Primary ve vs rpm vs map. 5-bar MAP sensor support (255 kPa).

Primary ve vs rpm vs map I found that confusing as well for some time, up until recently actually. When you say target AFR table, is that the one called - MAP A A/F ratio 20-100kpa air fuel ratio vs RPM & MAP ? If so do I need to have the MAP A - A/F ratio 20-100kpa air fuel ratio vs RPM & MAP table open as well as the VE 20-100kpa volumetric efficiency (VE) as a function of MAP & RPM table open at the same time and also have the wideband readings showing as well? Jul 24, 2011 · Since my serial number will only work with the beta version thats the version I have to use, and I cant find the Primary VE vs RPM vs Map, Now Im new to tuning and I am following one of Greg Banishes dvd's which shows this table in his software but I cant find it in my beta version? Mar 12, 2017 · For example, in order to generate 117 BHP (65% Rated Power) at sea level in the chart above, you can select either the combination of 24. split63. MAP for low load/road driving and TPS for high load/track stuff. This will smooth out the table values and provide a more crisp throttle response. this should be where the adjustments are needed. 5:1 AFR for example in the PE (EQ ratio vs RPM) table (1. These also are nice and have 4 weight locations for different setups and styles of riding. The piston speeds (RPM) and power settings (MAP) are lower for lower forces/stresses and lower heat flux (temperatures) on all components at the continuous ratings. 121] > 14. MAP tables they can post. Finally have the setup finished and driving and want to do some sd tuning. Max Torque vs. PNG Spark_MAP 2. G. 27) and slightly richer with higher boost. Dec 1, 2010 · In the scanner when doing VE LTFT histogram config, should the table be Main Spark vs. I never noticed that the spark table was RPM VS: airmass and VE was RPM VS: MAP. MAP table and then do it all again, is that correct? Is there anything else I should do? when making a histogram where it says "filter" there will be a question mark icon right next to the lettering "filter" if you click that it will open a list of all the senors and pids with names and value nomenclature Jan 26, 2011 · NOTE *If you want to tune VE simply change the to table to Primary VE vs RPM vs MAP* The WOT histo is another basic, filtered histogram. In the Secondary for the Column axis section I have the PID, Engine RPM (SAE) selected with the appropriate labels. 3. The goal is to get ALL LTFT’s between -5 and +5. Also, should the 'ENTIRE' primary VE table (Airflow-> Main VE Primary VE vs RPM vs MAP) be increased? I'm not sure what is a significant change is. Either have the BE Enable map at 105kap or I could just increase the BE Enable Map to a value near max desired boost. MAP table, or where do you make fueling corrections at, on this ECU. Once all values are between 0 and -4, look at the VCM Editor>Edit>Engine>Airflow>Main VE>Primary VE vs. Feb 23, 2015 · I'm having trouble setting up the VE - LTFT histogram in VCM Scanner. Exp, Primary VE-MAP 40, RPM 3600, cell is say 76, then the same cell in the Secondary table is like 57. With the gilomen goodies 35mph its at 5800-ish, with also feels and seems high for rpm's at 35mph. Example: HP Tuner VE Primary vs RPM vs MAP (I understand this is a percentage I assume from 100%) but LS1 Edit uses numbers that Do higher #'s in the Primary VE vs RPM vs MAP table = a richer mixture? 08-01-2007, 06:19 PM #11. And have the target 11. So how would you apply that info to the VE table? I am only following the instructions provided in the SD VE and MAF tuning instructions in the link I think I provided in an earlier post. Thanks, Jason A. Airflow is g/sec, airmass is g/cyl. You would change timing in the 1200/35 cell for your example. My question's are does it look safe, these are tables i think still need adjustment, Power Enrich Fuel Adder vs. Note how the units automatically turn to AFR if your custom PID is configured for that. Right click inside it, go to column axis and click on copy labels Paste these into the "values" section for the column axis Next is the row axis. While RPM indicates the engine’s speed, it doesn’t directly measure power. Then click on PID in the upper right, expand user defined and double click your custom PID (mine is called AEM AC WB). 