91-93 GMC Syclone / Typhoon 1227749
Introduction The 91-93 Syclone trucks and Typhoon SUVs were a unique low-production vehicle that featured a powerful turbocharged 4.3L V6 engine. They use the 1227749 ECM, which is most similar to the...
View Article86-92 GM TBI Trucks without elec. trans: 1227747
Introduction The 86 throttle body injection (TBI) system was the beginning of GM’s transition from carburetors to fuel injection. This is the first of the “classic” speed-density computers which...
View Article89-93 Ford Fox Body Mustang 5.0: A9L / GUFB family
Introduction The Fox Body Mustang switched to using a Mass Air Flow meter to measure airflow in 1989. Uses TFI distributor, sequential injection for up to 8 injectors, MAF air metering. This EEC-IV...
View ArticleFord EFI Tuning Class – Fall 2014 Cincinnati, OH
Another Fall Class! We are going to be offering a three-day class on tuning Fords with QuarterHorse in Fall 2014 – September 26th. This is the same format class previously offered. Street tuning and...
View ArticleTuning Nissans with Nismotronic – May 2014 Carlisle, PA
A New Class! We are trying out a new class for 2014 – a 3 day class centered around Nissan vehicles using the Nismotronic product. The class will feature two days of classroom instruction and one day...
View Article94-95 LT1 Corvette, Camaro, Firebird 16188051 16181333
Introduction The 94-95 F and Y bodies are a dramatically different breed of PCM compared to earlier models used by GM. They are primarily tuned by reflash using the ALDL protocol over the diagnostic...
View Article96-97 Corvette, Camaro, Firebird, Impala, Caprice, etc.16214399 and 16242921
Introduction The 96-97 F and Y bodies use a unique PCM that is an evolution of the 94-95 ECM but requires unique tools. They are primarily tuned by reflash using the ALDL protocol over the diagnostic...
View Article94-95 Mustang 302 V8: CBAZA / T4M0 / W4H0 / etc.
Introduction These processors use a TFI distributor, sequential injection for up to 8 injectors, MAF air metering and an electronically controlled AOD-E 4 speed automatic transmission or Tremec 5 speed...
View Article96-97 Mustang 3.8L, 4.6L 2V GT, 4.6L 4V Cobra, Town Car, Thunderbird, etc.:...
Introduction These processors use EDIS coil packs backed by a 36-1 crank trigger wheel, sequential injection for up to 8 injectors, MAF air metering and an electronically controlled 4R70W 4 speed...
View ArticleOBD1 BMWs – what you need
Introduction OBD1 BMWs are an example of how our products get used for applications that we never intended. Many of our tools are “generic” chip burning and emulation tools that target a type (or...
View Article92-95 TBI Trucks with 4L60E and 4L80E transmissions 16197427 16196395...
Introduction Starting around 1992, GM started putting the newer electronically controlled 4L60E and 4L80E transmissions in their trucks. Along with the electronically controlled transmissions came new...
View Article93 Corvette / Camaro LT1 16159278
Introduction The 1993 Camaro / Corvette LT1 PCM 16159278 is an oddball. It was not used before or since. The $DA2 mask was used in Y-body Corvettes and the $DA3 mask was used in F-body...
View ArticleCredit Card Processing 101
Introduction Lately, we’ve been having a lot more trouble with Credit Card verification. We’re not sure whether this is because there are more people trying to do fraudulent things (in which case,...
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Demon II
Introduction / Identification The Demon2, pictured above, is the newest in our line of Honda/Acura-friendly P28/P30/P72-compatible technology. Flawless realtime emulation, embedded datalogging,...
View Article86-88 Ford Fox Body Mustang / DA1 Speed density
Introduction Early Fox Body Mustangs used a speed-density metering system from 1986-1988. Uses TFI distributor, 8 injectors, speed-density metering. This EEC-IV system isn’t as well-supported as the...
View ArticleFord: “Calibrated” MAFs
Introduction Calibrated MAFs are something you are almost guaranteed to run into sooner or later tuning EECIV Fords. Although largely an artifact of yesteryear when tuning tools were not available,...
