Gm 1996present shop by vehicle wideband products ford 19862004 gm 19851995 nissan 19861995 hondaacura 19881995 driver download browse products datalog and. Book discussed a lot of engine hardware options, but almost no information on tuning the engine controller. Jun 30, 2015 how to diy prom chip tuning for obd1 chevy gm throttle body tpi lt1 fuel injection honda duration. The pcms used in these cars were flash based like the lt1 pcms so they are read and reprogrammed by connecting to the aldl connector. You have three choices for tuning forced induction on a tpi ecm i. Using marc piccionis megasquirtii to gm tpi adapter board tpi owners, now its your turn. Learn the basics of tuning your own tbi tpi lt1ls1 pcm, including timing, fuel curves and more. For some early 9697 vehicles, it is often the only solution. Ecm852 serial dosbased aldl software this is the dosbased software for gm tpi and 93 lt1 which i wrote. Discuss general motors gmc, chevy, pontiac, hummer, cadillac, etc tuning topics here. 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. While i specialize more in the daily driver type fuel injection aspects rather than.
The early systems from 19821986 are just too old to do much with. Mar 18, 2017 top selling tuning software for gm is a great quality product buy now and save big. As 5fdp states change the cyl vol and injector data to start. Programming proms for your thirdgen fuel injected fbody. Tpi is a fuel injection system that uses individual injectors for each cylinder that are mounted in the intake manifold and usually ends up looking much different than a traditional carbureted setup. We do real world open road tuning with wind resistance, friction, air flow and shifting.
This kits includes the tuner program, ecm definition file, burn2 programmer, flash memory, and required. Custom tuning is highly recommended for all speed density applications that are different than stock. To reprogram most gm obd1 chips, you will require appropriate tuning software. First, you need to ask yourself if you are planning on keeping your current powertrain configuration.
Tuning software and equipment although gen iii pcms are powerful control modules, they are of little use without tuning software tochange engine and transmission operating parameters. The tuned port injection and throttle body injection versions of the small block chevy and used. Gm efi tuning for beginners posted on december 15, 2014 by scott parker in columns, the science of speed with scott parker 1 comment if youve been around the gm efi scene, whether it is perusing the messageboards, races, car shows, etc. Retrofitting oem units onto earlier trucks has been popular for several years now, and the unit that really got the trend rolling was the 85. Horsepower gains will depend on your setup, but vary anywhere from 10hp to 40hp, and also typically yield better gas mileage as well. Jul 06, 2009 in this tech article corvette fever takes a look at weswood performances digispark system which brings the ease of flash programming to l98equipped c4 corvettes and test it out on a 1991. This is the dosbased software for gm tpi and 93 lt1 which i wrote. If you decide to get into programming for yourself, there are a few questions you need to ask yourself. Dec 15, 2014 gm efi tuning for beginners posted on december 15, 2014 by scott parker in columns, the science of speed with scott parker 1 comment if youve been around the gm efi scene, whether it is perusing the messageboards, races, car shows, etc. Winaldl overview for datalogging tpi tbi chevy engines youtube. 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. Welcome to harris performance, this site dealing with the tpi tune port injection system used by gm from 1985 through 1992. Sep 14, 2002 come with us as we check out scoggindickey parts centers tpi manifold, which claims to unlock ls1 type performance in your engine without burning a hole in your wallet gm hightech performance. How to diy prom chip tuning for obd1 chevy gm throttle.
First, all of my tuning experience is with a 96 obdii lt1 car using lt1 edit. I have posted pages to help those with these systems overcome the limitations of those systems and point out what those limitations are. Eec editor software from paul booth software for ford vehicles only. Oct 23, 2018 hey guys, is there an online tutorial or guide for navigating the gm tpi ecms.
To start viewing messages, select the forum that you want to visit from the selection below. Learn the basics of tuning your own tbitpilt1ls1 pcm, including timing, fuel curves and more. If there are updates, you will need to purchase gms techline. In this tech article corvette fever takes a look at weswood performances digispark system which brings the ease of flash programming to l98equipped c4 corvettes and test it out on a 1991. This is ugly and only has a possibility of working for low boost setups.
Gm tuned port injection and tbi tuning general discussion page for all things tpi and tbi related. Furthermore, be aware that changes to a cars stock computer chip can have very serious. Tuning software and equipment includes instructional photos, checklists, and stepbystep instructions on upgrading to the gm gen iii lsseries pcm, ecm, electronics, and powertrain control systems. If this is your first visit, be sure to check out the faq by clicking the link above. We offer complete custom tunes with attention to all driving conditions. How to diy prom chip tuning for obd1 chevy gm throttle body tpi lt1 fuel injection honda duration. G1 memcal style chip adapter tpi, syclonetyphoon, 9495 tbi, 9293 lt1, etc. Currently im working with a guy that put tpi on a stock tbi 350, and i was surprised at how much the volumetric efficiency tables changed. Tpi tpi chip programming harris custom fuel injection programming. Scoggindickeys tpi manifold gm hightech performance magazine.
