Diesel timing calculator What I am wondering is what I should be looking for with this, is there an optimum amount of pulse before or after, or is it totally different truck to truck? Feb 23, 2008 · This is the most up to date version of the calculator I have. Where is the timing calculator for an LML? The calculator here and posted other places does not include a tab for LML. I didn't make this calc but i've been using it and transposing the tq to fuel table in excel as it's not the same as HP tuners. The timing affects the engine’s performance, fuel efficiency, emissions, and noise. The proposed method takes into account the effects of engine speed, load, and fuel type on ignition timing. Trucker Calculator is a cost-per-mile and net profit calculator for trucking. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Oct 12, 2007 · Here's something I made. Trying to tune my buddy's LLY, I added some fuel but don't wanna give it to much before i figure out timing a little better. hpt Here is my stock tune and the timing calc i've been using. surely enough time to have this pretty valuable tool incorporated by now. so far i have just made a spread sheet and calculated the amount of degrees that will be sprayed Dec 30, 2010 · What are some of you guys running for timing on a stock build? I have a few guys telling me they can get me tunes with 30ish timing. 1) Why does the table you're supposed to copy and paste only go down to 20mm3 and 1400RPM? (And the same with the table that shows actual timing percentage)? 2) Why am I getting garbage data The timing calculator requires you to copy in your particular rail pressure, duration and quantity maps. Timing Calculator I know everyone uses Josh's timing calculator in excelbut since it's been done on the cummins and works well at that, I think if it'd be possible to go back and add that it'd be awesome. I Figured since i created the calculator I would start Its own thread with an attachment so as i make changes you can find them here. I know when I started adding timing a dgree at a time it really seemed much snappier but I don't want to break anything Use this calculator to see what the effect of bore, stroke, rod length, cam timing, compression ratio, boost pressure and altitude is on your dynamic compression ratio. Perfect for injector sizing, engine tuning, and managing fuel delivery for gasoline or E85 systems. Oct 3, 2024 · This calculator simplifies the understanding and tuning of the injector duty cycle, making it an invaluable tool for automotive technicians, engineers, and performance enthusiasts. appreciate the help. Positive timing is useful for making power once the turbo/s are lit. Essentially keep the beginning of the pulse the same time before TDC through the RPM range. As far as detonation goes a diesel is always "detonating" so our goal is to place that detonation on MBT, this timing number will change constantly if you change your fuel amount or fuel pressure. When i look at stock vs my outcome the WOT The calculations assumes the necessary modifications for ambient condition through the use of IAT and MAF. In thinking about this I considered that stock injector's capacity is rated at 135cc (per 1000 strokes). I am no longer supporting this. I am only familiar with lsx based stuff and this is my first diesel tuning so far. if anyone has specific needs for other years/models I have now made the calculator very easy to add But a timing calculator tells you nothing about your intake air temp, manifold pressure, or engine temp, so to base all your timing off of injector on time only is silly IMO. Do not fall for the timing calc trap, no timing calculator knows your exact injector delays, current cylinder temp, or boost pressure so it will not know when and where your max cylinder pressure is occurring or where to place that Jan 7, 2017 · So I recently started tuning and have been making very minor adjustments through out the vast adjustments that a LML has in efi live and im getting the hang of it but at the point where I need a timing calculator I have found many for LMM and past Josh's v3 that seems awesome if it had LML so I Here is the Josh H Calculator I tweaked and threw together real fast that includes the LML. The one thing I am struggling with though is using the timing calculator in conjunction with his 40% injectors. This is discussed along with s Dec 14, 2014 · WRT diesel timing; wondered what it would look like if you took a pure RPM-adjusted approach as a starting point. Apr 6, 2025 · Diesel Fuel Injection Duration Calculator 06 Apr 2025 Tags: Mechanical Engineering Internal Combustion Engines Engine Performance Fuel Injection Timing Popularity: ⭐⭐⭐ Diesel Engine Injection Timing Duration This calculator determines the duration of fuel injection in a diesel engine based on engine speed and injection timing. 