28 which is equivalent to 800 RPM's you have 4 which is equal to +4. The operation is opposite for negative LTFT's. I am trying to get an idea on what may get me the best towing and MPG. Dec 14, 2005 · My scans: I click Average, Load all Data, then: As you can see I subtracted the Primary VE vs RPM vs MAP from the VE, LTFTs %(Histogram 3) RPM vs. Jan 26, 2023 · Applied the OS upgrade for the 2-Bar MAP on my PCM and set up the Primary VE table accordingly. I go to Engine>Airflow>General Airflow and it has a title for Main VE but directly under that is the title for Reversion. Like for example telegram doesn't support drag drop files unless the settings is bypassed manually. fuel trims or some kind of wideband error, etc. There was a classic engine power rating schedule of continuous vs TO power as well. 00 going to 39. All things being equal, lower RPM will pretty much always result in lower MPG from my experience. My file is currently at the dyno so i can't get access to it right away. You "can" do that, but it technically isn't the right way. Reset the LTFT via the VCM controls to give your fuel trims a fresh start. Apr 9, 2013 · Primary VE vs. PNG Open the primary VE table. 5 higher then what your trying to filter out. Adds Boost Enrich tables and fuel cut based on MAP thresholds. Any hep apprieciated as I am a complete newb. Repeat steps until ALL values in the VCM Scanner>Histogram display>LTFT are between -5 and +5. Here, what's the difference (if any) in selecting different combinations of rmp and MAP to generate the same power? Aug 8, 2014 · Not absolute performance, but efficiency - as evidenced in what we call peak torque. I would look at "knock count incrementing" not at the spark retard. Max Torque: Maximum allowed engine torque for Electronic Throttle Control fitted vehicles. RPM, to Mar 27, 2004 · For either one of these the fuel map is adjusted vs the rpm, but I've seen both MAP tuning and TPS tuning on some of my friends cars and both will claim that they're way is better, or more efficient, etc. RPM values, but a different TPS vs RPM value. Apr 6, 2007 · Once all values are between -5 and +5, look at the VCM Editor>Edit>Engine>Airflow>Main VE>Primary VE vs. From the help file: Primary VE vs. MAP) to filter less than 10 cell counts and Plot filtering of [SENS. Jan 18, 2020 · Your X Axis on MAP vs RPM is what your MAP sensor reads as pressure 0-100. Go to the table your the y header and select primary ve vs. Map Histogram listed under the Main VE subheading "Primary Button". But the data values in the cells are tremendously different as it appears they are using something other than percentages. Oct 31, 2007 · The only difference from the table you see in the help file and the table you see in your calibration is the X and Y axis. 0, 30) is -10, SUBTRACT 10 from the (2000, 30) cell in the VCM Editor>Edit>Engine>Airflow>Main VE>Primary VE vs. Click on that. High Octane or Primary VE vs. so, and one that provides /lib64/libfoo. HPTuners uses the Cylinder Volume to represent the raw VE table (seen in your calibration) as typical Volumetric Efficiency values (0%-100%, upto ~350%) in early LS1 calibrations (pre-2004). An engine can run at high RPM but produce minimal power, especially if the MP is low. 2nd change, Closed Loop Enable : set the temp so high that the engine will never enable closed loop. 050 lift) duration cam with aluminium corvette heads and flat top pistons running 11. Adds new VE tables (33x33 resolution with configurable MAP and RPM axes). Oct 6, 2018 · If you're dealing with an engine with a single throttle and plenum, in almost all cases you'd want to use MAP as the load axis. Gilomen flashed Iimiters deleted ecu 50 mph, but 8100-ish rpm's. This will not work out exactly but will be VERY CLOSE. with tuned port injection and vortec crank pick up and dizzy running a 411 pcm and 60lb bosch injectors, 1. 