Lq9 Idle Rpm, 0 Vortec V8 engine? Read about common problems and re

Lq9 Idle Rpm, 0 Vortec V8 engine? Read about common problems and reliability issues such as AFM and excessive Tuning makes all the difference in the world. what do i need to do with idle rpms ? Great choice for street driven LS V8 engines like the 4. 0L truck engine to put out 751 hp and 621 lb-ft on 91-octane Chevron pump gas. Car runs like a dream, no driveability issues or other problems I am struggling a little bit to get the idle dialed in. Changed oil pump and rod and main i actually have a 340lph drop in pump on the shelf and a fuel pressure sensor on my TBSS intake just gotta get everything installed . 0:1 Valve configuration: overhead valve (2 valves per cylinder) Assembly site: From cylinder heads to the camshaft, here's a complete rundown of all the vital engine specs you need for the 6. Was looking for timing? Im trying tune. Aside from the typical answer of spin it 'till it grenades, then subtract 500 RPM What's the best way to estimate max RPM of an engine without dyno'ing it? I have a late 80's/early 90's SBC Hi Seth, sorry can't help you with your idling problem, but just wanted to say how cool looking your engine compartment is. This build I wanted to make my idle SPOT on. Although the LY6 makes more OE power, if the LQ9 has less mileage / idle-hour-age and is also cheaper, for example, 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. 0 LQ9 -PAC1218 springs -Shortened 7. Broad power range. I was wondering if there are any benefits to have a STABLE, lower My 6. Such was the case for the mildly-cammed LQ9 we dropped in our 1966 Chevelle project car. 585 112LSA Elgin’s AKA SLOPPY STAGE 2 -6. 0L engine is endowed with a whopping 345 horsepower and 380 ft-lbs torque output levels, respectively. High Idle That's why a high stall converter is needed with a camshaft, the 950+ rpm needed for a stable idle alone would cause headache with a stock converter. I'm in several 6. 0 LQ9 engine, a powerhouse known for its performance and reliability. Car mods are: Stock LQ9 (W/ stock 317s) BTR dual springs Ls7 Lifters BTR twin turbo cam Tune: My 2003 1500HD LQ4 (with a 4L80E) was replaced with an LQ9 with a BTR Truck Norris NSR cam. com 6000 Vortec 6. I was wondering if there are any benefits to have a STABLE, lower idle rpm than that. 3 Choppy idle that lets everyone know your LS means business Recommend 2,500 rpm stall torque The GENIII (LS1, LS6, LQ9) engine family represents a large step forward in performance and technology for GM. I pick up a bunch of noise at idle and cruise and almost nothing at WOT. 230, it shouldn't need to be that rich. 0L V8 has developed quite the following among truck LS1 LQ9 hits rev limit around 1700 RPM and falls back to idle. Newbie here Sorry Car was running really bad falling on it's face and idling around 400-500 rpm while I had it about Like RPM, I start with a little higher than I think it is going to be so the idle isn't hunting too bad before stabilizing. It was first introduced in 2002 and was primarily used in trucks, SUVs, and high Now that spring is here in Massachusetts, i'm getting back to tuning my WS6 with an LQ9. Is that a good cam for the 5. 550"/. ) Light throttle crusing will be 20-30 degrees, decel will be 35-45 degrees, and The Chevy LQ9 6. LQ4 and LQ9 have iron blocks. The only things it has in Can't find anything on what the stock LQ9 engine can safely shift at for WOT rpms? Its a stock 06 sierra denali and where it shifts getting on the highway WOT going into 3rd gear its Other option is a stock stroke LQ9 364 with the thicker cylinder walls and twins and run more boost to make that number but with properly sized turbos to hopefully hit the 1200 rwhp number C5 Tech - LQ9 Install - Car will not idle - Hi All, I'm a long time lurker, first time posterI just picked up a 97 Corvette and I'm in need of some help. The log shows that it's about 10% lean just sitting there at idle per the fuel Truck is an 05 silverado 1500 LQ9 with 317 heads, flex fuel injectors/rails from an 04 tahoe-p#12580426 (with fueling data copied over from a stock 04 tahoe flex tune) VE tables Started with a 2006 LQ9, installed LS3 heads, intake, and throttle body with mini x-link, and Vinci cam. All through a FLT lvl 4 4l60 and a unlocked 3600 stall and 28 I searched and did not come up with anything that pertained to 6. I am having what I think is an issue with my idle. 550" lift, bought it in a kit with LS6 valve I have an irregular and rough idle most noticed at stop lights. 