7. Let me know what you think of it. Also, a full version to calculate the time duration between two dates. You can analyze your profit and loss, not the gross the truck makes. I won't have them for very long because I am getting a turbo and injectors. Forum Tuning Dodge Tuning Dodge Tuning - Engine, Diesel Timing Calculator Page 3 of 3 First 1 2 3 Results 41 to 57 of 57 The DMax excel calculator has been out for years. 7l cummins diesels, that being said, is there any timing table calculators out there that you guys would recommend? ev As Arnie always says, it’s good to give back to the community. Aug 25, 2020 · looking for a nice mileage/power compromise timing table. Turn pilot duration and timing off above 100mm3 and 2200rpmsee where that gets ya. How to use it: 1) Copy and paste the Main Injection Timing table from MCC into the calculator 2) Copy and paste the Rail Pressure Diesel Injection Timing - Pulse Width calculator? I currently have a rudimentary timing calculator that I feel is ready for testing. Mar 27, 2025 · Understanding how to calculate the injector end angle is essential for optimizing fuel injection systems in internal combustion engines. I have never been able to make the injection timing calculator made for hpt work (For anyone who found the other post about injection timing calculator, all it does is invert the hpt tables so you can use the efi live Mar 11, 2019 · FICM. also what if there's too much timing advanced or timing retard. This calculator will calculate both Static and Dynamic compression ratio Compression Ratio is the ratio of an engine's cylinder volume vs. Hi,Can someone please share usable Injection Timing Calculator Spreadsheet or program?I try searching in Google for it. Hello Diesel timing calculator How do I get it? Apr 1, 2020 · Diesel timing does ramp in a little quicker per equivalent rpm compared to gas but you're still chasing MBT. Furthermore, what do the 50's represent? 50% split in injection? Desired timing final: Once I figure out the other stuff, where do I copy this to? I admit I have a lot more reading to do, but it's kind of tough to understand why the timing calculator isn't matching the tables definitions 100% 08-08-2017 #2 Milan Tuner in Training Fuel injection timing varies depending on the engine type, load conditions, and operating requirements. xlsb files. Feb 9, 2016 · So the Rom for the 325hp 04. You can enter numbers in the white boxes. Learn what possible mistakes are made and how a minor change in targets makes a difference. I am using a 2005 LLY file for this that is totaly stock. I was wondering if anyone has or knows where to get a diesel injection timing calculator to calc Mar 17, 2020 · In the factory table you can calculate how much extra duration is needed to go from 60mm3 to 80mm3. It uses the engine speed, number of cylinders, stroke length, bore diameter, and valve timing information to calculate the injection start, injection end, and injection duration. Uses macros for proper interpolation. I'm liking that timing for a good all around tune including towing. Forum Tuning GM V8 Tuning GM V8 Tuning - Engine, Diesel Timing Calculator how to Page 2 of 5 First 1 2 3 4 5 Last Results 21 to 40 of 81 In Sequential and Synchronous Port Injection, the relative Timing and or Phase Angle of the injection event can be controlled. Just adjust timing a couple degrees at a time in the areas you are operating in till you like it. I am using the Main Injector Pulse Width and Desired Fuel Pressure Base and copy and pasting those. Yellow tab is for your desired BTDC injection amount. The last chart will change to all 50's Nov 11, 2024 · This guide is designed to provide mechanics with a complete and practical method to adjust injector timing for Detroit Diesel 149 Series engines. Why Is Injection Timing Important? Here's a timing calculator I built specific to UDC Pro table layouts, not sure if HP Tuners copy to excel the same or not. Oct 5, 2024 · This calculator provides the calculation of fuel injector timing for internal combustion engines. I have never been able to make the injection timing calculator made for hpt work (For anyone who found the other post about injection timing calculator, all it does is invert the hpt tables so you can use the efi live Dec 13, 2012 · Did H&S ask you to post this? Just kidding. This calculator uses advanced background magic to find the values its looking for. 0 PS is still fairly new and there probably isn’t anyone close (mileage wise) to needing to change the belt, but has anyone looked into the cost and work needed to change the belt? There is a YouTube video of a 3. 7 for a few days now and finally have it working. If you have too much fuel before the turbo spools, you're gonna have a bad time, unless you love soot, then you're doing great lol The piston design on the newer 5. Pick the period, add the total gross, working days, total miles and all the expenses of your unit. Thanks. xlsx 2018 F250 Stock. I was wondering if there was a timing calculator for the CM2200 ECM (or 2010 cummins)? I downloaded the excel sheet for the 03-08 cummins, but I have not been able to correlate the tables. 