HyRev 7500 ECU box

halifaxhops said
That one from Autozone is a knockoff, fake TO3 transistor on it at a glance.

How to tell a "fake" ECU from a real one | For A Bodies Only Mopar Forum

So was the the one I bought from Rick E on his EBay Store

Fake transistor when I removed the potting when it failed
Clearly stamped C H I N A in dimples

Don’t shoot the