FiTech EFI Tuning Forum

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ECU models

I am trying to know how many different ECU are used by FITECH on the throtte body units.

The reason why I am asking is that I got an opportunity to buy a 30003 ECU (the electronic units with wiring and terminals) and I want to tknow if this is compatible with my 39001 unit. They both are 4 injectors unit. of course the aluminium cover is different but the ECU is bolted into it.

Domxs

The 30003 has timing control features.  If you got the harness with ecu, you should be able to use your throttle body.  It will still be limited to 400hp unless you upgrade to the 4 bar regulator.