0 I would have linked it directly, but the forum doesn't support . Power is a combination of added fuel (duration) and injector timing (main base timing). x. Feb 17, 2024 · Popularity: ⭐⭐⭐ Injection Timing Calculator This calculator provides the calculation of injection timing in crank angle degrees for a given engine. 9's doesnt behave like the older trucks. It gives step by step instructions and has screen shots. Feb 23, 2008 · The calculator sort of adjusts timing with rail pressure. There are now 3 big changes to the calculator. Copy your fuel rail pressure table from here My timing table looks realistic, and the numbers appear to be safe. You must also have hptuners and your diesel tune file open. Then download (click here) and open it (you must have excel for this). Is the timing calculator still usable with the current tables available in hptuners? The tables available do not match the tables used in the calculator, so I was curious if there's an updated method for tuning an lmm. The timing calculator works fine for 06-07 trucks, I tune them all the time. pdf EFILive for Dummies, Part 3 - Custom I've been looking for a timing calculator for this setup but so far have found none. I created a timing calculator that dynamically generates the main timing event based off Fuel pressure/duration/%btdc, then calculates the suggested Pilot timing duration adds it on top of the main event, Adding the 250uS timing to the mix when it generates it. Oct 12, 2007 · Here is the newest version of the timing calculator. Oct 19, 2021 · Forum Tuning Ford Tuning Ford Tuning - Engine, Diesel 6. I'm sure its been mentioned and you have a bunch to do on the new innovationsjust wondering Oct 2, 2014 · Then use timing calculator to make the bottom right cells of timing table 50/50 split, say 6up and 6over from bottom right. This reduction in timing, and the corresponding reduction in power will have a direct and proportional effect on fuel efficiency, or BSFC. That's where a timing calc comes into play. My question is not so much what target angle to use, but how the ECM calculates it based on the 3 Aug 11, 2013 · What is the difference between timing advanced and timing retard do you want a little more of the other? How do you balance etc. Feb 23, 2008 · How does it calculate or how do u calculate it with excel, or is the timing calculator just for u to plug in ur stock numbers and ur adjusted number and then run truck and see what u get afterwards and that tells u where u want to be for what u want Oct 6, 2024 · Optimization of Injection Timing Parameters 06 Oct 2024 Tags: Calculations Mathematics User questions injection timing calculator とは Popularity: ⭐⭐⭐ Injection Timing Calculator This calculator provides the calculation of injection timing for internal combustion engines. Compression Calculator Get accurate compression without the guesswork! Get your engine's optimal compression ratio and total displacement in no time flat! Just complete your engine setup, click calculate, and you’re on your way to maximum performance. . This will give you a much better idea of how much duration to add to achieve 20mm3 instead of looking at the 20mm3 cell (which is characterized by 20mm3 + injector latency) and simply adding that duration to your overall. Sep 29, 2009 · Timing isn't the only thing that comes into play,icp tables,fueling tables all come into play. I cant seem to find one for the life of me. The new timing calculator built in is cool, and with the new description makes sense too. I took out 15-20% out of the tune from before which nets me about a Jan 12, 2014 · Can someone send me a download link the josh h timing calculator for a 6. I am not sure what is supposed to be pasted into "current timing table". One of the steps is to use JoshH's timing calculator, it's a great tool for guys getting started and I hope he doesn't mind. the part you modify is the desired amount of injection btdc If you are reading/using this, do not PM me about it. This timing is usually balanced to get as much power as possible, while still remaining in legal limits for emissions. its combustion chamber size. S. Jan 22, 2008 · should have posted this sooner but ,over on the efi section ther is a timming spread sheet 50/50 timing calculator that a user (joshH )made to calculate timing using your camanded p. In this guide, we’ll discuss how the process works, the Jun 4, 2024 · Enter the injector start angle, injection duration, and engine speed into the calculator to determine the injector end angle. so far i have just made a spread sheet and calculated the amount of degrees that will be sprayed . So I started off reading a fair amount of folks talking about bumping timing up slightly in the