How to download gen iiiiv config files for hp tuners 3. You can hit the throttle hard enough to pump fuel into the engine and launch with tires. Now enhancing these to new heights with a new feature rich vcm editor and vcm scanner, coupled together with the latest generation mpvi2, this is only tuning and diagnostic solution youll ever need for your modern obdii vehicle. I was afraid to just download it straight on to my laptop because of the vary reason that. More importantly for tuners, the wideband sensor tells how lean or rich the mixture is, while the narrowband sensor merely indicates a rich or lean condition. The afr curve should be rich up to max torque then lean out slightly up to.
Idle tuning after cam swap with hp tuners duration. Yes, with msd 6al, using mopar performance distributor, mallory style guts. Injector data sticky page 3 ls1tech camaro and firebird. Tuning high flowing injectors for low pulse width operation. Just started computer tuning for the first time ever with hp tuners march 19th, 2014, 12. Whereas with the 1,650 ccmin being a smaller unit, they can be ran in closed loop and with the pulse width adder table set up properly they even behave similar to injectors half their. Compressing the inlet air into the engine naturally increases the air temperature but unfortunately heat is the enemy of power because it is less dense. Jun 08, 2016 more importantly for tuners, the wideband sensor tells how lean or rich the mixture is, while the narrowband sensor merely indicates a rich or lean condition. How to tune your mustang using hp tuners modular fords. Initial startup after hc install runs rich hp tuners. Rich after reflash solution gm reflashing hp tuners youtube. I dont think id call that a rich idle, just not stoichiometric. When in the idle low pulse width area, it would take about 2,000 shots from.
If you find your gm vehicle goes excessively rich after being reflashed, weve got some good news now there a fix. I dont have any issues with it stalling in gear with the stall anymore but it still likes to stall after a hard rev. How to tune your ve table on ls engines with factory ecu with hptuners. If using a maf sensor, only tune the idle and part throttle areas of the ve table. I have tried more idle minimum airflow, timing, adders, multipliers, ect but cant get the right combination. Pn park neutral have the desired rpm settings in relative to the engine coolant temperature. Idle tuningreally only need to do this if you have installed a cam. This is why inter cooling is common place on almost every forced induction engine but not all intercoolers.
Link to buy hp tuners join our patreon to help support new videos. Just started computer tuning for the first time ever with hp. Set idle adaptive spark control overspeed and underspeed tables and adaptive idle proportional and integral tables to stock. The method i show can be modified even further to make it sound more radical. Go to all your spark tables and set the park and drive idle values to about 22 degrees. File open open an hpt or bin file close close the current hpt or bin file save saves over current file saveas will prompt you to save the file under a new name. If idle is still unstable, raise the target idle speed to the lowest possible point where idle stability exists and repeat steps 14. Hi guys, i am struggling with the idle on a 2010 camaro with an ls7, large 240250 cam, msd intake, headers, exhaust. Fitech efi tuning forum electronic fuel injection tuning. If the idle becomes unstable, try raising the idle timing advance if necessary. I think i may try the 1997 tune first as it appears to have the most in common with the tune i am using now.
But the issue im having now i have been fighting for a few days. Rich after reflash solution gm reflashing hp tuners. Special thanks goes out to ws7 on idle limiters go to edit engine idle idle rpm target idle speed vs ect idle speed. I posted a rfi at on the questions i have about whether or not this product serial port device and the vcm suite hardware and software serial number have to be reregistered and transferred over to my new account as mrrsm over at the hp. I want to make a data base available for people to read about regarding what everything means in hp tuners while you are tuning.
I know i had, and still have lots of trouble going through my tunes and getting the car to do exactly what i want it to do. Reprogram the factory computer, manually edit hundreds of performance parameters, and build custom tunes for. I have posted them here, on my site, and i will add more as they become available for you to use for free. Top end performance important technical articlejetting. In a follow up article i will explain in detail how to use the vcm scanner to datalog and make changes to the tune based on the logs. This article is literally copied and pasted from krambos silverado ss page. It should be noted that in order to download the accesstuner software, cobb. Take a look at our zr1 ecm exchange page to see what steps you need to take to get the most out of your vette. This article will give you a quick overview on how to set it up and what you can do with it. Let hp tuners unleash the full potential of your vehicle. Yep thats a pretty good site it seems like a lot of folks have had problems getting consistent answers from fitech to get things running right so any info is good, but ultimately a troubleshooting list on fitechs site would be a smart thing, i have had numerous problems with mine and am still cannot get it to stay running, i think they may be bit to fussy of a system to.
