If anyone with LS1 M6 cammed tuning experience could take a look and give me a tip or two so I can help him out with his idle for now that would be fabulous ! I have never had to deal with any idle tuning since I havent tuned any cammed cars and there are so many tables on this LS1 car compared to the 3800's I typically mess around with. 598, 112 lsa. May 19, 2020 · I've started back from scratch and always end up with the same result. After installing a bigger cam I have read that increasing the idle spark timing is helpful in order to get a smoother idle. It really gives it that true muscle feel and sound. cam spec is 275/295 . 3 to 4. 595/. 3 tune and add the LS3 injectors and such? 5. hpl 2019114LateDay3. 5. Go to all your spark tables and set the park and drive idle values to about 22 degrees. 5:1 compression. When you’ve got a standard engine, provided your mass airflow sensor calibration is correct, you should be set and the stock idle configuration shouldn't need any work. Quick Navigation GM V8 Tuning - Engine, Gas (Gen 4) Top. 585 . 3L test engine. 146K views 5 years ago. Just looking at the tune the idle timing is set really high, like 26-28 degrees. Jan 6, 2007 · LS ROB. He hired my services to tune the engine and so far we've got VE and spark tables fairly dialed in. - Idle speed, idle spark, idle airflow adjusted to address the "cruise feeling" at a stop problem. I have attempted to tune the MAF and the VE table after the cam swap. I did all my spark tuning on the PE spark advance table, so it's only active once the car's in PE. May 19, 2011 · Chronicles of idle tuning LS1/big cam Hey folks, I'm creating this thread so I have somewhere to go in a few days when I start trying to tame the idle on a friend's LS1/t56 in his Mazda RX7. Start and test. May 13, 2009 · Idle isn't horrible, but it does have just a bit more lope and hunt that I'd like. 08-. Need to be able to idle at stop lights. its Oct 18, 2018 · Jeff Smith reveals 7 tips for tuning carburetors that will give your ride better street manners. 0, 6. facebook. Hopefully when its adjusted to that voltage, the blade is closed enough to allow the IAC to control the idle speed and idle airflow. I can drive it normal and run it up on the stall after 1st gear it goes into 2nd, when it goes into 3rd and get it under load it has tons of power to 3000 rpm, it stumbles around 3000rpm and then all of a sudden it seems like it richens up instantly Apr 6, 2007 · A Basic Idle Tuning Strategy Set idle speed to desired RPM. I will be installing a TREX cam in my 2001 ls1 and i currently have a SD tune in the car but with boltons only. I am planning on doing the following: Increase idle speed across the board to 950 Increase idle percent max to around 3-4% to allow for the increased airflow Retard timing by 5 degrees across the board to Mar 17, 2015 · The car will idle when cold, but when I try to start it again once warm it will not idle. 550, intake, catless LTs. 3 and am mostly a beginner. 5FDP. Car won't idle now after warming up. 500" I did the russ k idle airflow config, and the truck seems to idle good however, it doesn't want to start without me giving it throttle. Apr 25, 2012 · I love it and it put down 429 rwhp. ive done all the tuning it runs great and pulls like a dream. Timing swings from 4-16 degrees. This is my first time tuning. 571 112+2 2010 Camaro SS Exhaust Manifolds 2006 LS2 Injectors Dec 28, 2005 · At idle, my car smells so rich it brings tears to your eyes, and not in a good way. Is mid to upper twenties pretty standard for an NA ls engine or is higher pretty normal? What do you tend to see for maximum timing for maximum power output? May 8, 2024 · HERE WE GO ! 5. hpl (1. hpl 2002 Camaro Tune - Dying In Reverse. I pulled a spark plug out and it is running extremely rich. its been bored . When shifting into neutral and stopping, the idle will drop to 400 and swing back up to the commanded 850 and then drop back down before it finally settles. 3 with a 226/230 113lsa, stock 80e converter for now. The car idles ok and seems to run decent. Messed with my stocking gto but is was gen 3 and I had a wideband. Goat Rope Garage. 4 to . 615"/. Next, move your over and under speed timing tables over 2 columns. That is why you have to crack the throttle. Looking for a few answers: 1. It's kinda camshaft dependent though. Fueling is on point for cruising and wot. I use the O2s and MAP pressure. Compared to the slightly more aggressive Stage 4 LS grind (SUM-8709), which offered . 48 g/cyl. 0 at 10. The ls3/525 cam is 226/236 with 110 lsa. Several things you can try, raise your target idle AFR to 14. On the GTO boards many FI guys are running it and they are taking it around 16. hpl. . Hello everyone, I'm looking for some advice on how to resolve the idle hunting that I'm experiencing on my cammed M6 ls1 C5 vette. 