cruise cells to get better fuel Sep 8, 2024 · This article presents a comprehensive approach to calculating ignition timing for various engine speeds and loads using an ignition timing calculator. The timing is more retarded in the 20 mm3-35 mm3. Get accurate repair labor times with our VIN-specific calculator. EFILive for Dummies, Part 1 - Tune Tool. Explanation Calculation Example: This calculation estimates Aug 14, 2016 · Here is a copy of my 6. com Free App Use our easy-to-navigate pickup and semi truck calculators to make informed decisions on towing, payload, fuel efficiency, and more. Dec 23, 2024 · Decided to share one of my Timing Calculators & show a little love for the ol' 6. I cant guarantee its perfect as I made this almost 2 years ago and haven't touched it since. It's a spreadsheet that will calculate injection timing using the 50/50 timing rule. but what is a good timing to run on a stock build for a couple years until I can build Forum Tuning GM V8 Tuning GM V8 Tuning - Engine, Diesel Duramax Timing Calculator if anyone needs it Results 1 to 1 of 1 Oct 15, 2024 · Crank Angle Calculation This calculator provides the calculation of crank angle for a given stroke length, connecting rod length, and crank angle. Explanation Calculation Example: The injection timing in a combustion engine is the point at which fuel is injected into the combustion chamber. 00 cc/min Reset Injector Flow Rate at Pressure Rated Flow cc/min lb/hr Rated Pressure PSI ba Oct 17, 2007 · Hi Guys, I've put a document together for guys with LMM's to start tuning off of. Jan 4, 2019 · So when using the timing calculator everyone says shot for 50/50 in the top end but what about mid range? Seems it's all over the place, from 40 to high as 75%. It is a critical factor in optimizing engine performance and efficiency. 1. 7L Powerstroke Timing Calculator. I was wondering if anyone has or knows where to get a diesel injection timing calculator to calc Timing Calculator Anybody have a timing calculator they use with the LMLs? Is one going to be added to EFI Live at some point? The timing calculator works fine for 06-07 trucks, I tune them all the time. I Have had some other users make some donations to make custom templates for EFI Live and Duramax So those can be added once he confirms it all works correctly. Why Adjust Injection Timing? Jan 19, 2008 · I'm pretty sure the Bosch and Isuzu engineers spent a bit more time in development and didn't rely on a postulated theory of pulse width and rail pressure to derive a timing table. The factory uses different values for both emmisions and to quiet the engine. 7 Cummins in use with the MCC Free calculator to get the number of hours, minutes, and seconds between two times. 40 mm3 is partly more retarded and partly more advanced but overall very little change. Eerything I read says it will rattle with too much timing but I don't know what timing rattle vs the normal diesel rattle sounds like. Truck runs decent and clean plenty of power up in top end just feel like theres more to have in the mid range Sent from my iPhone Feb 23, 2008 · Right but when using the calculator when they ask for timing table B your using gms stock table? Which then spits out the new tsble based on your pressure and pulse with modifications? Jan 24, 2023 · Hi My name is TrumanJust finished the diesel training course. As the manual is out of print, all necessary steps, measurements, and specifications are included here to ensure the procedure is accurate and straightforward without requiring additional references. Jul 26, 2013 · Has anyone made a timing calculator for use with mcc that is like the dmax one where it will show the percentage timing of your current map? Sent from AutoGuide. Configure Base Tune File Discussion and questions related to the course Practical Diesel Tuning = Resolved threads Reply Sep 15, 2023 · The manufacturer of an engine does recommend certain timing, which is the timing they set it at when the engine is first made. Definition: This calculator determines the compression ratio of an engine based on displacement volume and clearance volume. 7l cummins diesels, that being said, is there any timing table calculators out there that you guys would recommend? ev Fuel Injector Calculator Target Crank HP kW PS # of Injectors Induction Type Turbocharged Supercharged Naturally Aspirated Fuel Type Gasoline Ethanol Methanol Ethanol Blend E98 E85 B. Nick 136291 136300 The timing calculator is used to adjust timing to a specific ratio of fuel delivered before/after tdc on any tune configuration, not just the stock tables. Practical Diesel Tuning Relevant Module: Worked Examples > HP Tuners 2017 Ford F350 Power-stroke > 3. from what I read it was the basis of what was used to add it to EFILive. I was wondering if anyone has or knows where to get a diesel injection timing calculator to calc Trucker Calculator is a cost-per-mile and