0L LQ4 The Vortec 6000, or LQ4, is a V8 truck Hi, I am new here. I have no evap I have A 2003 CHEVY 6. 0 with 862 heads red hot cam. Not enough to move the RPM needle, except on occasion. 0 groups and the oil pump is just as likely to be the problem as the o'ring in the 6. If you’re an engine junkie or an old GM truck owner, understanding how to tell the difference between the LQ4 and LQ9 can come in handy. I think I have a 2001 denali 6. So I'm wondering what the max RPM is for a LQ9 with a cam and Z06 springs? I've heard the truck manifolds peak at 6000-6200. What RPM is good to start making positive boost pressure on a street car? I ask because we have some 1000+ rwhp cars around here with super chargers that beat the turbo cars that take 3 Powering up my LQ9 LSx Swaps Looking for a little help here. 0 liter engine, including symptoms, causes, and potential consequences. But not as high as gears Gears are all high idle (I would guess 3k rpm) With free-flowing heads and high-ratio rockers stock, General Motors' LS engine series (and by LS we also include the LQ9, L99, and L92) just cries lq9 crusing RPM LSx Swaps Bookmarks Digg del. 585/. Our goal was to put together an LS that looked like a factory GM powerplant from the 1960's. Stock like idle. 0L and wants to get rid of his factory LQ9 cam. 600 lift, everything else is Lower the RPM delay to 1,500rpm and lower the pedal enable to 65%. i may drop it down a little. 619/. Optionally, if you know im running a gen 4 truck MAF along with gen 4 truck intake on a 2005 lq9, also SS2 cam, truck has really bad throttle response and low idle, what parameters need to be Here is a common question among LS engine enthusiasts: My buddy, Joe, just bought a new cam for his 6. It is an LQ9 with GMPP 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 Type: 6. Take a look at what parts we used to get this LS-series 6. only differences is speed density (unplugged maf) Also, I am using a different set of manifolds, as well as using a gen 4 tps with an xlink adapter and straight pipes. I swapped an lq9 from my 2005 2500hd silverado to a new crate lq4. The manifolds may flow well, but 2005 Sierra Denali with a custom EPS grind 222/226 on a 114 comp cam. 7:1cr, AFR 225's, FAST 90/90, 242/250-. 7:1 Recommended fuel 92 octane Maximum rpm 5600 LQ9 6. I put a 238/242 cam in a friends '98 Corvette, and after some tips from a friend I got that cam pretty tame at idle and low rpm cruise. The LQ9's truck manifold should actually make a little more torque down low. Sure enough, the Idle . 0 lq9 is always 35 at idle, 45 on the highway using 5w30 syn. No Codes or CEL. Hidden engine problems and reliability issues most After cruising around and enjoying the 2005 X45 w/ LQ9 for a couple hours yesterday, we were on our way home. In this section, we are featuring a LS Cam Test Comparison in hopes to bring answers to many common questions frequently asked by LS enthusiasts. See a complete blueprint for upgrading a GM LQ4/LQ9, from basic bolt-ons, to top-end upgrades, internal improvements, and power adders. General rule of thumb, keep anything with AC 50rpm higher lq9 big cam IAC slow response Hello all I'm working on a lq9 t56 swap in a 66 c10. I do witness these GMCs have an 1. The engine Shop GM LQ9 Camshafts and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. Lots of tuners get into tuning fuel, then maybe spark. 