7, 6. This is my tune after researching everything i could find. 600 115) in my 2000 Camaro SS and I've been re-tuning my ve table to get everything back in check. Try more timing in your base idle tables (22 to 24 degrees) from 600 to 1200 rpm up to . 6 volts. The TB should be set up so that at idle the throttle position sensor voltage is around . 56 gearing. Strange that i can modify his tune (hp tuners ) in evry other category in my handheld predator including the drive idle rpm. 622", 112 LSA using HP Tuners. Lean cruise I have seen work really well even in FI guys. the throttle blade motor can't respond fast enough and results in an idle speed chase. Necessary Tweaks. 900-950 is good for cars with aftermarket cams. SD mode. 0. With tuning software you can even retard timing just during cranking for a big cam allowing easier starting. Running E10 or E85 on a stock motor, I shoot for about lambda . I'm trying to do the base idle airflow tuning on my car and it is telling me to add a couple g/sec to most temperature spots on my base idle airflow table. Engine>Idle>Torque>Limit Offset - bump up around 20% to give bigger window to get it running Support Those Who Support The GarageFor more tuning content check out our partner Elite Tuned School:http://www. Most people start tuning the VE or MAF first, but I tune idle first if doing it with a street tune. Site Areas; Mar 13, 2024 · I have a cammed ls1 with idle surge when coming to a stop after engine is at operating temp. Adding a bunch of spark advance is just a crutch to burn the fuel earlier. 06300CSRT8 has a very good write up on the basics of tuning with PID based PCMS, it helped me out a lot and explains Proportional Integral and Derivative adjustments. I run through some ba Apr 17, 2011 · I have experimented with a lot of idle tuning on my 224/230° cam'd LS1, and have found combinations that smelled pig rich and ones that smell clean. 5:1 to 15. Jan 10, 2011 · and idle at 30 degrees when i reprogram my pcm it takes a while for the idle to return to 800 rpm i noticed the iac position is too low and mass air flow dives to 5 or so grams per second now i figure i need to adjust the IAC, would i adjust the IAC park position table? also i have a 58mm TB, do people lower the %tps for WOT when using a bigger TB Aug 12, 2022 · Added some startup airflow. I have tried smoothing out torque in idle regions. 08-0. I'm getting my cam installed in about a week and I want to know who can tune a cammed 05 GTO properly. 00 (14. 36 out to 8,192. hpt (223. Meant for use as a general guide, for educational purposes. 030 over, flattop pistons, bigger cam and 243 heads. basically the starting and how to tune it. i have a 228/230 cam and my running airflow is way less than stock. Hey, very new with HP tuners, just got access to it and trying to fix issues with my car, had it tuned awhile ago when the cam was installed and now trying to clean up the tune myself. From there you can tune the spark table in the WOT range by adjust the aprk 1 to degrees up or down at a time. This does create other hurdles around the idle area, but it may help your stench of fuel during idle. Apr 24, 2021 · Set the AFR first and get it to idle close using the preset fuel base map and learning features if needed. I made note of what my load was at idle. Idle Desired Air Flow (B4307): this value will vary depending on cam profile, engine displacement, and torque converter stall speed. 1 degree at a time to where ever your timing is set now or the up arrow next to it Truck has a 4. make sure they blend nicely with other spark values around it. ls2 log idle closed loop. When I come to a stop with the gear shifter in neutral the rpms will sometimes drop to 400 then raise to commanded 850 and back down again before it settles . the car idles at 900rpm at around 51-52kpa pretty good, so i wanted to lower that a tad to get a little bit more lope. 36 Idle Spark Adder= In Gear, P/N values were tweaked based on idle speed and quality (subjective), with no values above 8deg adv. I have tried stock torque tables. It idles fine, and it also drives great already, It does not stall on deceleration or hard Please like and subscribe!!Part 1 of 2 on how to properly set up your tune file. Feb 6, 2014 · Tuning a Carbureted LS. Like Baaa stated earlier as well the second issue is the idle. Our goal was to put together an May 5, 2017 · I have ran the russ k idle config, i have messed with throttle cracker and follower. 537 truck has a 2400 stall tq converter and headers with full exhaust. I have tried to read all of the suggested info on beginning tuning. I would do all of that on the street hitting as much as I can in the upper Hey guys, just starting to do some idle tuning on my car and I am very new to hp tuners. hpl Maybe I should start from scratch with a 5. Torqhead 24x, TFS Been talking with LSXpwrdZ about this. the thing i cant figure out This is my first ever tune and I wanted some input from veteran tuners on if the following steps look correct. It runs and idles good, but has a terrible surging when cruising at light load around 1200-1600 rpm. Someone changed your airflow in your tuning and it's too much. click the up arrow on to add . 