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QuarterHorse – Optoisolator Install and Use
Introduction On some vehicles, the QH doesn’t work well due to an excessive amount of electrical noise or ground potential differences. In these cases, the optoisolator module we sell provides...
View Article84-87 Grand National 1226459 1227148
Introduction The 84-87 Grand National was a unique car available in limited production. These vehicles featured sequential injection, distributorless ignition systems and other groundbreaking features....
View ArticleQuarterHorse: 1.4 to 1.6 Firmware
Introduction: Firmware Update There has been one major firmware upgrade for the QuarterHorse. There is minimal impact for EECIV users (i.e. Foxbody, 94-95 GT) but EECV users will see a much bigger...
View ArticleCloning Ford ECMs
Cloning Ford ECMs You can use our tools to “clone” a 1986 – 2004 Ford ECM, without needing any definitions or tuning software. There are a few caveats: 1. ECUs must have the same hardware ID. You can’t...
View Article93-95 Holden VR Commodore 16176424 16183082 16195699
Introduction The 93-95 VR Commodores use several different ECMs that fortunately use the same tools for tuning. These ECMs feature electronically controlled automatic transmissions ( 4L60E ) as well...
View Article88-93 Holden VN + VP Commodore 1227808
Introduction The 88-93 VR Commodores use the 1227808 ECM which is basically the same as a US 1227165 ECM that is limited by hardware to 160 Baud communications. These ECMs have torque converter lockup...
View Article94-95 (ish) Mass-Air trucks with E40D Electronic Transmission VEX1 WAY1 HOG0
Introduction 94-95 MAF Trucks are an interesting breed. They feature sequential fuel injection, a distributor for spark delivery, Mass-air flow (MAF) sensors for air metering and most importantly are...
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Emulation Cables
Introduction Emulation cables link our emulators to a target device. The Ostrich, Ostrich2 and APU1 all use a similar style emulation cable. The design of this cable has not changed in many years....
View ArticleFord EFI Tuning Class – March 2015 Baton Rouge, LA
Learn to Tune Fords in Comfort! We are going to be offering a three-day class on tuning Fords with QuarterHorse in March 2015 – weekend of 3/28/15. Come enjoy Baton Rouge before it gets too hot to be...
View Article92-95 Civic and 93-95 Integra 37820-P05 P06 P08 P28 P29 P30 P72 P74 P75 PR4
Introduction If you are too lazy to read this whole page, you can skip to the “Recommended Combos” section at the end for a shopping list without any explanation. 92-95 Civic and 92-95 Integras are a...
View ArticleRMA Procedure
Intro Although we do our best to test things before shipping them to you, things happen. And sometimes those things mean that the devices you order from us just don’t work. In other cases, devices...
View ArticleRoadRunner and Bosch ME7
Lately, we’ve seen a lot of interest in using the RoadRunner as a general purpose ROM emulator for the Bosch ME7 platform as found in ~2000-2005ish Volkwagen 1.8t and Audi 2.7t applications. This is...
View ArticleHelp We Provide
We aim to be as transparent as possible about EFI tuning and the products we sell, allowing you to make educated decisions. You won’t call us up and have someone tell you it will be easy and you’ll...
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Nismotronic: Incompatible ECUs
Introduction Lately, there have been several users having issues getting a Nissan ECU with a 20×2 header that looks like it should be compatible with Nismotronic to work. There are some extremely...
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Logging a wideband with TunerPro RT
Introduction Logging a wideband in TunerPro RT can be a little complicated because it requires simple algebra and a basic knowledge of how ADCs and widebands work. While there are a few steps, it’s...
View ArticleOBD1 GM: Getting Started
Intro This is intended to provide a brief overview of the steps required to get up and running tuning an OBD1 GM vehicle. It is deliberately vague. Instead of providing an exhaustive guide here,...
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Transitioning to tuning older pre-OBD vehicles
Introduction A substantial portion of the folks that contact us these days aren’t totally new to tuning. The vast majority have worked with other tools before. HP Tuners, EFI Live, Diablosport, SCT,...