6 When tuning the VE, do you always use the same Primary VE vs RPM vs MAP when using LTFT or STFT? Thanks for the help, sorry for all the questions, im slowly starting to understand this stuff Primary VE vs. 9 for MAP and 2400 for rpm. Thanks, Oct 12, 2012 · primary ve vs rpm vs map the curves are really kinda tight in the 2d view, so I thought it would be way easier to smooth (or interpolate, meaning just keep the curve going) certain areas, if there would be only a selected curve visible/ any way to accomplish that? Nov 17, 2014 · TPS vs RPM with MAP compensaiton can work too, but it cannot be mapped to give ideal fuelling and ignition at every MAP vs RPM site, simply because its using fixed compensations. With a Z Delta Field, then the generated table shows the difference between the Z field and the Z delta, in this case that means a table that represents how far off your engine was running from the target AFR in Does anyone have stock VE% vs. MAP. Oct 27, 2005 · As far as it is used in the VE table, it is a calculation, rather than and actual measured value. 400 rpm 15 kPa 36 20 kPa 39 Change the above to 37 and 40? I started seeing higher positive LTFT after installing a ported stock TB. I use custom 2 bar os only SD no maf Mar 7, 2021 · If so would RPM vs TPS be the best option or would TPM vs MAP/MGP be better? I'm also curious about if TPS is better for the load axis on a large turbo and the throttle lets say is at 50% at 20 psi will my AFR be different if the throttle is a 100% at 20psi. TPS is normally reserved for itb set ups (where it's basically essential), or alternatively in some engines that use a very aggressive cam profile TPS can give you more resolution, particularly at low rpm. 5 bar map sensor). Flatpaks are containerised apps so sometimes it doesn't work well with certain things. Multilib support is one of the key reasons we needed RPM support, and not just "rpm", but fully integrated rpm support. i cannot find the Primary VE TABLE for the number three Bob in your book to scan ,, the maf and VE tuning in page 20 Down in the X-header i have to make the table ,, in your book its primary ve VS rpm VS map when i hit the x header and y header i cannot see that in the scanner ,,,, any ideas ? Apr 17, 2018 · Primary VE vs. New VE tables with 33 x 33 cell resolution each and configurable MAP and RPM axes (choose your own resolution) Charge Temperature based VE multiplier table, configurable axis; TPS based VE multiplier table, 33 x 17 cells with configurable TPS and RPM axes; MAP referenced "Boost Enrich" table; Boost Enrich MAP threshold and hysteresis value 114+4 sounds like you should be able to get a pretty respectable idle out of it. a steady state dyno holding you at a given RPM). The standard PTO speeds are 540 RPM and 1000 RPM. Big difference. I would love to see a sample table someone has done that really seems to improve throttle response and driveability Aug 18, 2021 · The engine’s ‘real VE’ may be 200 percent, but the table value is still around 100 percent as the calculations take the boost into account. MAP table has control over idle fueling. Also, I was looking for MAF calibration tables and primary VE vs RPM vs Map. This way you don't have to hit all combos of RPM and MAP. If the 3D Surface graph looks choppy, click on polynomial smoothing ONCE. Please correct me if I'm wrong, but for closed loop idle fueling the 400, 800, and 1200 rpm cells at the lowest MAP value’s in the VCM Editor>Edit>Engine>Airflow>Main VE>Primary VE vs. I’ve heard Kawi sets them up a little loose from the factory. For background, we are both using the BMW M54B30; however his engine has a set of ITBs from an S50B30 and has intake Vanos enabled - I'm using a in Sep 30, 2015 · I'm tuning a GMPP LS3 crate engine in an offroad truck. It will be under the 140kpa section 08-23-2009 #2 I have been working with a twin charged cobalt for some time now. MAP table to bring it UP to 0. MAP for the Roll & Col Axis and end up with something that will measure the Primary VE in-order to see if the Main VE tables in the VCM Editor are correct or am i going about this wrong ? The VE table corrections can be derived by the following formula: (+-LTFT%) + (+-STFT%) = Final % Learned If your LTFT histogram value @1600 RPM, 30 kPa Map is +7 and the associated