02 intake/1. ive tried to do some research and i cant find what im looking for i might have looked hard enough lol but any way ive got a 2007 gmc 2500 hd with a 6. VS Racing Next Gen Billet 78/75 on ~6lbs. My issue is my afr at idle. 0 LS2 6spd Manual H/C/I with surging idle at cold start. issues are idle surging/dropping low at stop, if ac on will stall out at stops, when coasting to stop if in neutral and not pressed rpm will rise until I come to Jul 23, 2021 · I had tune dialed, but recently swapped the 6 speed to a manual valvebody 4l80e with a custom 4000 stall converter from Jake's Performance. 40 the timing is set to 13 degrees. hpt 2019114LateDay2. Hello All, I'm looking for some advice on how to solve my idle hunting issues in my cammed LS1 C5 vette. The tuning would be the first thing that comes to mind but I had the A-F dyno tuned to around 13-14 to 1at WOT, and the mileage around town, although not great, isn't so bad that it seems like anything is neccessarily "wrong. 0 lift is . Listof Mods. I would sincerely appreciate any input from those more experienced. Set idle speed to desired RPM. 2. 625/. 600/. Idk about you, but this pisses me off and is extremely annoying. A couple things I noticed. Blend in the timing on the high and low octane tables, so there are no large timing changes between cells. I've researched the forums for common GenV idle tuning principles, and I got it to at least idle with zero pedal, but it's still idling too low (currently 650 vs my target of 850) and stalling easily when "returning to idle" during a clutch in. Take some timing out of your over and under adaptive idle spark control tables. more. 590 114+4LSA-Patriot Golds and Comp pushrods-LS1 intake with "2004 GTO" injectors-Aeromotive fuel rail-C5 Corvette return regulator/filter-Bosch 044 fuel pump Jun 12, 2011 · I recently put in a new cam(219/224 . Aug 31, 2019 · Support Those Who Support The GarageFor more tuning content check out our partner Elite Tuned School:http://www. And yes, it has flex fuel injectors. Finally add some time in the adaptive idle control delay. MAF failed. B4504- Airflow learning Control Delay: Change per Idle Tutorial from 1. I was doing some fine tuning of Desired Airflow and VE on my cammed 2002 LS1 yesterday. Hey guys, I installed a cam over the weekend (232/234, 110 LSA) and im having dramas getting it to start and hold idle. Right now it's sitting around 13. Apr 21, 2007 · at idle i set my timing by bringing up the VCM Scanner in HPT and using the VCM controls (to the right of the little motor icon on the top). For anyone that has installed a bigger cam in there LS (Gen 4) engine and running the E38 ECM: I read the following and was wondering which table in the tune could be modified to 'desensitize' the misfires which can come from a bigger cam install: "Normally when you tune a car for an aftermarket cam, you will re-calibrate the misfire table in the tune which will keep the PCM from interpreting A cammed 6. If you retarded old school initial timing for a smooter idle you lost any advance timing you wanted above that. update: 700-750 recommended idle for this cam. Here is my current tune. I'm NOT looking for a handout, but maybe you can find something obvious that I'm missing? 2007 Silverado 5. Speed Density Tuning. Too much pull on those stock Sep 24, 2020 · Idle speed (B4603): Desired idle speed should be based on cam specifications. 42gears only tuning ECM (TCM still locked and stock converter) Cam: 210/223, . 224/230 112+3 . I have even tried reducing my idle airflow. 7 HEMI WITH TEXAS SPEED STAGE 2 CAM TUNING NAD IDLE FIX BASICS, SO, YOUR HEMI WONT IDLE AFTER YOU JUST INSTALLED A BIG FAT CAM , STEP INSIDE W Jun 10, 2016 · Cammed autos sometimes may have an issue going 2-1 coming to a stop. Put it back to stock and work your idle airflow based on the LS2 tuning guide. Your VE table also needs to be lowered in the lower RPM's. Eliminates additional Airflow Source while tuning Idle. I tried to adjust the idle rpm in park with my predator and after installing the new idle tune it wont change. Accelerator Pump TweaksBig cammed engines operate with lower vacuum levels and generally run Apr 23, 2012 · On my stock motor (LS1) MBT was about 25* on E10, assuming IATs weren't too high. seemed like it was overcompensating. The stock cam is 204/211 with 117 lsa. In gear was the problem. 3BaseTune_Idle_Airflowls3 injectorspreadsheet. I have tried subtracting torque down in idle regions. Their tuners along with contacting LS2 edit have not been able to solve this problem. My car is an 02 Corvette Base coupe LS1 with a Cam and longtube headers. 