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the emanage blue is a fancy MAF interceptor with lots of other feature. I would not use anything to fool the ecu with altered afm signal, as this changes how the ECU see engine load, which is a quick way to blow up an engine.
the emanage ultimate is a piggy back that have its own injector drivers, timing control and alot of features, and dont require to alter AFM signal to change injector duty cycle.
both are piggy back units.
I have the ultimate and it works fine, been running for about 1 year, as long as its in open loop mode. otherwise the stock ecu will fight to get the engine to burn at 14.7:1 AFR, that meas massive fuel trim changes in both the EMU and Factory ECU if you use AFR Target in closed loop operation. Greddy have developed the F-Manage to remedy the problem but I have not seen it in the american market.
I have a adjustable o2 signal generator that I am going to feed it the the stock ecu to see 14.7 all the time and will try to see if it will work good with the ultimate in full EGO feed back control.
I also have build a MSII to use in parallel mode if the ultimate don't perform like I wanted to.
but all the comes after I finish swapping out the blown engine.
which I will be dropping the engine out and swapping external parts tomorrow.
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