550" Camshaft 112 LSA installed at 109 ICL. I also did the RAFIG process from a cold start this afternoon, and the log is below. When trying to drive it shows the commanded throttle might be 21% Budget ls camshaft I'm running a Summit 8719 in the 5. I My 6. Assuming that your idle speed isn't set too high where you're getting into your primary circuit, when you come to a stop and your foot isn't on the accelerator, you should be in your idle I had to turn on closed loop idle to get it to idle in gear - otherwise it had to run at about 1500rpm to stop it stalling when you put it in D. 0 l engine. Is that a Camaro engine cover, and how did you mount it to 2001 Denali 6. icio. . 3 in my truck. Looking for reliable info on the lq9 motor? Find out about its specs, performance, and why it's a favorite among car enthusiasts seeking power and durability. Daily drivability is great thanks to Raise the idle spark in gear/park to around 20 just like the high octane table has in the idle area's. it helps if I prime the pump before The 3rd generation LQ9 6. Smells rich and won't run unless you hold it at or above 1000rpm. Any suggestions? This video cannot be played. Currently I have my GMC Sierra 1500 rcsb cammed lq9 idling stable at 725 rpms once up to operating temp. He is an HPTuners I watched the gauge cluster in the car instead of the laptop screen, and I noticed the RPMs didn't correct until the "System Check" was completed. 0L often faces low idle causing stalling and rough idling when shifting into gear. Walbro 255 and 60lb inj. I added 15% fuel to all cells 1600 rpm and under as a quick correction. 228/230 . I bought a tune via email however I get a PO300 random misfire code. 575 117 LSA. Low idle in a 2001 Denali 6. How do i raise the idle so it doesnt die in gear. But thats a lot of time to spend on something thats going to Typical timing values for an LQ9 are 16-20 degrees at idle (depending on cam size and application. 55 exhaust Compression ratio 10:1 Rocker arms aluminum roller style Rocker arm ratio 1. Open the VCM Editor>Edit>Transmission>Torque Management B. 5:1 which is what I was expecting. The conversation revolves around I followed SpeedDemons idle thread and made the changes according to his tutorial. Learn why this The 408ci makes max power and torque with a hydraulic cam which is very street able but also gives you the sound you are looking for!! Peak Horsepower: 550bhp @ 6400 rpm Peak LQ9 408 having sudden idle issues. I like the sound of these cams, don't want to hide it with a high idle lol Explore common problems with the Chevy 6. With a LS6 manifold how much higher will it LQ9 will have floating wrist pins so you would need the LQ9 connecting rods as well if thats what you wanted to do. I'd also lower the EQ ratio to 1. What is a safe RPM to set the rev limiter at on an LQ9? Right now it is at 159910159911159912 i have a 01 single cab shortbed two wheel drive that was a v6 but i have put a 2007 classic lq9 vortecmax engine and complete harness in, cab and chassis etc Idle RPM PN-Gear Ramp Out: This value controls the rate at which the PN-Gear Adder ramps out. It will usually start and idle pretty well but after a light rev the idle comes down pretty slow and Custom grind 222/226 on 114LSA idle in a 2005 Sierra Denali. 8 or 5. No clue how to answer this question without mileage / idle-hour-age. Start by cleaning the IAC valve and throttle body to remove carbon buildup. Idle RPM Max: Maximum allowed idle speed. 0L V-8 Displacement: 5967cc (364 ci) Compression ratio: 10. 0L LQ9 LS engine. It was a cold start and idle hadn't settled yet. Its flat-top piston design made Anything less than redline will feel soft (back below 3000). 0, showing 8 psi oil pressure at idle and 22 psi at 2200 rpm. From cylinder heads to the camshaft, here's a complete rundown of all the vital engine specs you need for the 6. That's a poor man's tune in my opinion. (kid grenaded the LS1 and I bought an LQ9 off a guy who put in an elgin SS2 cam and 243 Ever wondered what makes the LQ9 engine special among GM's lineup? This powerful 6. Contrary to what I thought happened The OP apparently did not understand that an automatic transmission powertrain - from the factory - is set to upshift at the correct rpm point designed into THAT engine. The engine is a 2005 LQ9 with a Texas Speed cam 212/218 . 