7 AFR at idle. 5. Cut your Raf table by 2 g/sec in the idle airflow table until it will idle. 3s. 790 (Min Inj PW) and it hits 16:1 frequently and maybe hit 17:1 a couple times. Although once re enabling the various pid settings I just cant seem to get this thing to idle consistently. I also notice that the AFR drops down to low 12's as well. May 1, 2013 · Your startup airflow is twice stock. The idle is pretty jumpy from 1. LT headers, catless x-pipe through mufflers. 4. Post a tune 1997 30th SS. Your computer adds fuel based on how much airflow it thinks it has and you are having to open the throttle to get some air in. 608/. Oct 22, 2007 · It is pretty big but still 113 lsa. I'd like to avoid drilling a hole in the new one. That was on a 65° day. I run through some ba Jul 15, 2021 · I am tuning my first lm7 timing and am used to SBC timing. Can someone please elaborate in detail what it will take to make the idle note more aggressive. Once that is dialed in, keep it in open loop, put the MAF back on line and tune the MAF table. I got it to where it'll idle in park and neutral however I feel like it should be more choppier, and when I put it in drive it adds about 10 degrees of timing and doesn't idle right, Ill include some logs and the tune I have on it right now. Aug 22, 2014 · The factory settings are very aggressive, I reduced the amount of correction when RPM above targer idle speed by about 50% and cut correction below idle speed 20%. If torque management is engaging on the closed throttle downshift, what happens is your idle will drop way too fast, and then overcompensate back the other direction. May 1, 2019 · 1999 6. it should be controlled via adaptive spark. B4512, B4514, B4515- Learning Parameters: Per Idle Tutorial. Now switch to a scanner that lets you see IAC counts and TPS voltage. This included warming up the ,0,400,800,1000,1200 timing a bit in {5932} and {5933}, and also tweaking cracker/follower decay rates, idle flare, overspeed and underspeed modifiers, and learning parameters a bit. Mind you the car ran perfect before with the LS1 and I have changed nothing in the transmission and as far as I know its got a stock Mar 2, 2019 · Cleaning up a previously tuned, unknown cammed 5. 42 rear gears. 6. Cranking Spark= from 32F-212F, 13 deg adv down to 9 deg adv. hpt Sep 28, 2011 · C5 Tech - Idle relearn on a cammed car, new throttle body - Had to replace my throttle body. I've left it in maf only, lowered idle some, and left it a little lean at idle and it would keep a decent lope all day in park but as soon as I put it in drive or turned the A/C on it smooths back out. My facebook pagehttps://www. If it gets to where you can't close the throttle body anymore then your problem is either 1. Oct 24, 2023 · I feel like I've went through at least 6 different idle tuning procedures, but I can't get this one to idle right. I am looking at the 2011 Corvette LS3 stock idle timing table (Idle Base Spark Advance). Would really appreciate if anyone wants to look it over and throw out some pointers. Im tuning a friends car to idle and drive good. 2, 7. This is a general overview of all tables and idle tuning process. Tuner's idle was set around 850 in P/N which runs great and has good cam lope sound. The boost-ready 5. 585/. 60 exhaust 5- Mezrie electric water pump 6-Slp blackwing CAI 7-LG long tube headers offroad catless I set up the initial tune by incorporating many tips I found in the "LS1 Idle Tips and Tricks" tutorial. 7 is not going to be a big deal, in fact slightly leaner will probably make it run/idle better. May 10, 2012 · 2000 Camaro Z28, LS1 M6, Custom Tq Cam, FAST 102/NW102, 42# LS1 injectors, 243 heads. 1-236/244 112+3 cam 2-BTR double valve springs 670 lift 3-LS2 throttle body/Fast 102 intake manifold 4-Bigger valves 2. With that said you need to watch knock retard if your care about longevity of your internals. 575 Lift, 3-bolt, 5. 550/. I was expecting the converter to not affect idle much due to its relatively high stall speed, but it is surprisingly nice and tight down low. Then Advance timing at idle from 16-18* upwards to find the highest MAP while getting the lowest idle. 540"/. spark advance can be changed much Mar 9, 2023 · What is the cam? I have a fairly large cam in my LT1 231/246, . 050 219/233 with a 109. I got my 42's dialed down to . 0L LQ4 block 243 heads Upgraded rods with LY6 pistons BTR LS3 stage 1. This is where we will spend some time. base The attached tune file has only been altered to raise base idle RPM and Idle airflow to get it to start and idle with no pedal. Now, I may be new to HP Tuners, but I'm quite experienced with tuning on the other side of the car world. Any ideas ? I would start off with a base tune with a bunch of changes done just based on experience (idle air, timing, VE). Just got a cam swap and tune. i am looking for great information about how i am going to tune the car for this cam. xml Car Dying in Reverse. 85 ("AFR" 12. It first read 12. It seems that no matter what changes I make to any of the idle airflow tables or throttle tables I cannot get this vehicle to idle with the A/C on and it wants to die coming to a stop. 605-lift split, a 237/246-degree duration split and 113-degree LSA, the Stage 4 LS3 cam (SUM-8711) offered slightly more (. 