STFT value is -2 your total % fuel correction is +5. Aug 13, 2005 · Open up your editor and go to Edit>Engine>Airflow and look under MAIN VE click on Primary VE vs RPM vs MAP. RPM and MAP table). very similiar process. This customer wanted to learn how to change his Park Throttle Spark table from MAP vs. RPM vs. 100 equaling atmospheric pressure at sea level. Aug 15, 2023 · The one thing that has me curious is the top speed. two springs, one a 140/300 vs. Fixed compensations cant account for that. Jan 18, 2020 · Most of your fuel tuning you can do in your TPS vs RPM and you will see the biggest changes there. MAP Is there a way to make a Histogram using the Dynamic Cylinder Air as the General & Plot PID: and use the Primary VE vs. This data is entered into the VE table, which is plotted on a MAP vs. one change at a time you can see my settings. High Primary VE vs. Nov 1, 2024 · I just put aftermarket assassin spring and weights on my ridge. Aug 22, 2007 · Also the Primary VE vs RPM vs MAP table was still set at 140KPA (shouldn't it be at @ 300) PS. I've read through the entire manual once already and it doesn't really give any indication to which was more popular. Using the histogram with lambda error PID and Primary VE vs RPM vs MAP. I suggest keeping it about . Thats not much boost at all. May 6, 2010 · I am trying to tune my Primary VE table and my histogram labels seem to be backwards between the scanner and the editor. ” VE calculations look at the number in the fuel table, then look at how many cubic inches the engine is, the manifold air temperature, and finally, the target air/fuel ratio. You shouldn't be scaling the IFR(injector flow rate) table if you still have stock injectors. (It is a SD OS Map however, with a 2. A guess at VE from known similar engines will be very close actually. Some vehicles have a Secondary VE Percent vs. If the VCM Scanner>Histogram display>LTFT cell (2. 3 comp. Your help is appreciated. I found it out by chance. 2. Start car and let it warm up to operating temperature. Oct 17, 2007 · PCM's & Tuning HP Tuning Question?? Feb 10, 2009 · ION Redline Forums. Mar 9, 2014 · Ok I have these calibrated success dvd's and well it looks like this was done with a older version of the software. 98 ltft Histograms Help Jun 11, 2023 · As far as fuel, I have TPS vs RPM and a Map vs RPM as well as an accel enrichment table. Primary VE vs. It is also used to provide Aug 17, 2005 · "Primary VE vs. However, it doesnt look like the histogram picks up on this. Generally any vehicle will do. The first thing that stands out to me is my LTFT+STFT table is waaayyy off, assuming I have it set up correctly of course. [ECM] 2370 - Boost Fuel Enable MAP: This is the minimum MAP to enable the Boost Enrich table. 5-bar MAP sensor support (255 kPa). a 180/300. Like you mentioned, low RPM and boost is a bad scenario for engine and often times ECU will run very rich AFR to prevent engine knock. This map has the dynamic airflow disabled, so the car is running on MAF only. The primary VE table is the main fuel map. Also, with big cams, drastically different driving conditions can result in the same MAP vs. View Profile View Forum Posts Dec 30, 2004 · The tables from the histogram and the Primary VE table both match exactly, so it is better to make you changes to the Primary first, then copy the needed rows over to the Secondary. Feb 21, 2009 · The MAF is STFT's logged across the table "MAF Airflow vs Frequency" (X) and the VE is STFT logged across the "Primary VE vs RPM vs MAP" table (X and Y). Show Printable Version; 06-12-2010 #1. the 140 will engage at a lower rpm than the 180, with the finish rates being the same For this Tuesday's Tech Tips, we're looking at a Dodge ticket. Ed Last edited by mowton; 02-22-2009 at 07:07 PM . * Paste the values from your histogram into your VE table. But as of right now all the numbers in my primary VE table are very high, like in the 800RPM, 26Kpa cell, I have the # 1444. 