If you intend to run a charge cooler system in your Rev 3+ MR2, this is the ECU for you.
I've just acquired it for £100 posted so I'm listing it at the same.
markstevieandmads wrote:im thinking of going rev 3 management in my rev 2 and have a st205 chargecooler. Whats the benefits using a gt4 ecu?
Well, it runs the pump and warns of low fluid/pump fault, and, it's designed specifically to work with what you are installing.
Speak to Toxo or Shinny if they're still about.