5, the aussies factory do 17. The stock tune is around 13* to 15* timing at idle. Dec 29, 2021 · Idle Coastdown= Copied main spark table and deducted 2 deg adv. After getting fueling right, idle speed (750 idle rpm), and timing (20 degrees at idle); I zeroed out my base running airflow table and logged the dynamic airflow for each idle rpm in park and in gear. Sep 22, 2019 · Checked it and the fuel pressure stays good while running. " Hello there, I hope there is someone can help me with my idle. Im certain Jun 7, 2019 · In this episode I go over the "RussK Idle Config" method of getting your base running idle airflow dialed in with HP Tuners VCM Scanner version 4. Attached Files. My current timing on the 5. What would a reasonable idle timing Cam Idle Tuning Basics, Getting The Idle Setup So We Can Tune The Rest. This is important for LS guys looking to mill their heads. 554 . Jan 27, 2022 · excessive fuel trims at idle - goes back to both the above. I want it at 850 to 900. Plug tps back in. 2. Try copying my "Base Running Airflow" table under "Idle" then "Airflow. A Basic Idle Tuning Strategy. Get 50 I have recently dropped in a 2005 Chevrolet Silverado L33 all aluminum 5. " You can also try copying my low MAF table but you will need to fine tune that on your own. 7) to 16. 3 with a 228/230 . No, I had it failed while initially tuning the VE. I have a good feel for how to tune the idle well (been reading lots of tutorials and howtos), but one thing that is not touched on specifically is target idle timing. andres99C5FRC-cammed and 853heads-dsmtuned-7-24-2019 RevD2 (more timing on tip in areas and low . 16 MB, 36 views) Installed a thumper cam in a bone stock lq4 with cable throttle thats in a silverado. View Profile The car fired right up and would idle in park so long as I used the real time controls to hold the idle at 1000. 3 is set at 28. Jan 30, 2022 · 2017 Silverado E92A L86 8L90 3. 4. Oct 6, 2011 · The following is a collection of idle tuning notes, tips ‘n tricks and How-2’s for idle tuning a big cam (or any cam for that matter) that I used when dialing in my 248/254, . Car was tuned few weeks ago. 6:1compression will likely take more timing than that same engine at 11. 635, 114 LSA 111 ICl. May 26, 2015 · There were some startup issues I was having and AC issues as well. i tried lowering the idle to 850rpm, and the idle kpa would go to 53-54, then i lowered the idle to 800rpm, and the kpa would go to 55-56. 0, Vortec Truck, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9 LS9, Each This motor is in my crawler with a th400 and np205 behind it with 4. My first big cam LT1 tuning experience too, so big learning curve. May 15, 2015 · Tuning with the narrowbands would only work for cruising at idle. Results 1 to 6 of 6 Thread: First LS2 cammed tune. Someone drilled a hole in your throttle body and it's too big 2. Have tried changing the minimum idle airflow tables and the idle spark base tables all over but with no luck. I have also tired disabling have a 5. 3 afr. This problem already exists with tons of 'popular grinds' even with the TB opened up, but if you leave it in the 100s count area at hot idle you will be running out Nov 2, 2007 · Put in idle timing in the idle timing table as well as in your high and low octane timing tables. co/vipy123🦵Kickstart your EFI Tuning knowledge. After some fine tuning I have been able to get my ~. 3 Vortec engine an RX-8, LS style aluminum typhoon intake, long tube headers, mated to a full billet 4L80E auto trans, problem is other than mild Cobb Tuning with Subaru's this is the first real tuning I'll be doing with HP Tuners, not gunna lie I'm a little lost in it all. Here is my setup:-Stock bore, stock compression LQ4 6. I then pasted 80% of the value into the table and smoothed it out down and up RPM. 226/230 Dur. I'm logging with the car in park and my idle is at 1000 when it should be around 800 rpm. 2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93 Jun 1, 2015 · Hello, new to this site and also new to the 5. I also Jun 6, 2013 · Was wondering if you guys had any insight on Idle Airflow tuning on a Gen IV LS vehicle equipped with Electronic Throttle. Also changed Lo maf tables up and down but still no luck. A cammed car with a stock OFLA table will try to idle at an afr of 9:1 or richer. Turned off misfire counter. Going down your pulling power away going up your giving more power. Channels. Idle tab > adaptive and predicted; add 10% - 20% to get more chop. I didn't intend on getting into tuning but I had no choice after my cam swap and how bad it was running on a factory tune. Aug 22, 2012 · the lsj has fixed position camshaft gears so no you cannot. I'm seeing the P0300 misfire code. Sep 17, 2010 · B4352-Cat Light-off Idle Offset Multiplier: Make Multiplier zero (0). - P0300 will happen with a cam. I have attch the tune and a log and config. It was nuts, showed -26 fuel trims still after probably 7 writes. I am being shown now how to tune this way now and my SS has NEVER EVER run this good. From some information i found it suggests for medium cams , try within the range of 18-22 degrees of advance for a steady idle. Its a 5. Jun 15, 2020 · Strictly Performance supplied our 5. I'm just curious, what's does your cammed ls1 idle good at after it was tuned? Let me also know what size cam you have and it's LSA. I have also messed with spark and the ve table. the IAC counts should be at least 40 at idle. Go to Engine>Idle>Airflow tables and add 4. Finally started coming down and swinging the opposite direction. BTR Truck Norris camshaft. 