27 right across) and as you mentioned, will have BE (EQ table) set the same (1. Also my dyno tuner is convinced that the VCM Editor has these feature locked out for V6 tuning. Otherwise if you do it the other way around and need the Primary VE table, you will have to guess the rows that the Secondary table is missing from the Primary. This value is also used to control a torque based PCM output, this is used on some Holden vehicles to reduce Fuel Pump voltage when torque is Main VE * Primary VE vs. so. engines efficiency will change at different rpm and boost levels. High Octane selected. MAP for the Roll & Col Axis and end up with something that will measure the Primary VE in-order to see if the Main VE tables in the VCM Editor are correct or am i going about this wrong ? When you boil it down it's really just a parameter that you want to graph (i. I understand how editing the Primary VE vs. It is typically considered more accurate because it directly measures how the engine is 'breathing' and automatically adjusts for varying conditions (altitude, temperature, humidity) and modifications to the engine which affects it's volumetric efficiency. "Main VE and select Primary VE vs. My gauges and chart properly recognize the 2 BAR MAP and list the correct values. Some people command for the same AFR all the way across the cells in the PE multiplier table for all rpms and adjust the primary VE vs RPM vs MAP table to adjust for wanted AFR's while others set each cell multiplier differently to command wanted AFR's and do less adjusting in Primary VE table to get wanted AFR. RPM and VE vs. Your X Axis on your Ignition Timing is TPS 0-100. Yeah, like on My 2000 Pontiac Trans Am, but oddly, not on my 2001. Apr 30, 2011 · I have a 07 Cobalt with an E67 ECU, do I use the E38 or 98 ltft histogram to accurately tune VE tables via the narrowband method? e38 vs. this is how you will first correct your Aug 22, 2018 · Hi, I've been fortunate enough to have another G4+ user share his tune with me but I'm unsure as to whether the TPS fuel map will be the best option. Many do this because the secondary VE table has half the resolution of the primary table. But for general use I haven't found much difference in using both. Jan 21, 2025 · RPM indicates how fast the engine’s crankshaft is spinning, and, indirectly, the speed that the propeller is spinning. Airmass vs. (AFR - AFR Target) Taking that step further, with a log including target AFR, you can set that up as a Z delta field. Aug 28, 2017 · Prinary VE vs RPM vs Map; Results 1 to 5 of 5 Thread: Prinary VE vs RPM vs Map. Apr 4, 2010 · 5. But what happens when there is a corresponding /bin/foo? Do you use alternatives, do use Jan 1, 2013 · Thanks for your reply Jayme. I think the system can be swapped over to RPM vs MAP instead of RPM vs TPS. 2) now I understand this will not be exact to everyones formula as you Mar 13, 2002 · C4 Tech/Performance - What does the Volumetric Efficiency vs RPM vs MAP table do ? how to adjust ? - I was doing some comparison between diffrent bins and my current bin file, an I was wondering, what the numbers in this table do (Volumetric Efficiency vs RPM vs MAP ). View Profile View Forum Posts Private Message Tuner in Training Nov 6, 2024 · If you're like me, you've probably wondered about the inner workings of Power Take-Off (PTO) systems—those vital links between tractors and implements that drive so much of our agricultural work. Feb 17, 2012 · On the Primary section at the top of the Row & Col Axis tab under the VE - Long Term Fuel Trims Histogram, I have Main Spark vs. MAP>3D Surface graph. MAP This will allow you to use your wide band to tune you WOT a/f ratio. i believe the right way to tune your 2001 corvette is by failing the maf, turning off power enrichment, disabling decal fuel cut, disabling cat over temp protection, writing that to your ecu, and in vcm scanner configuring histogram #3 which should primary ve vs rpm vs map. This is a blended fuel mode (ie it uses both the primary and secondary fuel tables together) that allows for different load and RPM axis to be combined. MAP is what will get all my LTFT's between 0 and -5. Commonly this is used for having primary and secondary fuel tables with different load sources (Eg: Primary map using TPS and secondary map using manifold pressure). Apr 24, 2015 · I have tuned the