The what do i need gm section is going to have basic hardware and software suggestions for groups of. Diablosport features camaro support from 1999 all the way up to 2018 and corvette support from 20052018. We are now offering the v6 ecm definition fileand the v6 tune kitwhich support the 1994 95 gm cars with the 3. This website is no longer selling gm memory calibration modules. While we will transfer the software license to you if you purchase it from a currently. We have recently released two new vehicle definition. This page is for information about gm tuned port injection efi swaps. The process for tuning obd1 gm products is pretty much the same for all 8693.
We are dedicated to tuning your vehicles engine computer to attain maximum performance and the best drivability possible while keeping the powertrain reliable. Economical oe single turbo plan sbc 350 tpi is there such a thing. Scoggindickeys tpi manifold gm hightech performance. The information presented below is presented for educational purposes only. I must address some caveats before i delve into the meat of the article. This service will tune, a mildly modified lt1 engine, using basic and fairly safe tuning techniques that ive learned.
Use your web browser to go to gms calibration lookup website, and type in your vehicles vin number to check for any programming updates to your pcm. Tunedport injection units tech articles hot rod network. This update has also allowed us to put together some complete tuning packages obd1tune kits for the gm eprom based obdi vehicles providing a complete tuning solution for your vehicle much like the lt1tunekits for the 9495 lt1 cars. Winaldl overview for datalogging tpi tbi chevy engines. This program is used to control the chip reading erasing writing duties of the burn1, burn2, jaybird and apu1 devices. Haltech can adaptor cable dtm4 female receptaclesocket to 8 pin black tyco 375mm used to adapt a platinum series ecu to a dtm4 elite can system, usb programming cable and usb software key.
Be aware of your emissions laws and be aware that changes to the cars stock computer chip can cause your car to no longer be compliant with state and federal emissions guidelines. Platinum sport gm ecu, plug and pins for auxiliary io harness. A bit dated, but opensourced and fun for you old qbasic dos nerds. I am not familiar with other software or other engine management systems. Condition based monitoring please use the following links for the most up to date software releases for tpis range of cbm devices. Tunercat obd2 tuner must be purchased with our roadrunner hardware either with a complete roadrunner ecm or just a roadrunner guts kit due to licensing restrictions. This is the only software package available for editing the gm 6. Since chevrolet is a subsidiary of general motors gm, gm tools and software are used to reprogram a chevrolet pcm. Find more similar products like the tuning software for gm here at wholesale. Ls1, ls2, ls6, lt1, sbc turbo and other gm specfic turbo tech. Top selling tuning software for gm is a great quality product buy now and save big. In this video i will show the equipment needed for do it yourself prom chip tuning. I use the one above personally and it works great on obdi lt1, tbi, and tpi vehicles. Preoptispark small block chevy v8s with tpi or tbi injection and hei ignition with electronic spark timing seven or eight pin hei module much of this article will apply to other 1980s era gm cars including injected big blocks and even fire v6s.
Good choices simple you have three choices for tuning forced induction on a tpi ecm i. Dec 30, 2004 retrofitting oem units onto earlier trucks has been popular for several years now, and the unit that really got the trend rolling was the 85up gm tunedport injection tpi. We tune with the factory computers obd cell parameters as established by gm and use the factory oxygen sensors. Its not really awesome, handtuning would work much better, but its as good as a really basic mailorder tune for free.
How to diy prom chip tuning for obd1 chevy gm throttle body. So just what is tbi, stands for throttle body injection used by gm in the early 80s through 1995. For your consumption, here, now, we present part 1 of an article on tuning your gm efi vehicle. Older 160 baud aldl cars such as early tpi s like gm 1227165 ecm, 198689 5.
To reprogram most gm obd1 chips, you will require appropriate tuning. Tuned port induction programming services can provide you with all your tpi programming needs from a custom street rod to a stock corvette, camaro, or trans am. Hey guys, is there an online tutorial or guide for navigating the gm tpi ecms. Using enhanced diagnostic software all systems are logged and analyzed before any tuning is done. The program supports a wide range of obdi gm vehicles. This adapter board fits inside a 165 ecu and lets you use megasquirt on your 86 through 89 camaro, trans am, or corvette. The what do i need gm section is going to have basic hardware and software suggestions for groups of vehicles. Tuned port induction programming services can provide you with all your tpi programming needs from a custom street rod to a stock. The software also is not the best way to swap a computer from a different year to a different engine.
From the tittle of the book, i thought there would be a lot of information on how to tune calibrate the ecm of a l98 engine. Come with us as we check out scoggindickey parts centers tpi manifold, which claims to unlock ls1 type performance in your engine without burning a hole in your wallet gm hightech performance. Our tuning for the 19861993 corvette helps every vehicle from stock to modified gain performance and better driveability. Welcome to tbi chips throttle body injection services.
When you change the cyl vol, the ve table will automatically be changed so if you want to keep the stock table not sure why because you will be remapping anyways then save the tables and change the vol, saveopen the new file and paste back the tables you. We know what it takes to make more power, safely, on these powerful offerings from gm. Introduction tunercat obd2 tuner is a software package that allows tuning of 96current gm vehicles. C4 corvette tuning flash tuner for l98equipped corvettes.
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