Sometimes with basic out of the box carbs they will get even more rich once you turn the idle up enough to uncover the transfer slots,but the hp carbs are pretty well sorted out in that regard. Psa if you install larger injectors, in addition to the injector data. How to tune supercharged and turbocharged ls engines ls. Idle tuning the following is a collection of idle tuning notes, tips n tricks. Ls users ask and find your solutions for the ls systems 79 topics 453 posts. You will be prompted to enter in an application key. In open loop my wideband was full rich, now im around 11. Did the iac step adjustment as well with the idle adjustment screw. Your wide band shows you are also super rich at idle. The different parameters, how to make changes, what effects happen when making changes, and how to make custom pids and log sensors through the scanner.
On the dcoe and ida series carbs they have 2 numbers on them like 50f8. Clamped on some extra pipe and viola, all systems go. Hp tuners starlite diesel custom tuning cummins, duramax. In my experience, setting the offset too low for the injector will cause overly lean running at idle and partthrottle, and overly rich running at wot. Idle tuning the following is a collection of idle tuning notes, tips n tricks and how2s for idle tuning a big cam or any cam for that matter that i used when dialing in my 248254. Apr 12, 2020 russk idle config files april 12, 2020 march 21, 2020 by randy engler here are the files that go along with my youtube video about using the russk idle config to get your base running airflow dialed in after a cam swap. Gen iii speed density ve table and maf tuning instructions. The engine revs up and then decelerates toward idle smoothly and steadily and returns to the target idle without overshooting or undershooting the target idle.
Tuning high flowing injectors for low pulse width operation with. File open open an hpt or bin file close close the current hpt or bin file save saves over current file saveas. Hp tuners mission statement the mission is to provide the most complete, cost effective tuning and data acquisition solutions for enthusiasts and professional shops. Ok, i will post a tune but looking for the right direction to fix the stumblestall the motor has after a hard rev in neutral. If you performed steps properly and your engine is able to idle smoothly, goose the throttle while at idle and note what your engine does. I take absolutely zero credit for the length of material youre about to read, however i have made a few comments intext that you can see which i will highlight in green. Increasing the advance will usually increase mpg, and can actually decrease engine temperature too. Just started computer tuning for the first time ever with. I fixed my cold startup issue in hp tuners, as well as a few others on here with the 0304 pcmmaybe you should double check everything again, or may i suggest you take your car to a real tuner to do it for you.
Years of success and experience in the automotive tuning industry gives us the competitive advantage to stay ahead of the market, innovate and adapt to tomorrows technologies today. Thanks, just trying to share the sources where i draw my info from. Fitech efi tuning tips, info sharing, ideas, settings, etc. They were able to make a beta version of vcm suite that works for tracking cam movement on my application. Very simplythe bigger the number the richer the jet. If you choose to follow any of these how2s, please do so at your own risk. Over the years, fellow tuners have made files to help others setup tables in hp tuners and they can be difficult to find. Fuel trim values are amount its having to correct to make it not lean or not rich. Hp tuners is one of the most powerful tuning platforms available for gm vehicles. For mild cams, an idle ignition timing advance of approximately 1618 degrees will do. Basically, the fuel will be spraying too late compared to when the spark happens, as the pcm is expecting the injector to fire sooner than it really is. If you experienced the second result, you probably have too much base running airflow added airflow final minimum table.
Hp tuners, the home of vcm suite and the mpvi since 2003. Now switch to a scanner that lets you see iac counts and tps voltage. This prevents the pcm from predicting any minimum airflow which would prevent you from finding the real minimum. Today we look at an issue that plagues some of the gen iv platform cars, running rich down low around idle after a reflash. How to fix offidle stumble car craft magazine hot rod. Tuning your idle and coastdown can make a big difference in mpg and overall throttle response. So far adjusting the cam timing has yielded some good results, most noticeably from 3500 6500 rpms. Sep 01, 2004 several attempts result in the same disappointing off idle stumble andor an overly rich idle mixture. The factory programmed your latemodel vehicles stock computer for bare bones performance, but hp tuners unlocks the computer so you can tweak and tune for maximum performance. Idles nicely, wideband says idle is just a touch rich at 14. Hp tuners mpvi channel a driver download software found. Hp tuners mpvi channel a driver download software manual installation guide zip hp tuners mpvi channel a driver download software drivercategory list attaching the pc hardware and the ui is just what drivers were created for, and this imperative job is fundamental for your computers integrity. Exhaust note is more angry and it seems to pull harder.