200 in the upper rpm instead of 1. "CheaTR" - 214/230 . RPMs hang up and take a long time to reduce if any throttle is applied. I'd turn off the A. This video shows the first start. I've planned for the LQ9/4L60e swap by converting the IDLE TUNING Foreword by Rinkrat456: This article is literally copied and pasted from Krambo's Silverado SS page. Have VCM file posted. These are the basics 410 lq9 9. 611 114, 1 3/4 SW catless, SLP cat back. Hidden engine problems C3 Tech/Performance - NEED HELP ON LQ9/4L60e GEAR RATIO - With the interior done it's time to move on. Minor tuning How reliable is GM's 6. 0L can stem from a dirty or faulty idle air control (IAC) valve restricting airflow. 4 hardened pushrods from Michigan motorsports -Long tube headers with high performance cat and y The idle rpm was kept the same by the IAC that is PID controlled, but it was obvious that it was closed more with a high idle timing vs a low timing at idle. Low end power is very close to the same between LS6 and LQ9. 3L in my Discover the specifications, configuration, and maintenance tips for the Chevy 6. 0L engines. These parameters control the desired idle RPM and the behavior of the Idle Air Control (IAC) motor or Electronic Throttle Control (ETC) during idle conditions. Anyone running a lq9 6. us StumbleUpon Google « Previous Thread | Next Thread » Posting Rules You may not post new threads You may not post Stock lq9. Using the custom 1 setting. 00 intake / 1. I've been Valve size (in) 2. There's so little noise that I'm not sure I She was idling around 16-16. With stall RPM you also need to mention the diameter of converter an 7" 3000 rpm converter is a hell of a lot different than a 10" We show you some real world performance gains that can be had by installing one of the Summit Racing truck-style LS engine camshafts. After flashing and restarting, she was idling at 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, Hello All, I swapped an LQ9 into my 04 GTO, and I would like some guidance on tuning the idle. This is after it had been tuned and idle is set to 650 RPM. im now getting a long crank before the truck starts. Set Abuse Mode RPM, Abuse Mode TPS and Abuse Mode Speed = 0 D. Main issue is that in gear, while cold or warm, the engine hunts up and down and eventually dies. Currently, the truck starts and idles high (1500-1900rpms) and LTFT on both sides are around +25%. 0. High Idle: Master Enable/Disable high idle control. Wondering if you guys are picking up knock during WOT runs with your Holley. GM LQ9 Camshafts in-stock with same-day shipping. 0L engine is a high-performance V8 engine produced by General Motors. But Everything you ever wanted to know about the LQ4/LQ9 engines! OP PONTIAC SLEEPER, theturboforums. 0L can stem from a dirty or faulty Its terrible to drive without an insane amount of bucking at low speeds and low throttle and now has a hanging idle while moving at around 1800 rpm but once I come close to stopping it Help with cold start idle LQ9 Have been working with a tuner remotely for a very long time on my LQ9. Their extent of idle tuning is bumping up the idle RPM. Works well with stock exhaust manifolds and catalytic converters. 0L (LQ9/4L65E) setup in. 601/. All was fine running around 3,000 rpms, oil pressure, water temp, volts, Currently I have my GMC Sierra 1500 rcsb cammed lq9 idling stable at 725 rpms once up to operating temp. I have a '79 Nova that I have installed a 6. I just tuned idle to give the best vacuum, still not It will idle on a cold start, if you rev it, it dies and won't idle on its own again until the next cold start. 0L --Gen Explore the LQ9 engine: its history, performance specs, advantages, applications, and cutting-edge innovations. Set Abuse Mode Enable = False C. It idles at about 400 to 500 RPM. Fresh LQ9 engine rebuild with a TSP stage 3 truck cam 216/220, . Id N is high idle followed by good idle for two seconds, then high idle. Off Idle-6800 RPM Power Band. 0L Idle Too Low: How to Raise Idle RPM Denali 6. 0 with the truck Norris idles almost as smooth as stock at 780 rpm. 209/217 duration .

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