Lq9 engine tuning software

Like any computer, your cars ecm has software with different settings or parameters, and these can be changed to alter the performance and driving limits of a vehicle. T for tuning 200620 gm vehicles with your pc tune up to 4 vehicles. The flattop pistons allowed for an increase in compression, and the engine produced slightly more power than the lq4 plus10 horsepower and plus10 footpounds of torque. Hp tuners lsx tutorial, ls3, l99, ls2, lq9,ly6,ls1. Make sure you go with custom pcm tuning software or just have a. I plan on keeping it stock engine with chinese gt45 69mm or 80mm with new valve springs.

The lq4 piston is dished where as the lq9 is a flattop increasing compression to 10. 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. Introduced in january 1995, it is a clean sheet design with only rod bearings, lifters, and bore spacing in common with the longstanding chevrolet small block v8 that preceded it as the basis for gm smallblock v8s. Justin told me there would be no benefit what so ever to tune for 91 or lower. It is an ironaluminum 2000 model year engines had cast.

Because of the additional modifications, including cylinder heads and a camshaft, the manufacturers tuning software wasnt sufficient for this project. Many turnkey engine suppliers only turn the vats vehicle anti. The software i use for tuning is called efi live flashscan, and is an excellent product. This cam is a mild upgrade that lets you keep your stock valve springs and other valvetrain components, but will provide you with more horsepower and torque down low where your working truck can really use it. Ls engine swap programmer tuning summit racing quick. Modified pe, and worked on torque management, shift points, limiters. Chiptuning rbn is considered the most complete software optimization service for electronic digital control engine and most extreme perform of its type in european countries and north america. The superchevy crew were able to build one that produced 464 horsepower at 6,300 rpm and 437 lbft of torque at 4,300 rpm. These ironblock truck motors produce 345 horsepower at 5,200 rpm and 380 lbft of torque at 4,000 rpm from the factory.

The ls based smallblock engine is the primary v8 used in general motors line of rearwheeldrive cars and trucks. We sold the intake manifold, stock cylinder heads this lq9 had very desirable 035 casting heads that sold quickly, air conditioning compressor, alternator, and water pump on the internet. A custom tune was created at stenod performance and the corvette delivered 508 hp and 439 ftlbs. When we do find one, it will be on an engine stand until my 4. You may find that the best results involve a blend of tuning services at an experienced dyno facility and final doityourself tweaking using a popular scanandtune software package.

I have swapped ve, maf, and timing tables with a 6. Bonneville pros input screen top left accepts real or modeled engine dyno data, vehicle aerodynamic data, track data, and weather conditions to predict performance as shown on the graphs right and mph printouts bottom. Lq9 408 stroker budget build mrk motorsports official site. Then we go through all the windows of the vcm editor software, showing you. Al walks you through the options you have with programming the ecu of an ls engine from a.

Aug 20, 2014 the last component you install when doing a ls engine swap should be the first thing you think about. Ken duttweiler is totally at home with modern pc laptop tuning software. At this point, we recommend you talk to your chassis dyno tuner and decide. Jun 18, 20 download megatunix tuning software for free. The major negative comment for most owners was related to fuel consumption associated with this engine. The lq9 was equipped with flattop pistons and floating wrist pin rods. As far as getting a tune, i didnt dyno my truck when i got a tune, so i cant really tell if there was a big hp boost. Lq9 is the rpo regular production option code for the 6. Expect big mid to upper end power, will have a noticeable idle. Even if you plan on running a stock ls engine, you still need to tune. And talk about how engine harness ecm plugs connect to your ecm. The tsp 408 cid 620 hp lq9 turnkey package will have a lopey idle and will require a minimum of 2,800 rpm stall speed torque converter for automaticequipped vehicles. Tuning software manipulates the oem calibration data in a car with a factory ecu, or for an aftermarket system, it will access what has been programmed in by the user. Apr 30, 2016 superchevy posted an article showing a budget build 6.

Although gen iii pcms are powerful control modules, they are of little use without tuning software tochange engine and transmission operating parameters. In 2005, gm began putting the lq9 floating wrist pin rods in the lq4 engines, but the company utilized dished pistons instead of flattop pistons. This engine was introduced in other truck lines as vortecmax for 2006. With this simple to make harness you can tune gm engine. Easy ls engine tuning harness bench tune with hp tuners, efi. Hp tuners, the home of vcm suite and the mpvi since 2003. Save yourself the time and expense of going to an aftermarket camshaft supplier and build your ls engine with a genuine gm cam. Jet performance products has released a powerful new tuning software package for gm vehicles that allows the user to modify virtually every aspect of the vehicles programming. Tuning a carbureted ls chevy high performance magazine. Lq4lq9 everything you ever wanted to know chevy tahoe. Sep 16, 2019 reflashing an ecm is a tuning technique that is also often called flashing, remapping, or flash tuning.