Apr 28, 2012 hp tuners target idle tuning for mild to large camshafts hp tuners cam tuning how to. Now enhancing these to new heights with a new feature rich vcm editor and vcm scanner, coupled together with the latest generation mpvi2, this is only tuning and diagnostic solution youll. Not too sure if this will fix my cold start but my idle is much cleaner and i no longer have a tip in issue by changing the b4006 min injector pulse width from 3. Jun 28, 2019 hp tuners, the home of vcm suite and the mpvi since 2003. Jul 01, 2012 with the hp carb you should have a good enough idle circuit to idle clean at the higher speed. Stock tune shown in hp tuners has min fuel mg set at 0. As expected, the 2,150 ccmin injectors were far too large for our 2. Big cam runs rich or it doesnt right at allsuggestions. The first thing to change at idle is the spark timing.
I did download both the 2000 tune as well as the 1997 speed density tunes. I managed to get my idle pretty good but thats a lot of fine tuning the raf table for it, anything under straight below 0kpa is still rich regardless of what you do, mine comes good again around 1520kpa but the 15 to 0kpa range. For example, they really dont touch the throttle tables whereas guys like hemituna say to decrease them significantly. You should have received your application key via email after you placed your order or inside of the box with your interface. Download the latest version on there, i would not use the software. I have tried playing with the ve table and took it all the way down to 9 10 in the idle zone to which the truck would barely run and was still only showing 11. Gen iii speed density ve table and maf tuning instructions with a wideband o2 sensor create by 69lt1bird jeff anderson 4 connect your vehicle to hp tuners. Hp tuners target idle tuning for mild to large camshafts hp tuners cam tuning how to. I hope this article is helpful to anyone interested. Unfortunately for tuners of modified vehiclesespecially those with supercharged or turbocharged enginesthe narrowband sensor signals rich or lean, but cannot indicate the precise. With the hp carb you should have a good enough idle circuit to idle clean at the higher speed. Idle rpm target idle speed this is the idle speed that your car attempts to achieve when the following conditions are met.
Under idle, idle airflow, base running airflow, zero out the entire airflow final minimum table. I managed to get my idle pretty good but thats a lot of fine tuning the raf table for it, anything under straight below 0kpa is still rich regardless of what you do, mine comes good again around 1520kpa but the 15 to 0kpa range wont come good no matter what. For instance using their idle cfg for setting raf when i opened the cfg file it said it converted it but some things may not have. Hp tuners mpvi channel a driver download software found 16. You can find it in your start menuprograms hp tuners vcm editor. Depending on your injector size you could never potentially get it 100% right as some injectors just wont shut down long enough for it. First off thanks to all the people who have helped me along the way to learn how to tune my truck in. This will eliminate all torque management within the pcm. Help in raising idle using hp tuners corvetteforum chevrolet. This is especially important with modified engines, but can affect stock engines too. Finally, plug the hp tuners cable back up to the obdii port and flash in the custom tune. You can find it in your start menuprogramshp tunersvcm editor.
If you have the airfuel ratio set properly and your engine can idle somewhat decently, even if its by holding the throttle pedal down off closedthrottle to keep the engine from stalling, you can begin by setting a ballpark ignition advance value. I have tried adjusting the idle airflow up and down without much luck and further tried to tune the over under speed spark and proportional and integral settings. Hp tuners is the exclusive tuning option for the c7 zr1 corvette. The tuning school takes a slightly different approach to tuning, at least with forced induction, than some folks on hp tuners. Fire up the vcm scanner and datalog to ensure everything looks good. Several attempts result in the same disappointing offidle stumble andor an overly rich idle mixture. Hp tuners mpvi channel a driver download software manual installation guide zip hp tuners mpvi channel a driver download software drivercategory list attaching the pc hardware and the ui is just what drivers were created for, and this imperative job. The pictures within this howto are my contribution to aid in explaining. Running slightly rich and with lessthanideal ignition advance to start reduces the risk of detonation and helps keep exhaust gas temperatures safe. Go to flash read entire and copy your stock tune and save t a different folder than you work in so the file does not get overwritten.