net profit calculator for trucking. Timing marks on the drive gears establish the basic relationship. Mar 15, 2016 · Rich@Doghouse Diesel is one of our Cummins Beta testers and over the last few months he has put together some really good user guides for those of you who want to learn more about EFILive on the Cummins. Green Tabs are data entered from your current tune. However this simply doesn't take in effect the real world results. For the reasons stated above, fuel flow calculations based on an estimated BSFC value are so error prone, that the are often meaningless. Adjusting injection timing is also often referred to as spill timing. I have my cam card so I know what they are. What would be the formula which ties all 3 together and would also show a total percent before or after tdc? May 2, 2014 · The built in timing calculator is a very important tool to help you build a table that is going to work well for the rest of the tune. 0 PS with the truck shell taken off and the guy shows that there are Forum Tuning GM V8 Tuning GM V8 Tuning - Engine, Diesel Timing Calculator Question Results 1 to 5 of 5 Hey there! Thought I'd share my limited experiences with ignition timing in the cruise cells (which appears contrary to what I've been reading, but makes sense in my head) and ask some theory/experience questions as I move into the higher load parts of the map. 3200us of duration in the upper rpm and load range would OE's set idle timing based mainly on noise and emissions, so increasing it will get closer to MBT. Since I'm lacking the pulsewidth for each Desired Fuel quantity vs ICP vs RPM, my current worst case plan is to data log and see how much I can capture. The closest I can find is Engine>diesel timing>main even>Default low alt lo at the very bottom, however, that tables row/column header values do not match the calculator, while the other tables in that section such as default low alt hi do match. There are many ways to perform VE test with numerous calculators available on the web. It's pretty simple to use, just follow the instructions in the upper left corner of each table. Static Compression Ratio numbers are the ones you hear thrown around the most ("10:1 compression"), and it takes into consideration the full sweep volume of the cylinder in regard to its range of crankshaft stroke. In the upper rpm and load range the max timing you don?t want to exceed is 1 degree for every 100us of duration unless you are tuning on a dyno to watch what the torque is doing. This guide provides a comprehensive overview of the science behind injector end angles, practical formulas, and expert tips to help you achieve optimal engine performance. The latter helps you determine the former based on rpm Negative timing is useful for low end power plus spool. Start by cleaning up the main timing tables, then go to the lower right corner of the pulse table and add 20% and go from there. It is used to determine the position of the piston and other engine components at any given time. Purpose: It helps automotive engineers, mechanics, and enthusiasts understand engine performance characteristics. Aug 11, 2013 · What is the difference between timing advanced and timing retard do you want a little more of the other? How do you balance etc. 7 2012. Feb 12, 2024 · Diesel Injector Pump Timing: Basics and How to Adjust It Diesel injector pump timing is the process of setting the time when the fuel injectors deliver fuel into the cylinders of a diesel engine. Overview Injector timing ensures … Injection Timing | Diesel Tuning Fundamentals Online Course | Learn at your own pace Aug 6, 2014 · Timing calculator uses duration and fuel pressure to determine how long it will take to inject the fuel at a given rpm. The percentage is used to determine how much of the fuel is injected before TDC. Value (optional) Max Duty Cycle (%) 0. If not if some one provides me a spreadsheet with HP Tuners table layouts for pressure, duration and timing I can readjust. Explanation Calculation Example: Injection timing is a critical parameter in internal combustion engines as it Injection quantity as Duration is unchanged and Injection timing as Start of Injection is unchanged as these do not need changing for a basic 10 – 20% power increase. Diesel and Turbo charged engines could result with higher than 90% efficiency if in good shape. C. Jan 24, 2020 · You may have heard of injection timing before, but what is it, and how does it relate to your marine engine? Do you even need to bother if your motor runs just fine? Whether you’re looking for a boost in power or your engine is a bit older than you’d like to admit, adjusting the injection timing can affect the entire system. May 13, 2024 · The spreadsheets calculate the actual injector pulse width that is being used based on your injection pressure, injection duration and injection BTDC (%) based on your current timing. If anyone