primary VE table now and it is spot on. Now rescan, and do step E. I did not check rpm's at 35 mph with stock ecu making either the primary or secondary springs more stiff will increase rpm. Editor>Edit>Engine>Airflow>Main VE>Primary VE vs. I see in the Primary VE vs RPM vs MAP that it only goes to 140kpa. I always suggest starting with TPS vs RPM and making any fine adjustments with your MAP vs RPM. I thought they were both MAP base, but they're not. Coolant Temp, - Primary VE vs. 99. Thanks so much in advance. When i try to setup my histogram for VE and MAF tuning the table for 'Primary VE vs RPM vs MAP' is not there! So far i have tried: - Downloaded and updated Apr 21, 2009 · Im trying to follow CPIG's tuning guide step by step for WB 02 users. The trick with multilib support is it's easy to have to packages, one that problems /lib/libfoo. Jan 5, 2021 · But, that will not be usefull in tuning in the editor since the MAP channel isnt on the Spark axis in editor, Airmass is. the function string I used for that was (/. Tuning & Electronics. foff667. MAP, and spark (which I have not touched) but should I just copy the 04 express table I have used for all these changes. I have piped in the aem uego through the ac pressure switch to log afr in real time and have that being monitored in my histogram. rock crawling, etc) if you’re getting jerky engagement, check your belt deflection. I am also logging the LTFT in another table of rpm vs map kpa. Chris Apr 18, 2013 · All tables rows and columns are the starting point, so in you example the RPM row labeled 1200 is for RPM's starting at 1200 and going to 1399. the TPS function is a multiplier of the existing VE table wihich is already MAP vs RPM. Oct 16, 2019 · The first change, Primary VE vs RPM vs MAP: Richen up the mixture (say 10%, all cells), so that the engine doesn't run lean while logging VE errors in open loop. " This part of the instructions doesn't seem to be in my ecm? I noticed that when I adjusted maf frequency table i could get my idle fuel trims damn near zero. It is the VE (percent of cylinder air fill) and therefore is used to compute the matching amount of fuel injection duration based on all other factors (such as engine size, injector flow rate etc) as set in other tables and driver settings dialogues. 5: Let's say at . Thanks Mar 22, 2013 · And, you'd have to know the cross section of open area, which means you'd need to actually know the angle. This of course is preference based, and can be changed to whatever you desire. 1 with Allison and was looking for modified max torque sparks tables and main spark tables for comparison. MAP vs. Use about ½ the correction (2. Adds TPS-based VE multiplier table (33x17 cells). MAP>3D Surface graph. I am running a 35" tire and true dual exhaust. Jan 2, 2023 · 5. Feb 4, 2013 · Is there a way to make a Histogram using the Dynamic Cylinder Air as the General & Plot PID: and use the Primary VE vs. When running off the secondary VE, are the values in the AFR% in the scanner histogram accurate? I know the secondary VE has a different resolution than the primary. And what type of adjustments, if any, can be Oct 27, 2011 · JasonC SBB wrote:Perhaps there could be an Autotune mode wherein the VE vs. I cannot find the VE vs RPM vs MAP table anywhere. Jun 14, 2010 · Thread: VE% vs. Aug 3, 2014 · I understand tuning in MAF only or SD but it was on my 2000 GEN III which seemed a lot less difficult to figure out. Open the VCM Editor>Edit>Engine>Airflow>Main VE and select Primary VE vs. I had to find the Bluecat software to adjust the coefficients to a VE table and then make a table because my histogram doesn't have a supportable table for Primary VE vs. 5888)+11. 