I was running limited mechanical advance that allowed an intitial of timing of 20*. Still would like to clean up some of the wiring but it works great! The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. vee notches with even numbers stamped every 2 degrees what drive do you have? it should be a alpha one painted white with sea ray decals insted of mercuriser. Our complete line of performance products includes Firepower Ignition Kits, SOS Coils, Distributors, Screamin’ Demon Coils, Rev Limiters, Dyna-Batts, Mini-VIPs, Alternators, Modules, LiveWires, and more. My Boat is Aug 10, 2013 · Having decided to stick with my 200 inline six, I ordered a DUI distributor from Performance Distributors a couple weeks ago. It idles up and down about 30 to 50 rpms (800rpms), don't know if this is because of the xr276hr cam or it is the distributor. Dec 11, 2011 · I am posting this in multiple forums. 5 mm Wires tomorrow Any tips or tricks i should know about? Read something about not "bottoming" the distributor? very bad apparently, not sure i understood it very clearly, maybe will with the instructions Nov 12, 2022 · C3 Tech/Performance - Who has tried these DUI distributors? - My 1980 Vette has a minor RPM issue. I've done several different EI conversions and always Jul 23, 2001 · I'm trying to set the timing up on my 360, has a DUI distributor, and i was wondering whats the best way of doing it? I just rebuilt the motor and finished my cam break in. Locked solid for total timing from idle to your max rpm. Been readying here that DUI wants 12degrees btdc? Anyone have instructions to verify?? And the BB is already at 7 degrees btdc---so I dial the timing gun to 5 (7+5+12)????? time on the BB again??? Thanks in Hey, I’ve just swapped my ProTec Ignition with the D. Bottoming of the distributor usually occurs when engine work such as the block, heads and intake have been milled. Use the distributor you already have and still be able to use the timing control aspect of the fuel injection. When it is time to set the ignition timing, loosen the bolt just enough to allow you to turn the distributor. Any body else had problems with DUI 󰍸 󰤦 12 󰤧 Bryon Wunschel 󱐭 Author It was another broken adjustable advance timing light everyone I've had only last like 2 DUI Racing Distributor for 602 and 604 crate engines DUI Racing Distributor for Crates Salesprice with discount Sales price $409. Should I set my initial May 15, 2025 · Learn how HEI distributors work, how to wire and install them, and why they’re a top upgrade over points ignition systems. Otherwise your fighting the module when attempting to time the engine at speed. It arrived on Thursday, and I installed it today. These components are to replace your vehicle’s points distributor with electronics that are far more accurate and dependable. Installed a new DUI distributor in my BBC, replacing a factory Thunderbolt V ignition, and trying to find a good source for power to the distributor. Without some sort of advance your leaving a lot of power and efficiency on the table. May 6, 2016 · The Performance Distributors' DUI HEI Street/Strip distributor is all custom hand-built and calibrated for each application. Set the distributer in with the rotor pointed towards # 8 spark plug tower. Re-connect the vacuum advance hose and idle engine speed where desired. a walkthrough of how to install a distributor and set timing on any distributor engine. Jul 7, 2012 · At Vince's urging, I pulled the DUI HEI and locked out the timing. I have replaced the Carb with an AVS 2 1906, replaced the rotor, cap, coil, ignition module Oct 25, 2005 · I purchased a set of Livewires at the time I purchased my DUI and recently upon pulling my wires to do a compression test, 3 of the 6 wires came out of their ends. With this custom timing curve, base timing can be increased from the factory setting of 0 degrees to 8 degrees. In your case that should be all in at 34-36 degrees. The mechanical advance along with the initial advance (base timing set at idle) is what gives you total timing. Long story short, I took the distributor out and totally lost the timing. The 602/604 DUI is designed specifically for these crate engines with two features that set it apart from our regular Racing DUI. simple as pie! Question is, where should I set the timing? There were 4 different distributors Sep 22, 2021 · I ordered in another distributor and did the Lifetime Warranty swap a few days later. If that is the case then you will have to start from scratch. Nov 12, 2013 · The distributor is a DUI product, it has a circular hole for the hold down bolt. Sep 24, 2013 · There have been lots of issues with aftermarket parts for AMCs made wrong - timing sets that don't have proper oiling slots, gears with incorrect or incompatible teeth, timing covers with distributor hole out-of-position. 10 or 20 minutes in, the The 602/604 DUI is designed specifically for these crate engines with two features that set it apart from regular Racing DUIs. It was Mar 25, 2021 · Tech Call Two: Problems With Ignition Timing The D. Set the base timing to whatever specification allows the engine to perform as it should. Now he bought a mallory breakerless distributor for it and I'm not sure where to start. I got it to fire but That being said, you can use the magnetic pickup in an HEI distributor as a crank trigger for the Holley Sniper. Bulltear. The advance curve and potential in that dui distributor is somewhat more "pronounced" than any oem distributor. Requiring only a power wire to hook up the system, the HEI distributor housing is a perfect match for the stock distributor. Install the hold-down clamp with the bolt and temporarily tighten it so the distributor doesn’t accidentally move before starting the engine. Distributor with the Instant Timing Knob. D-127212 – Deluxe Version: Racing DUI with adjustable slip collar for distributor adjustment in engines with shaved heads and decked blocks. I don't have the instructions for it, and Performance Distributors (the manufacturer) isn't picking up their phones (corona). Jul 18, 2017 · After studying the wiring diagrams and all the info I had available, and reading through threads, and asking the pro's around here, I went ahead and installed the DUI HEI dizzy. Apr 16, 2020 · In this detailed walkthrough, we show you how to install & adjust your engine's distributor to set initial timing the correct way. It is probably safe to set it a few degrees farther advanced, especially if your run other than regular fuel in your jeep. U. 2tn rlqgo 7haboh aiy4y epny 85gw ftyx js lfpk lizr
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