See actions taken by the people who manage and post content. G1 memcal style chip adapter tpi, syclonetyphoon, 9495 tbi, 9293 lt1, etc. Your comments about my tuning tips are greatly appreciated. We are dedicated to tuning your vehicles engine computer to attain maximum performance and the best drivability possible while keeping the powertrain reliable. Unlike the obdi connector, which was found under the hood of the vehicle, the obdii connector is located on the drivers side of the passenger compartment near the center console. The common programs to use are tunerkat and lt1 edit. Please read through product documentation to understand some of the features of this allinone, datalogging, realtime emulation tuning, and chip burning hardware.
Use of a dyno will be necessary to obtain max power, but drivability tuning only requires the scanning software and a fairly level road where a steady speed can be maintained for 2 to 3 minutes. Obd1 bmws are an example of how our products get used for applications that we never intended. Tuning software fbodytech 9495 gm lt1 tuninghacking. Experiment starting at 25 degrees of idle timing, and check map. There are other styles of connectors, but the 12 pin obd1 connector shown above is the most common. See programming software price list to view details on purchasing the obd1 tuning system. Can someone tell me how to wire a obdii plug into a 1995 lt1 computer. How to megasquirt your chevy lt1, lt4 or l99 with opti. Gm lt1 lt4 obd2 pcm programming harness efi connection, llc.
The lt1, in many configurations, seems to like a lot of timing at idle. That was overcome in the obd2 version of tunercat about 2003 or so. Home supported vehicles about us contact us special services 19861993 chips products. Includes autoprom device, 28pin 18inch emulation cable, obd1style aldl cable cabl1, 6ft usb cable, 2x 27sf512 chip, and mark mansurs tunerpro rt5 software license. Works great with older laptops on win98msdos that dont have usb ports though. Lotus elan m100 aldl diagnostic software elanscan free software written specially for lotus elan m100. We offer a range of wiring harnesses perfect for your injection system, fuel pump, and fuel injectors all made with the proper txl wire to complete your project. Or, if you have questions about lt1s in general, modding, etc.
The early systems from 19821986 are just too old to do much with. Renovelo domino tuning suite bmw obd1 tuning software. The lt1 tuning kit includes everything you need to tune your 199495. Speartech also provides ls and lt ecm programming including e38, e67, e40, e92, ls engine wiring harness reworks and conversion, adapters, and programming harnesses. The obdi lt1 tuning kits are complete packages with everything you need to tune. So just what is tbi, stands for throttle body injection used by gm in the early 80s through 1995. If youre using tunerpro, you will also need a flash utility of some type.
Jul 06, 2009 use of a dyno will be necessary to obtain max power, but drivability tuning only requires the scanning software and a fairly level road where a steady speed can be maintained for 2 to 3 minutes. Details about tpi lt1 corvette trans am ecm aldl obd i diagnostic link port wiring connector. Nevertheless, toad software supports more obd1 vehicles then any other scanner in the world. I dissassembled it, kept what i wanted for a stand alone system and rewrapped her.
Gm lt1 lt4 obd2 pcm programming harness for 19961997 4. Aldl connector for 8594 tpi, tbi, lt1 new assembly line diagnostic link connector for tpi, lt1 and tbi applications. His software is affordable, not restricted to a single ecm, and has a builtin flash utility. Shareware dosbased software for aldl vehicles ecm852 serial aldl software direct download link this is the dosbased software for gm tpi and 93 lt1. I also welcome your questions about my methods or how to do things i havent covered. You can determine 9495 harnesses by looking for pin u on the transmission connector. The maintainer of tunercat is a very capable bin hacker, and has discovered many of the parameters now known to the lt1 tuning community. Welcome to tbi chips throttle body injection services. We can custom make nearly any configuration to your specifications. Some 199495 cars have the 16 pin obd2 connector shown below, corvettes, camaros, and lt1 cars among them, as well as newer australian holden and commodore.
Unfortunately the harness i got had no diagnostic plug. Not all leads will have a suitable use in every application, but are included for flexibility with a variety of vehicles. Getting megasquirt to work with the optispark updated 3272020 introduction ms3pro wiring internal mods for v3. If you happened to have the factory 93 manual, it would. The process for tuning obd1 gm products is pretty much the same for all 8693 model years.
Once you plugin the cable into your computer windows vista, 7, 8 will likely install drivers automatically. The club has access to both versions of tunercat, obd1 and obd2. I built my wiring harness myself from a 1995 chevy caprice harness. There was also an issue at the time with the lt1 tuning software for the 96 pcm, which is obd2. These are easy to modify, but they arent as sophisticated as the mafbased system. Tpi lt1 corvette trans am ecm aldl obd i diagnostic. These kits include everything youll need to tune these cars. Windows xp will ask you to specifybrowse location of where drivers are found. How to reflash the pcm, power train control module or computer on a 94 95 96 impala ss caprice roadmaster, etc i reflash it again here. Many of these ecms support being reflashed over the aldl interface e.
Facebook is showing information to help you better understand the purpose of a page. I would get a mitchell systems harness schematic and then work from there. Speedometer recalibration for different gear ratios or. The guy had heads and a cam installed a year ago or more. Best way to find if your obd1 vehicle is included on this page is to perform a search in your browser for your vehicle model.
Gm lt1 lt4 obd2 pcm programming harness efi connection. They are primarily tuned by reflash using the aldl protocol over the. You will need a dyno and lambda meter to tune an engine. I am not familiar with other software or other engine management systems. We offer gm obd i and obd ii tuning for most gm cars and trucks from 1985 to 20 most 4 cylinder, inline 6, v6 and v8. Loosely speaking, this range of ecu appears to be in the 19851995 range. The 1994 and 1995 obd 1 lt1s require a real obd 1 scanner or scan software. Get this totally free software program for tuning the car chips and extract the beast from your car motor.
