What is CROME?

CROME is a ROM Editor which lets you edit and add extra features to your stock OBD1 Honda ECU. This allows a Honda B/D/H series engine to effortlessly run forced induction systems (ie. turbo, supercharger) or individual throttle bodies like it was stock.

What can it do?

Open & Edit stock Honda OBD1 ROMs such as the P28, P30, P72, and more.checkcheckcheck
Colorized Tabular View to easily visualize values for fast editing.checkcheckcheck
Graph View for visualizing fuel and ignition curves.checkcheckcheck
RPM Adjustments such as rev limits and VTEC engagement.checkcheckcheck
Plugin System with a set of community developed plugins to enhance the capabilities of the stock ROM.checkcheckcheck
Data Logging feature for recording telemetry from the ECU.checkcheck
Live View of critical tuning information such as engine speed, manifold pressure, injector duration and duty cycle, water and air temperature, air-fuel ratios, and more.checkcheck
Lambda Logger intelligently keeps track of air-fuel ratios and displays it in tabular form, making it easy to determine which areas of the fuel map need more or less fuelcheckcheck
Auto-Tuner makes editing fuel tables as easy as a click of a button by intelligently using recorded lambda information to determine how much fuel to add or remove to meet the target values. checkcheck
Live Auto-Tuning uses the Auto-Tuner engine and automates the tuning process by continuously applying changes to the fuel maps while the vehicle is running. checkcheck
Smart Suggestion automatically performs all the tedious calculations of determining how much fuel to add or remove and presents it as the default value when invoking the Adjustments tool. checkcheck
CROME Gold ROM support means that you can get the rich features without the hassles of using plugins. checkcheck
Selectable Smart-Tracking let's you trace live runs using single cell, quad cell, and multi cell combinations for a more granular choice of recording. check
Selectable Auto-Adjustment improves to the basic Auto-Adjust feature by allowing row or column group adjustments to rapidly rough out a basemap into a near tuned setup in just a few iterations. check
Save Gold ROMS to keep a library of existing tunes and burn custom GOLD ROMs for customers. check

How much does it cost?


Where can I get it?

Latest Stable Build

Version: 1.7.4
Released On: Jan 6, 2024
Size: 2.9 mb