8 so I decreased the ve in my idle map but no matter how much I decreased the ve it stays rich. The biggest question I have is the warmup idle. - Main spark tables setup for LQ4 dished pistons. Will the idle relearn Feb 18, 2023 · with the E40, up-and-down surging at idle can happen if adaptive idle is used to try to control idle speed in a cammed engine, while adaptive idle spark correction is desensitized. 0L-Lunati 224/232 . How to tune idle after cam swap in a gen 3 ls engine. So along with the need advance came a rough idle. Then I was using the the LS1 Control panel bi-dir and forcing different timing advances at idle. Cam is 281 283, . 585 112 lsa cam and ive been progressively tuning drive ability, idle and startup. click on the "Spark & Fuel" tab and then the "Plus" button under the "Spark Control" column. It's a Thunder Racing 224/224 114 LSA. what are the major things i am going to look at and what are the things i am going to change. 540", 111(+6?) LSA, 14% fuel lobe (stock springs, push rods, rockers, 20deg limiter) Speed Engineering 1-7/8 long tubes with catless Y pipe (stock muffler) Hone on stock bore, new Speed pro stock replacement pistons and GM rings 194deg thermostat I have been dialing in the VVE, VT If you have much of a cam, and you don't adjust for 45-75-ish counts at hot idle (and in some conditions less), you won't have enough airflow at cold-start and cold idle conditions. No epoxy in the IAC entrance "Tune" File and some logs (sorry they are so short) Camaro5. 3 into an S10, the engine has a sloppy stage 3 cam and Edlebrock single plane manifold and a 750 vacuum secondary carb. I have a cammed 6. The only issue I am having now is getting a solid idle. Summit Racing SUM-8706: Stage 2 Pro LS Turbo Cam. I am also struggling right now after my cam swap. Special thanks goes out to WS7 on Ls1tuning. So then I set the car down and put it in gear and it stumbles and dies. Base Tune Changes made for cam Engine>Idle>RPM - added 200 to Base, Rolling, P/N, In Gear (may lower a little when tuning). Go to Engine>Idle>Airflow and increase the startup airflow by 35%. Does not allow the A/F ratio to go quite as lean which helps the idle and surging problem. com Idle Limiters --> Go to Edit --> Engine --> IDLE --> IDLE RPM --> Target Idle speed VS ECT Idle Speed: 950--Start at 950 to get car to idle, then lower 25 rpm at a time until you get idle you like that will keep car running. 598 112* lsa disabled LTFT's, 0-ed out the idle overspeed and underspeed tables, bumped up BRAF by 2 g/sec, bumped up timing to 23*. Jul 14, 2021 · If you have a lack of cylinder psi at idle, it adds to the problem. Is this leaner idle parts from the cam overlap? Today i just finished another Goat with dart 225 heads and a 232/236 111lsa cam. ls1 ms3 cam headers, nothing specail, 4k If you have just installed a larger camshaft in your 1999-2006 GM Truck or SUV and want to start it up, then this is the video for you. I'm new to the tuning process so please bare with me and be detailed. View Profile 2006 GTO 6. attached is a log and tune of where I am at now. 3, 5. also if you don't find an exhaust leak check your O2 sensor wiring to make sure it is good. It still needs a lot of work, but i need to get the drivability up before i can really tackle the rest of the tuning. I haven't found any vacuum leaks. my total timing on the SBC was 36ish. I have tried subtracting a LOT of torque from Apr 28, 2016 · Just rebuilt a LS1 with a Comp Torquer v2, 232/234 . Oct 24, 2007 · Here is my tune, which should be pretty similar to yours. Apr 6, 2020 · 🔥 Building a fast car? Get $400 OFF the all-inclusive VIP online course package deal: https://hpcdmy. Home - Holley Performance Products Forums May 3, 2019 · Hi guys im new to the forum. 