Ecm852 serial aldl software direct download link this is the dosbased software for gm tpi and 93 lt1. Diagnostic connector adapters below are some of the standard adapters we offer. See programming software price list to view details on purchasing the obd1 tuning system obd1 tuner program description the obd1 tuner program is a general purpose ecm calibration editor that allows you to make a wide variety of calibration changes to your vehicles obd1 ecmpcm from an easytouse windows arrangement. Kit for tuning hondas aimed at shopsdealers who want to tune many vehicles. Our site has more crank and cam signal kits, connectors, terminals, and professional series ecu extensions than ever before. First, all of my tuning experience is with a 96 obdii lt1 car using lt1 edit. Using the domino and the domino tuning suite, it is possible to customize your tune exactly to your needs. Learn the basics of tuning your own tbitpi lt1 ls1 pcm, including timing, fuel curves and more. How to megasquirt your chevy lt1, lt4 or l99 with optispark.
Fire up your laptop and start whatever data collection or tuning program software you use, and turn. Obd1 plug configuration below is an example that shows the common onboard male connectors for a honda obd1 ecu. Assembled with new connectors, terminals, and seals from packard, and txl grade wiring. The following pcm pinouts will cover all lt1, 1994 to 1997. The obdii specification provides for a standartized hardware interface the female 16pin 2x8 j1962 connector. Many grand prix from these years use the g4 adapter. Includes autoprom device, 28pin 18inch emulation cable, obd1 style aldl cable cabl1, 6ft usb cable, 2x 27sf512 chip, and mark mansurs tunerpro rt5 software license. Share your feedback with me, whether about the site itself, the tips i share, or any questions about my tuning service. Check out our custom cables page or give us a call at 3107932410. Increase timing until you stop making more vacuum, then back off two degrees or so for safety. Please choose for the following option below in order for us to select the right chip for you. Ecm switches onoff functions for diagnostic trouble codes or enabling or.
Speartech also provides ls and lt ecm programming including e38, e67, e40, e92, ls engine wiring harness reworks and conversion, adapters, and programming. Obd1 style aldl connectors and the dshaped obd2 connector. Many of our tools are generic chip burning and emulation tools that target a type or types of eproms and will work with just about any computer that uses the same kind. Microchip tuning represents adjusting or updating an erasable programmable read only ram microchip in an automobiles or different vehicles electric control unit ecu to reach outstanding efficiency, regardless of whether it be more force, better emission, or perhaps much better. Wont work with usb adapters, and wont work with winxp2000. I dont think the corvette can be flashed from within the car, because of. You can buy an aldl cable with an obd1 12 pin connector shell, or obd2 style 16 pin. Toad obd1 vehicle support list car obd diagnostics, ecu. Term used to describe an obd1 car that uses an obd2 cable port. We have developed custom software, the mefiburn program, specifically. On board diagnostics port, this type was used pre 96 obd1. Sep 28, 2005 similar threads obd1 tuner options forum date. I need to pick one pretty soon so i can familiarize myself with the software.
We are now offering complete tuning kits for the 199495 obdi lt1 cars. C4 corvette tuning flash tuner for l98equipped corvettes. Ive moved all the lt1 links onto this page to clean things up a little bit. For the 1995 model year, cabl2 is required due to the physically different connector. This is the first obd1 lt1 that i have ever touched. Crate engines ramjet 502, ramjet 350, lt1, ls1, ls2, ls6, ls7, ecotec. We offer a range of wiring harnesses perfect for your injection system, fuel pump, and fuel injectors all made with the. Renovelo has finally answered the need for a custom tuning solution for the latemodel obd1 bmw market. I dont think the corvette can be flashed from within the car, because of how the bcm and pcm interoperate with each. Ecm switches onoff functions for diagnostic trouble codes or enabling or disabling. It has long tubes on it also, but i am not sure if they were already on the car. Hp tuners 101 beginners guide gm ecm tuning overview removing vats, cel. Inaccurate for tuning and has a narrow readable band. Lt1 pcm tuning contact me questions, comments, testimonials.
In which case you can immediately connect other end to the car, load up the obd software and start scanningtuning. Make sure you have good connections between the pc, aldl connector and the. The 4plug obd1 connector image below is proof these do exist and are usually found on jdm auto 9295 civic, integra, and preludes. Mar 27, 2020 getting megasquirt to work with the optispark updated 3272020 introduction ms3pro wiring internal mods for v3.
I recently finished up a project car in which i installed a 1994 lt1. These cables sets are compatible with the obdi tuner and winflash programs and are also compatible with most scan tool and data logging programs for the obdi gm vehicle with the 8192 baud data stream. These were run in the 9293 corvettes and 93 camaros. Gm obdii obd2 wiring harness connector pigtail harness ls1 lt1 aldl 12110250. You might be able to glean some info at lt1 swap or other members that have done the swap might chime in. Aldl connector for 8594 tpi, tbi, lt1new assembly line diagnostic link connector for tpi, lt1 and tbi applications. Ls1 pcms function very similarly although some of the variables and tables in lt1 edit work differently or are measured differently. I understand running this cam on stock tune would not be very tolerable and im not sure when i will be able to get the car dyno tuned. I have read that the gm lt1 obd1 computer can be fully programmed for forced induction. The process for tuning obd1 gm products is pretty much the same for all. We are dedicated to tuning your vehicles engine computer to attain maximum performance and the best drivability possible while keeping the. We also offer the same high quality obdi usbaldl interface cable sets that are included in the lt1 tuning kits separately. How to install aldl usb cable on windows and obd software. This website is dedicated to helping you learn how to tune your own lt1 car computer pcm, using the popular and inexpensive tunercat software as the model.
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