Shouldn't. That's actually very similar to how the Trackmasters ECU bracket orients our ECUs. Just make SURE that your ECU isn't grounded. I chose to forego the metal hardware Trackmasters provided me and used nylon bolts and nuts to keep everything insulated.
No, I only have a RMM at the moment. I'm ordering a TMM next paycheck. That half inch doesn't seem to be a whole lot, but it's better than it sitting directly on it.
I completely agree. Will any amount of tape assist in protecting it? Just in case? I have a 51R battery in the stock box right now... I'm thinking about removing the battery box this weekend and trimming the box back an inch or two and creating a new bracket to hold the ecu to the battery box.