TunerCat Links

Daves LT1 Page, With a little help from his friends, Dave has done a good job of sorting out his LT1.
http://www.geocities.com/MotorCity/Shop/1624/95cam2.html

DIYS EFI ftp page, A excellent source of binary files and tuning information.
http://www.diy-efi.org/

ECMGuy, Another personal page of interest to GM ECM or PCM hackers.
http://www.geocities.com/MotorCity/Shop/9938/index.html

Ludis Langens, This is a personal page of a very sharp guy who has independently
hacked some tough hardware and software.
http://www.exatorq.com/ludis_obd1

Monodax Tuning Forum An independent mail list that has been set up to allow users of C.A.T.S. OBDI and OBDII software to exchange information and ideas.

Andromeda Research, Andromeda Research manufactures two nice EPROM programmers worth consideration; both the EPROM FIELD KIT (www.arlabs.com/fieldkit.htm) and the EPROM+ programming system (www.arlabs.com) support the EPROMs used in the GM ECMs. Their website also has educational information about EPROMs and how they work.

Moates.Net, Has a nice range of EPROM programmers and emulators compatible with the RT Tuner program. They also have the Roadrunner emulator for the newer GM LS1 style OBDII PCMs that allows real-time tuning for these cars and trucks.
http://moates.net/

Xtronics, Manufactures the Pocket Programmer, an economically priced programmer that is compatible with all the GM EPROM's and the Romulator EPROM emulator an EPROM emulator that is compatible with our RT Tuner program. They also carry a low cost EPROM eraser and their site has a good explanation of how EPROM's work and some other good general information.

Monodax, Developed the MxScan program. A powerful scan tool/data logging program that is compatible with the C.A.T.S. OBDII interface cables so no additional hardware is necessary.
http://www.monodax.com/

Wester's Garage Wester's Garage sells the OBDII ECM-Pro Scan Tool program. This is a full featured scan tool/data logging program which is compatible with the C.A.T.S (and JET) OBDII interface cable.

Fastchip Performance chips and custom computer programming for a wide range of GM vehicles. Selected winner of High Tech Magazine's 1997 Performance Control Module "shoot-out".

LT1 PCM Tuning uses C.A.T.S. software to reflash your 1994-1997 LT1/LT4/L99 PCMs for simple changes like VATS disable, smog delete, or gear/tires swap, as well as with custom tunes to increase MPG and power, including for your modified engines, such as forced induction, increased displacement, and cam and head changes. Prices start as low as $50 shipped (free USPS Priority Mail return shipping!), or as low as $50 for tuning through email (including 1993's) if you have your own cable and copy of the C.A.T.S. tuning software (three free retunes also included!). Soon to be supporting '98-'05 LS1 engine vehicles! Why pay more for less?!

Trifecta Performance Trifecta Performance does custom programming for late model GM OBD1 and OBD2 vehicles, and offers a unique mail order service where they loan out a hand-held tuner they developed in-house to allow customers to program their PCM with custom programming without having to remove the PCM and ship it anywhere.

Wester's Garage Wester's Garage specializes in diagnostics, transmissions and engine tuning. They have an in-house dyno and can provide custom calibrations for a wide variety of vehicles.

CustomEFIS specializes in complete custom, turnkey EFI systems to update older carbureted vehicles. The site also provides some good general EFI information and some excellent links. For additional information contact John at questions@customefis.com or visit their web site.

Happ Automotive has a good selection of hard to find Gm connectors, ECMs, EFI parts and wiring harnesses. Contact Terry at thapp@localline.com for more information.

JET Performance Products Specializes in a wide range of automotive performance parts and accessories. JET now has an exclusive license to sell the C.A.T.S. OBDII tuner package (Dynamic Spectrum Tuner which supports most GM OBDII V8 cars and V6, V8 and diesel trucks.

Moates.Net, Supplier of the Roadrunner emulator and the compatible OBDII Real-Time Tuner program for tuning OBDII GM vehicles in real-time.
http://moates.net/

Wester's Garage Wester's Garage has a full professional OBDII tuning package the supports both standard and real-time tuning of many GM OBDII cars and trucks including the diesel trucks.