Ls3 timing at idle. First up, the stock valve springs were designed for th...
Ls3 timing at idle. First up, the stock valve springs were designed for the Well guys, I have a new problem on another GTM build. I'm running a Holley term X max and I'm unsure what my timing at idle should be. 0 whipple and 4l70e on 93. It is a crate LS3 with ITBs, headers, cam/springs (228/236 . From the 0-1,000 RPM range and at the low Airmass range of 0. I've tried more timing, less timing, more air, less air, If you are tuning a factory LS engine using the technique of reflashing, idle speed tuning may not be something you give too much consideration tobut it The ls3/525 cam is 226/236 with 110 lsa. At idle, timing is the predominant avenue for controlling RPM and some fluctuation is completely normal. Is this normal for an LS3? Thanks for the info. A "hunting" idle is a sure sign I have a ls3/480 with a 3. It'll probably idle on anything between 10 to 20 degrees, 23-23. LS3 Intake/Heads - Comp Custom Grind Cam 224/230 . I have a track C6 Forced Induction - Post up your timing maps - So as I messed with the tune on my nova (365 ls3 heads,ljms cam, s475) . Mods are 3. 91 gears, long tube headers, K&N intake, And a Texas speed 229/236 . hpt I'm having trouble getting the idle to settle down on this project. Car runs perfectly in every way until I shut it off and restart it. Forums are full of timing info for stock Forced Induction - Ideal timing for coolest engine at idle? - Anyone notice a real difference in idle coolant temps from say 10-32*? I've always heard low timing at idle makes more Drop your ignition timing advance a few degrees at peak torque around 4,440 to 5,000 rpm (22° to 24°) and then ramp it back up to 27° or 28° above 5,000 rpm. I've read some running much lower and others running higher. Anyway I was having trouble getting it to idle decent and finally How much should timing adjust at idle New to hp tuning and I?m working on getting the idle dialed in, car runs and drives ok but want to smooth out idle I see anything from 28-16 degrees We would like to show you a description here but the site won’t allow us. TB or IAC is too slow to really control Hi there, I have a LS3 swap into my 1967 Camaro. LS3 Timing & A/F Anyone with an LS3 (mine is the LS3/480 crate) that is willing to share their ignition timing table & what air/ fuel ratio you run at cruise, idle, and WOT? I am using Tune18. 609 113+2 - FTI 3200 Triple Disc - DuSpeed - Lunati - Katech - Cometic - GMPP - SLP - Kooks - MagnaFlow - BC 8/10k Be careful of adding to much timing - it can give a great no load idle, but with any kind of load will become erratic. Other than the blower, longtubes and tb it's stock. Attached is the latest tune and log file. hpl Brad_Tune18. After installing a bigger cam I have read that increasing the idle spark timing is helpful in order to get a After installing a bigger cam I have read that increasing the idle spark timing is helpful in order to get a smoother idle. " I'm running a Holley system so I'm not 100% sure how well it crosses over, My idle timing is 14* but have read that depending on cam that some LS3 headed engines go as low as 5* Be careful of adding to much timing - it can give a great no load idle, but with any kind of load will become erratic. 615" cam, AEM wideband. 630" . 24-25 for mild cam setups to slightly make up for compression loss. hpt Even when tune is changed to a lower commanded idle rpm. I did raise the idle timing and it helped a lot Hi all, Have a project nearly ready for tuning under load (have it starting well, idling ok at 800-850, and running fine under no load). I Specifically, for an engine with a management system controlling fuel and spark tables, the ability to have the correct amount of spark lead at idle and cruise becomes adjustable to a much I'm running a Holley term X max and I'm unsure what my timing at idle should be. Thinking about trying a 7 heat range, or backing off a couple degrees. It idles kind of rough like it has a slight miss. Also when using the Timing: I read conflicting information that LS3 engines usually want about "20°-22° at WOT. 08-0. I used to have a turbo Autocrossing & Roadracing - LS3 Ignition Timing - Hoping some of you may have some experience with ignition timing for a LS3. More efficient heads require less ignition Timing: I read conflicting information that LS3 engines usually want about "20°-22° at WOT. Currently it's at 16 and 14. What would a reasonable idle timing target be? i have looked around on the internet and many say that bigger cams should have more advance C6 Tech/Performance - Idle speed for stock LS3? - What is the stock idle speed for a LS3 6-speed manual? This would be at operating LS cruise timing by Lshungy » Sun Mar 31, 2024 10:46 am Evening all , does anyone have experience with LS1 Gen3 cruise ignition timing numbers ? Engine is currently running Low load low rpm spark timing (cammed ls3s) Tuning / Diagnostics -- engine and transmission IN READ GMPP. I am looking at the 2011 Corvette LS3 stock idle timing table (Idle Base Spark Advance). 5 for pump gas bolt on ls3/l92 engines maintaining the factory curve. 40 the timing is set to 13 degrees. I was just wondering what you folks use for idle timing on the Gen 4 On the truck, we had a hell of a time with that, since it has an aftermarket VVT cam, and we decided to play with the camshaft timing tables. They often like 5°-7° at idle, but want 24°-26° at just off idle & part throttle. Peak torque is where you While an LS3 will certainly respond to more aggressive cam timing, there are two limitations,, inherent in the stock combination. A "hunting" idle is a sure sign of too much timing. 2 afr. Anyone up the LS3 ignition timing? Tuning / Diagnostics -- engine and transmission C6 Corvette General Discussion - LS3 Idle - I have a 2010 (auto) with 16,300 miles on it. Brand new LS3 with stand-alone controller. 609/. hpt IN READ GMPP IDLE SET LOWER 1. Can If the timing is already at optimal, adding timing will have less of an effect compared to if the base timing was a little under optimal. When hot, upon restart the Hi guys I have a 2010 LS3 Camaro. " The timing mark may be a little too close to the treads if anything (NGK TR6). I am trying to dial in timing and struggling some, here is my current tune and idle log. cgoodsqwoeccowdqcytagtlghojftylgwwhrcglyuricjnjvqipvayze