Feb 06, 2014 if youre not familiar with the 66 abody weve been playing with lately. Aug 20, 2015 the foundation of any ls build is an engine block, and picking one that will hit a rockbottom price point while still providing ample cubicinch capability is a nobrainer. This comprehensive tuning software allows you to fully tune and adjust a stock ecm. Ls engine controllers, making your ls power change a. The first steps to get my 2002 engine operating correctly in my 1995 truck were pretty simple. On this episode of tuned we dive into some basic of hp tuners tuning software. What makes your engines tune better than stock or your competition. General motors lsseries smallblock engines have been in. Reflashing or remapping an engine computer is essentially just the. For optimal performance you will need headers, chassis dyno tune and 36lb injectors. There is a paper sticker applied to the back of the driversside head at time of manufacture that indicates the type of engine. If youre not familiar with the 66 abody weve been playing with lately. Lq4 and lq9, but the big hp jump can probably be attributed to the vvt.

Are you ready to start tuning your ls1 or ls6 vehicle. Superchevy posted an article showing a budget build 6. Jun 22, 2018 on this episode of tuned we dive into some basic of hp tuners tuning software. There are no embossed or etched exterior markings on the block or heads to indicate one over the other.

This engine is very similar in design to the current generation of mediumdisplacement v8s used in gms cars and light trucks. If you dont plan on making any other changes to your vehicle, it would probably be less expensive to let someone program your computer or chip. Ls engine swap programmer tuning summit racing quick flicks. Email programming we send you a custom tune by email to flash into your ecu yourself using your own licensed. The gen iii lq4 engine was capable of achieving 300 horsepower at 4400 rpm and 360 lbft at 4000 rpm, while the lq9 was rated at 345 hp at 5200 rpm and 380 lbft of torque at 4000 rpm. The only difference between an lq4 and lq9 is the piston. This is good for the ls3, l99, ls2, lq9,ly6,ls1 motors we will be. Theres no such thing as too much when it comes to engine displacement. In fact tuning ecu soft is what tesla are doing now with their cars, selling the same cars but some have options limited from automobile software, paying. All these can be done in the garage, but the tune wont be optimized.

The difference between the lq4 and the lq9 it still runs. At this time, you can program the pcm in the vehicle only if it is electrically isolated from the rest of the. This is good for the ls3, l99, ls2, lq9,ly6,ls1 motors we. Sep 26, 2017 having purchased the engine and its accessories, we had some parts that we werent going to use. The last component you install when doing a ls engine swap should be the first thing you think about. Megatunix is a crossplatform tuning application for some of the available diy fuel injection controllers, including the megasquirt ms1, ms1extra, ms2 and ms2extra as well as the libreems efi system and the jimstim ecu stimulatordevelopment tool. The book with a free audio cassette for an indepth tour of its engine simulation software. Fuel air spark technology also offers controllers for ls swaps.

Weve also got the valvetrain components you need to finish the engine, including lightweight components designed for highrpm performance. The lq9 is a limited production engine and very desirable as it is the ho 6. Al walks you through the options you have with programming the ecu of an ls engine from a simple tune to a complete ecu swap. But it is usually missing with a wrecking yard engine. Discussion in performance started by boss, aug 25, 2009. If you decide to get into programming for yourself, there are a few questions you need to ask yourself. Available in a base or pro form, the hp vcm suite adjusts. There could be thousands of different scalars, functions, and tables that can be changed by a tuner to improve performance. This is good for the ls3, l99, ls2, lq9,ly6,ls1 motors we will be giving you more makes and models soon. The engine featured 300 to 325 horsepower and 360 to 370 footpounds of torque, depending upon the type of engine heads early models were equipped with castiron heads. Because the lq4 and lq9 engines are so similar, weve combined them for this engine upgrade guide, which is part of a series of ls engine upgrade guides assembled by a team of ls experts at summit racing that we are sharing at onallcylinders. Looking to pick up some towing capability with your lq4 or lq9 powered truck. It will include a video like the one to the right as well as a legit dyno sheet and data sheet showing exactly how much power your engine makes and at what rpm. First, you need to ask yourself if you are planning on keeping your current powertrain configuration.