View ArticleTroubleshooting: HULOG/CROME datalogging issues
Intro While it may look simple, getting the Honda logging cables we sell to work with CROME can be quite challenging. This document aims to provide troubleshooting steps to ensure you get up and...
View Article93 TBI Trucks with 4L80E transmission 16147060
Introduction This is one of the first electronically-shifted transmission applications. Some 1993 vehicles came equipped with 4L80E transmissions and 16147060 PCMs. This is a P4 generation ECM which...
View ArticleCountries We Do Not Ship To
Unfortunately, there are certain countries we no longer ship to. This is usually a result of excessive fraud or lots of packages being lost in transit. If you order from one of these countries, your...
View Article94-95 (ish) Mass-Air trucks with E40D Electronic Transmission AHACA Strategy
Introduction 94-95 MAF Trucks are an interesting breed. They feature sequential fuel injection, a distributor for spark delivery, Mass-air flow (MAF) sensors for air metering and most importantly are...
View ArticleTroubleshooting: Switches
Introduction Many of our products have physical switches on them to change device behavior. Unfortunately, we’ve noticed quite a few problems related to these switches. Over time, sometimes switches...
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QuarterHorse: Battery Installation
Currently shipping QuarterHorses differ from the original in two subtle ways: There is a circuit to keep the QH’s memory using power from the Keep-Alive-Memory voltage supplied to the ECM with the key...
View Article94-95 (ish) Mass-Air trucks with 4R70W Electronic Transmission CBAZ0 Strategy
Introduction Some 94-95 Trucks (mostly F150) came equipped with a 4R70W automatic transmission. Most of the heavier-duty trucks came with AOD-E transmissions and use incompatible ECMs. These ECMs...
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F3v2
Overview The F3v2 is a simple chip for EEC-based Ford ECUs (~86-04) allowing the stock program to be replaced with a tune of your choice. This unit was introduced in 2016 and replaces the prior F3...
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Honda Engine Sim
Introduction The Honda Engine Sim was introduced to allow interactive bench testing of Honda ECUs. It supplies the signals from the distributor and many sensors so that an ECU can be fooled into...
View ArticleTroubleshooting: BURN2 Verification Failed
If you receive the dreaded “Verification Failed” message after trying to program a chip with the BURN2, there are only a few possible reasons. Fake chips. There are lots of fake 27SF512 chips floating...
View ArticleEnd Of Life Products
While we try to produce and support products for as long as we can, we can’t continue to make things forever. Often, product changes are prompted by the components required to build a product no...
View Article85 Corvette TPI 1226870
Introduction Unfortunately, the 1226870 is an oddball one-year one-model ECM that was only used on the 1985 corvette. It is for a TPI setup with an electronically controlled distributor and features...
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Ford – Speed Density ECMs
Introduction The first EFI ECMs used by Ford were speed-density featuring a MAP sensor and either a manual or hydraulically shifted automatic (C4/C6/AOD/etc) transmission along with electronically...
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88-89 Fox Body V8 MAF oddballs: A9S / 8LD
Introduction The Fox Body Mustang switched to using a Mass Air Flow meter to measure airflow in 1988 in California. Box codes “A9S” and “8LD” are known examples. Uses TFI distributor, sequential...
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About the “Data Trace” feature of our chip emulators
Introduction The ‘Data trace’ feature of our emulators is probably one of the most misunderstood features. Trace is intended to give you some idea of what portions of an emulated ROM are being used by...
View ArticleTurbo Mopar 85-93
We don’t have a lot of experience with these vehicles but they have a decent community providing tools for tuning the factory ECMs. Many of the ECMs can directly use 28 pin EPROMs like the SST27SF512...
View ArticleGround loops, or why power inverters can fry things
Quick Explanation / TL;DR: / READ ME If you have called to ask for help, one of the things we often ask you is, “Are you using a power inverter to power your laptop? Do you have your laptop plugged in...
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