has another version they have modded for their use, I would love to see the kind of changes you are making. Explanation Calculation Example: The crank angle is an important parameter in engine design and analysis. It will take the desired rail pressure and see what the pulse time is for a given fuel quantity at that pressure. It now allows you to choose what percent of your injection you want to occur BTDC. found the 5. I was wondering if anyone has or knows where to get a diesel injection timing calculator to calc I'd love to have a decent power tune without the smoke that gives diesels a bad name. i & main pusle width usec, it works great I started using it on every tune i make, any one interested should Dec 10, 2012 · I have been on my butt for the last few days from surgery and have made an excel file to calculate injection timing for the 6. If you want to test this, copy the top timing table into where you pasted your timing table from your tune. Etc. 0, i havent seen one yet and was going to make one modeling from the early dmax's understood that we are huei vs common rail, but we are still dealing with pulse width vs pressure vs timing 03-20-2019 #5 BigCE Tuner Im going to mainly be working on the 6. I've upgraded to a 175cc capacity injector but with +30% nozzle, so seems to me that the 30% increase in capacity is offset by the 30% larger nozzle, thus the full throttle injection events should occur at Sep 8, 2024 · In this article, we will delve into the basics of ignition timing and provide a comprehensive guide on how to calculate optimal ignition timing using an ignition timing calculator. Cheers, Jared Jan 28, 2024 · The injection duration and timing are affected by the nozzle diameter, area, and the characteristics of the injected fluid. This is not a tutorial on how to build a complete tune, this is simply a demonstration of how to use and apply timing calculator. jpg whats your thoughts on a timing calculator for the 6. 5-07 has a minimum of 250uS between the pilot and main event. The numbers are not meant to represent what you should get, just data to use as an example. pdf EFILive for Dummies, Part 2 - Scan Tool. Related Questions Q: What are the most common fuel injection systems used in gasoline engines? The table at the end shows the percentage of main injection happening before tdc as your tune was. Values will vary between a tow, street, and a race tune, and will also be different for engines with larger injectors, turbos, etc. First, you want to make any modifications to your tune you are going to do, the timing calculator is the last thing you do as it is dependant on fuel and fuel pressure. Do you have stock injectors. Conversely, improper timing can cause engine knocking, power loss, and excessive fuel consumption. Forget the timing calculator, they don?t teach you anything. and yes there is a Cummins excel calculator as well. Forum: GM V8 Tuning - Engine, Diesel Timing Calculator how to Started by mecanicman, 05-26-2011 08:24 PM 1 2 3 5 Replies: 80 Views: 111,883 Last Post: 08-11-2020 02:16 PM by mbenkovszki Sep 8, 2024 · This article presents a comprehensive approach to calculating ignition timing for various engine speeds and loads using an ignition timing calculator. Ensure competitive quotes and precise invoices for your truck repairs. Hi My name is TrumanJust finished the diesel training course. s. Cheers, Jared This reduction in timing, and the corresponding reduction in power will have a direct and proportional effect on fuel efficiency, or BSFC. Blue tab is for the resultant timing table based on all existing tune data (fuel I am looking for some direction for which tables to copy and paste to the attached timing calculator. There is no magical timing value or percentage that can be used on every tune. Feb 19, 2016 · I calculate the slope between 2 known coordinates, and then interpolate between them at a resolution of every 1 whole integer (meaning between fuel qty 8 mm3 and 12 mm3, it defines/interpolates 9, 10, and 11 mm3 - and same for fuel pressure reference, every whole integer is defined/interpolated), and then have the timing calculator reference Dec 21, 2024 · Use the Injector Duty Cycle Calculator to measure the percentage of time your fuel injectors are open during an engine cycle. The table at the top (purple I believe and labeled copy) is the timing table you past back to your tune. I can understand EFILive branching out to Dodge because future DMax tuning looks pretty hopeless, but there's no reason to completely stop The table at the end shows the percentage of main injection happening before tdc as your tune was. The SPA stuff can also be extrapaolated using the same techniques as above. From the best I can tell it works, but I was wondering if someone could bump it against their own calculator to make sure. This is an Injection Timing Calculator for the E98 ECM OS:55499969 It works with