3 carb club. Check out the VCM scanner section, there might be a write up in there about setting up some graphs to log with your wideband and correct the fueling. This guide was very helpful. As soon as I rev or give any throttle it goes to where it needs to be commanded. This is just basic, showing where the tables are, how to set them to make it run. Aug 27, 2008 · Ever heard an old school 350/350 small block idle smooth as a GTO does. 3 seconds. mine did the same on the fuel trims with a bad ground wire on the passenger side of the engine. Just getting into tuning with my 09 Silverado 5. sometimes it will fumble around and find idle but most of the time it just dies. elitetunedschool. Dec 30, 2007 · The last couple of days I have been messing around with the idle parameters on HP Tuners. comCheck out the latest tuni Jan 1, 2006 · I've spoken to a several guys with cammed 05 GTOs that are having idle issues with the AC turned on (very high idle 1600+ rpms). I use EFILive and am familiar with tuning on the previous model PCMs. Any sort of PE is going to be way off. Cammed engines misfire by default. Ported LS1 TB (I edited the IAC effective area to be the same as my 2000 TA). 3. But I tune idle without the wideband. I know I should have 15-20 different parameters that I can view from there, but the only one that shows up is " Base Setpoint ", and "Base" under that. turn screw counter clockwise. trying to tune the ve table so maf is disabled (also note it didnt make a difference re-enabling the maf)starts great, idles in park great, but when i put it in gear, it goes lean and drops timing to 8*, adds a "load" starts to idle rough wants to die (acts like a manual when you let out of the clutch with out pressing the gas The tune I'm using isn't perfect but compared to the factory tune it is much better. Rather than driving all the way back to get it retuned (3 hour drive one way), I bought HP Tuners and decided to mess around with tuning for the LS platform. Dec 29, 2004 · Tuning SD via the VE tables is the only way to go. Aug 25, 2011 · Am I able to adjust the idle up slightly to prevent it from stalling out right now? Should I drive it more to allow the PCM some more time to adjust (obviously as much as it can, I know the car will need tuning)? The excellent LS1 cam installation tutorial says you need to give it anywhere from 100 to 200 miles of city driving to adjust. Torque based tuning is a pain when you dont have the time anymore. But if i rev it in neutral or in gear, my idle is hanging around 1300-1500 rpm for a while then it falls to where its supposed be. Go to Engine>Idle>RPM tables and Add 200 rpm to the four idle rpm tables. I have a TR224/. 7 LS1 conversion (Manual) The tune base (ive tried a bunch of tweaks relating to spark,air and fuel also) is speed density (MAF fail at 0Hz), LTFT disabled, forced open loop. just use the live controls to figure out a nice steady idle, and note at what spark that was, set the idle spark tables to that value at the proper map/rpm. This week I show you how to use HP Tuners to find what timing your engine wants at idle, how to adjust your timing at idle, and how to adjust the base idle airflow to get your engine to idle well BTR stage 2 LS1/2 cam Throttle cracker gives airflow to keep the rpms from dropping to quickly and overhsooting idle. I unplugged the 02s and tried again this evening. Sep 1, 2016 · Cammed LS3 startup issues. Sep 7, 2017 · First LS2 cammed tune. Dec 26, 2019 · Summit offers two different Stage 4 LS cams. 3 that would barely start and run. Then, the first step is put it in OLSD and tune the VE table. heres my current tune you can scavenge it for what you need. 13 Camaro btr red hot cam , centri blower e85. 0:1 and try it. Support Those Who Support The GarageFor more If you have just installed a larger camshaft in your 2007-2013 GM Truck or SUV and want to start it up, then this is the video for you. 5). - Setup to begin tuning the VE table. I have read through a lot of post and forums from various sites and some say to throw a bunch of timing, some say less is more. an engine with 10psi boost will take more timing than the same engine with 20psi boost. Overall Id really appreciate any pointers, feedback, and help I can get. hpl Died Going into Drive. I would love to be able to at least drop it to 850rpm! Tuning a big cam (GPI Stage 3 226/246 . Truck drives decent and cranks up without issue. Deka 80lb injectors. I reduced the idle adaptive spark control underspeed and overspeed tables by 10% and this seems to stop the idle surge a lot. Now I have deleted DoD/installed 228/230 585/58/ 112 cam. 09-08-2017 #4. I have a pretty stable idle, startup has a slight flare but not horrible and in drive it seems to have a lot of overspeed correction. Read up on MAF tuning the VE tuning as well as idle tuning like said above. Apr 20, 2019 · Thank You I used this as a base tune to get my idle tables for a comp cam 54-459-11 on a 07 LS2 C6 Quick Navigation GM V8 Tuning - Engine, Gas (Gen 4) Top Site Areas Apr 7, 2005 · Adjust idle set screw to close the throttle body more. heres what he said now i took that and used the Adaptive Idle Airflow numbers in the integral high/low tables (half a gram) and 1 gram across the board for the base rolling idle airflow as a start. No matter what I do this stupid truck sits there and surges up and down at idle. If you are tuning a factory LS engine using