Category: Electronics

Did you install a performance chip in a Honda P28 ECM, and it isn’t working? Having problems?   This is more common than you think, since many people install a chip themselves, even without experience soldering electronic parts. But even…

Many performance enthusiasts must have heard or read about dual chips. Dual chips have memory capacity that doubles the original chip’s, so two different, same-size programs can be stored on the new chip and selected on the fly with a…

This document covers installing a performance chip on a 1993-1995 BMW 325i or 525i ECU (Motronic DME).   E36 Model   First, locate the DME and remove it from the car. The DME is located under the hood, in the…

While this covers installing a chip on the USDM version (US Domestic Market) Honda P28 ECM, the procedure is the same for almost all 1992-1995 (OBD-I) Civic and Integra ECMs. All of them use the same circuit construction. These include,…

What are those infamous IAT resistor mods and performance modules, and how do they compare with real EPROM performance chips? Need a guide to try it out yourself? Find out here.   Some background   The ECM can do a…

Performance chips: What are they?       EPROM Tuning Chips   The chips referred to when talking about performance chips are EPROM memory chips or Flash EPROM memory chips which contain a program for running the engine (inside the…

Recently, we have seen a new racing performance scam: the “regulator performance chip”.   What is this new type of “performance part”?   I have read some auction and sales pages listing a “Performance Module,” which is nothing more than…