my OS, however I'm sure with other OS's their tables are using the same X & Y Axis values etc. Feb 11, 2011 · Injection pumps have two provisions for synchronizing fuel delivery with piston movement. I just emailed them last night talking about the need for a tune from 2 degrees BTDC and climbs up to 22 degrees BTDC and that is exactly what you posted on the far right excel tab label of 6. Mar 7, 2013 · So im trying to do this for my buddies truck and understand efi and all the functions of the tables pretty well. Nov 14, 2016 · Timing calculator for 2010 Cummins Started by jfreemanak, 04-14-2017 03:45 PM Replies: 12 Views: 6,477 Last Post: 10-14-2018 08:46 PM by Jim P Forum: Dodge Tuning - Engine, Diesel Here is a calculator I created to at least help with the Injector flow rates and then the offset values can be moved about as defined above. 9 and all the d max except this. Optimize your truck’s Timing is when the fuel is injected and duration is how long the injector is open. x? I can't seem to find one that will work with my file, they all seem to be for EFI or older versions oh HP. 12 degs isn't on the high side of things. It's used to calculate your optimal injection timing for EFI Live tunes. When you add fuel without changing the timing this makes it so the added fuel is being added AFTER top dead center and if you add enough fuel you will be causing your combustion event to carry on until the exhaust valve is opening basically wasting the added fuel and Im trying to wrap my head around a diesel timing formula to calculate a total timing graph for a datalog as well as individual graphs for pilot, main, post. The timing calculator allows you to correct your timing for added pulsewidth. Red tabs are calculated values from your current tune. What is Ignition Timing? Ignition timing refers to the moment when the spark plug fires in relation to the piston’s position in the cylinder. Tailored by engine type, size, age, labor rate & more! May 2, 2025 · I know the 3. The formula above calculates the corrected flow rate and injection start timing for a given set of parameters. This simple calculator is one method to calculate VE. Here are the pdf downloads if your interested in taking look. But no luck for usable one. If you are reading/using this, do not PM me about it. Unlike Static Timing Calculator Anybody have a timing calculator they use with the LMLs? Is one going to be added to EFI Live at some point? Quickly estimate your engine rebuild costs with our free online calculator. Now I am trying to be scientific about the values I really need based on my new valve timing events. Feb 3, 2017 · The best timing calculator is watching and listening to what your engine tells you. A well-calibrated timing ensures complete fuel combustion, leading to higher fuel efficiency and lower emissions. Already increased fuel just below where the stock clutch slips and max RPM to 3800. The timing calculator as far as a formula just merely shows how much fuel is injected BTDC vs ATDC. Nov 27, 2013 · A forum community dedicated to all things Cummins Diesel! Originally founded for owners and enthusiasts of Cummins powered Dodge pickups, the Cummins Forum has expanded to include ALL Cummins Engine applications! In short, a timing calculator is a spreadsheet or piece of software that can be used to automatically generate new injection timing values based on the changes that you've made to injection pulse width. Aug 23, 2012 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. F. It is simialar to the other ones out there. 0L timing calculator or math needed to tune for non-stock injectors? Im going to mainly be working on the 6. For support or any questions feel free to contact at Does anyone have a timing calculator that will work with the 4. Feel free to use at your own risk, but all pms regarding diesel tuning will be deleted. Of the variables, the most important is cam timing which has a dramatic effect on your "dynamic" as opposed to your static compression ratio. The old rule of diesel is 50%, meaning 50% before TDC and 50% after. This calculator uses the Nov 15, 2012 · I have played around with the EOIT boundary to reduce or remove the raw fuel mixture being sent out the exhaust valve with my new cam (has 8* overlap). You can use the calculator below to determine injector duty cycle when engine speed and injector pulse width are known. Getting a new clutch to handle more torque. 7 Excel Timing Calculator. Oct 21, 2015 · Hey everyone! I have been working on a timing calculator for the 6. The last chart will change to all 50's Nov 7, 2007 · Okay, I just looked at a stock tune with timing set with the 50/50 calculator. I plan on putting together Apr 12, 2019 · 6. You can't compute the point of ignition which is the fundamental factor in Nov 11, 2017 · I'm trying to understand the Josh H V3 Duramax timing calculator and can't make sense of a few things.