the technique of reflashing, idle speed tuning may not be something you need to give too much consideration to. WBO2 sensor placement can also play a significant role in how the ECU reacts. It is in the 20 afr range on my wideband from ambient temp to 200, then it goes to whatever the tune suggests. May 7, 2008 · LS2's are quite different about idle control. , 113+4, . At this time, the motor will idle for a short amount of time and needs throttle to start. Rpm?s come down slowly to idle then drops below idle set speed to around 500 then jumps to 1300 up and down. from . all the other supporting mods like CAI, Headers etc. I'm working on dialing back the min injector pulsewidth to get the idle airflow and AFR where it should be. Thread Tools. An engine with an inlet temp of 30C will take more timing than with an inlet temp f 75C. I want to mention, that the last time I ran the tune process on this truck, I had the idle at 700 rpm, and thorough out the full tune it was running very lean at idle. 3L featured a stock block and crank combined with hard-anodized (cast), flat-top pistons and gen-four rods. comCheck out the latest tuni Mar 13, 2019 · Hey all! I got an ls1 04 A4 GTO. 0 truck with 35 inch tires 4:88 gears rpm level 6 4l60e and a 3200 stall. They can bump cold idle speed only to help combat this. 635/. 639/. Idle Base Spark= Matched values from Main spark table from . Its idling now at 1100 rpms. 3, stock with gapped rings for boost. 61X lift cam to idle at 600 rpm at a idle spark of 21* The whole car shakes at 600 rpm and drives fairly nicely without stalling. 015) piston-to-valve clearance. The E67 is definitely different compared to the others. they usually dont need much timing, at least comparatively to LS1's. com/TunedByBrandonHollaway/Join my Patri Dec 3, 2005 · This will make the car try to maintain a stioch A/F ratio and in turn make the car idle much better. 113K subscribers. I'm curious to get input on peoples theories on LS timing with a cam. I have installed a 5. I opened VCM Editor, open the saved stock tune file from my truck, selected "Engine", and then selected "Idle". 0 gms/sec to the Airflow Final Min table 4. Sometimes it will idle quite nicely once stabilized but far to often the idle becomes erratic. I have used one of the guides on here for idle tuning and with all the adaptive tables shut off I was able to find a good base running airflow. 9 KB, 96 views) ; RevD2 cruise to work near perfect driveablity and perfect tip ins quick 7-25-2019. 3 auto with a small cam. As I said, I have jumped into this head first and intend to continue to learn as much as possible about EFI tuning along the way. The tuner that installed the cam drilled the throttle plate on the old one. When it settles down it will hover around Jun 1, 2010 · ANYWAY, I am having some problems with getting my setup to idle / respond to throttle input. I have a good start with the idle tune working with the airflow table. - 221/228 . 1. 8 with a 212/218 112 lsa . I have ran the engine in forced open loop and forced close loop and while both are reading lean on my AEM Wideband, the engine sounds better and reads less lean when in closed loop. R/D was at 875 which made fighting the car coming to a stop. I tried to drive the car around the neighborhood and it had absolutely no throttle response, would bog down, and not accelerate at all. I have a gen 4 5. Aug 13, 2005 · IDLE TUNING--Really only need to do this if you have installed a cam. Most performance-oriented street cams are “happy” with an idle speed of 800-850 RPM. if you move the timing to bandaid this you risk damage Oct 23, 2016 · Thanks for the reply. Go to Engine Diag>Airflow tab and change Min ECT for P0101 to 256, and change Airflow Correlation RPM from Jul 4, 2007 · A slightly lean idle from 14. Nov 28, 2008 · IDLE TUNING The following is a collection of idle tuning notes, tips ‘n tricks and How-2’s for idle tuning a big cam (or any cam for that matter) that I used when dialing in my 248/254, . I noticed that when my timing dropped, load went up. Dec 18, 2017 · You will be better off tuning it on your own with your own corrections that you get from the scanner. Start with + or - 6 degrees and work up until the results improve. Mine was set to 950rpm by my tuner, and my cam is a 227/231 111+2 lsa with TPiS 90 intake, 66cc AFR 205's, LT headers, an stock 3. HOT ROD Staff Writer Feb 06, Such was the case for the mildly-cammed LQ9 we dropped in our 1966 Chevelle project car. Both times the wide band O2 was showing ~ 14. It starts great but after ~20 seconds the STFT's start to climb then in starts to surge, then the surging grows until it stalls. 561/112 cam now with FLP LTH and have it idling at only 800 RPMS with no surge or stalling. From the 0-1,000 RPM range and at the low Airmass range of 0. It died at every stop and would not idle. 595 . Stock is like 1. 639/112 +2 ICL) LT1 C7. owcs bfpsy ouuj lqmtii tqanx lee zfr xrhhnl plgze bwqppfn