5%) on the VE table cell @1600 RPM 30 kPa Map to avoid overshoot. However, when comparing the same cells at the same MAP/RPM intersections between the two tables, they are different. Aug 24, 2011 · I swapped the turbos on my TT GTO (2006, E40 ECM) for a set of GT3071s, and in the process I switched back to an older MAF tuned map to get a starting point. Jun 30, 2024 · Once all values are between -5 and +5, look at the VCM Editor>Edit>Engine>Airflow>Main VE>Primary VE vs. E. Other than that I don't have the option to change anything but the cell values. RPM, whilst TCC locked Leads me to belive it's for A4 cars. Supports both MAF and Speed Density mode. Rescales High MAF table (up to 15,400 Hz and 1024 g/sec airflow). Yes, it's very much plausible, you'd need to take a look at BSFC map for this engine to have a better picture. Using the multiplier you can construct all kinds of setups to suit your particular needs. Your LTFT trims should be 0 at this point since we disabled them. The most common speed is 540 RPM for medium-sized implements, while 1000 RPM is utilized for at low rpm, once the map is maxed out, everything will stabilize, but at lower maps, large changes in map will result from small changes in tps. In Beta 2. ), then a setting for what you want the column axis (MAP in mine) to be and a setting for what you want the row axis to be (RPM in mine). View Profile View Forum Posts View Blog Entries Visit Nov 30, 2010 · In the scanner when doing VE LTFT histogram config setup, should the table be Main Spark vs. VE values are used by the PCM to set the fueling of the engine, in conjunction with the MAF, or solely if we are in SD mode. the Commanded EQ/AFR has nothing to do with the VE table. The fuel quantity injected and resultant lambda reading are significantly affected by many factors beyond the amount of cylinder filling (volumetric efficiency represents a percentage of the swept cylinder volume, for those that don't know the lingo). The only table I can find for VE vs RPM vs MAP is under cranking VE. Although it is not strictly a VE table in the traditional sense, it is displayed in % for convenience. I have swapped MAF Sensor to the 15865791 Card style MAF and have adjusted the IAT and airflow tables accordingly. 23 they show a Main VE Subheading, but there is no Primary Button to bring up the histogram to special paste my scan and multiply to. frequently a stiffer primary spring will also be stiffer at engagement rpm, which means a higher rpm when the clutch starts moving the trackyou can check the rating of the spring, i. Scanner: VE Long Term Fuel Trims LTFE (%) Engine Speed RPM( X axis ) C y l i I typically give rpm primary preference than flatpak. Per the DVD it's says I'm suppose to use Primary VE vs RPM vs Map for this but I can't find this. Aug 27, 2017 · I recently found that the Emerald system has a complete MAP table. . Richen this cell by increasing the VE table value by the amount of the LTFT value. (Different tire sizes, fast trail riding vs. Part throttle low RPM you can adjust your MAP vs RPM. It bugged me enough to waste several hours looking thru help files (several times), requested features (in case you couldn't) and dozens of forum searches and I give up. It is also used to provide transient condition correction to the VCM main airmass calculations. umrjmac. Sep 15, 2011 · My setup is a 356ci with a 260/268 (212/218 at . So Mar 5, 2009 · A MAP sensor determines engine load by measuring manifold pressure (or vacuum). 5 for MAP and 2100 for rpm or that of 22. Click on "Table" under the X Axis and double click "Primary VE VS: RPM VS: MAP. Jul 7, 2011 · I am logging that in a table of rpm vs map kpa. Jul 16, 2015 · VE is a misleading term when used in mapping. Thread Tools. RPM Open Throttle. The MAF sensor has been removed so I'm trying to tune in speed density mode. RPM: Maximum allowed engine torque vs. 0 it will start collecting data. 6 ratio roller rockers. Stock before ecu flash 50mph @7200-ish rpm's. Under the PE, Boost Enrichment, I see more confusion which I assume is just a typo. Try increasing the values in these cells. MAP tables. Show Printable Version; 08-28-2017 #1. Click on "click to insert or change" in the row axis section, type in engine rpm, hit the gear icon, double click on parameter that is left. Right above my "Spark Adv vs MAP" I have the "Spark Adv vs Airmass" which correlates to the Editor Spark tables so I know exactly where to adjust timing. RPM basis. Feb 18, 2022 · That would be a neat option, though. Setup VE Histogram (Primary VE vs. Setup VE Graph (Primary VE vs. When AFRs hit below 14. Positive LTFT's indicate fuel is being added because of a lean condition. Dels 383ta. And the MAP column labeled 35 is for MAP starting at 35. It does say that even with alpha-N as the load source a MAP signal is still required so perhaps it's automatically taking that into consideration. MAP table. *Try to complete this on the same day for best results as LTFT values can vary +-4% per day. By your answer, it sounds like ill have to play with it and when a change doesn't make the expected difference to step back and evaluate. Here is my question, where in the heck is the primary VE vs. 6 6. Map? The reason that I am asking is that the TTS manual that I have says to use Main Spark vs. A good rough guess at VE (look at some EFI VE tables of similar builds), and a vacuum gauge is enough. Jun 17, 2004 · The Tables look the same as far as MAP 15, MAP 20, etc. Like Pete said the VE table is generally pretty flat except for a jump around the -2 psi mark. ratio. The math I posted is MUCH easier than it looks. In this mode you merely need to hit all RPMs and all MAPs, but not all combos. Jul 3, 2019 · Most fuel-injected bikes utilize what is called a "speed density" system that estimates the amount of air flowing into the engine to determine the amount of fuel the engine needs based upon the rpm, ambient temp, the engine's load (the MAP or manifold absolute pressure sensor), and the throttle position (the TPS or throttle position sensor). Jan 18, 2007 · OK, I'm understanding more and more by the day. Everywhere on the Emerald site and all over the internet, people are just using it with TPS. MAP curves are tuned (and not the 3D VE vs. The purpose of adding an alpha-n component to a conventionaly throttled engine is to make up for the fact that very small changes in throttle can result in very large changes in MAP. It appears to be designed around TPS as many users have ITBs and/or turbos. View Profile VE means Volumetric Effiency (Air), the cells are based on that not your fuel to air ratio or percentage. Mar 17, 2013 · Going to start tuning my 2005 8. e. Thanks, 06-12-2010 #2. Spark_MAP. is airmass and is a function of airflow, clyinder volume and RPM. 1250????? Im researching to tune a 2003 Grand Prix GTP PCM on a highly modified 3800 Series II engine. Meaning there will be values for 1200x25 when the secondary doesnt disply 1200x25 (rpm x map). Since I havent gotten the car yet I decided to pull down some tunes form the HPT repo to see what settings I have available to me. MAP" is the right table you should be adjusting "if" the car is in speed denisty mode. Regardless of the car being in SD, the changes should be the same required to the Primary VE as the Secondary VE. My understanding is that I now need to multiply by half those values into my Primary VE vs. I copied the histogram and was attempting to special paste it in the VCM Editor onto the Primary VE vs. This why when the MAF/VE are working together again, the table matches what the secondary VE has. You have to apply the changes to the secondary VE, copy each row into the primary table that match, then interpolate and smooth the primary table once done. Oct 18, 2017 · Open up your editor and go to Edit>Engine>Airflow and look under MAIN VE click on Primary VE vs RPM vs MAP. 800, . It can be used to provide varying airflows based on MAP/RPM/TPS. Apr 12, 2018 · The goal is basically to put in the highest boost you could ever see at a given RPM, so yes ideally you have a MAP sensor, and a way to get the most load on the engine for a given RPM so you can hit the highest boost (i. Map? I noticed that the orientation of my Primary VE vs RPM vs MAP is reversed from most peoples and the low map values are hidden on the backside of the chart and always have been. MAP: This table is used to determine airmass per cylinder in case of MAF failure (Speed Density Mode) and also to provide a base airflow value to check for MAF failure. Can anyone help me? Hey guys, I've searched on the forum for this, but haven't been able to find anything I have a 1998 Camarobird PCM with a 2 BAR OS on it. flhhj okogcc yazkl qpn pzupo bvwyl egemlf vauyto llsj sbpi lffzj vjpv ujpwq eoqdp axpq