Hello forum. Been a while since I posted here. My setup is Series 5 13BT street ported, t04 turbo, walbro 255, Microtech ltx-8 standalone, fuel pressure regulator, and 3in turbo back exhaust.

Originally, and this was years ago, my car was in a local shop and they told me they put in 1600cc's and 800cc's along with my new T04. But ever since then (and they also tried to tune my microtech and failed) my car runs okay driving normally, but when you are 75% throttle or more the motor spudders and loses power (which I think was the reason for blowing the apex seal, before a rebuild).

So the other day, I pulled the injectors out and discovered that not only am I running two different brand injectors, but they are different impedance as well (Pictured below in attachment). I am thinking that the Denso high impedance ???cc injectors are running a different frequency than the RC Engineering's low impedance 1600's. This HAS to be the reason why my car hesitates under loads. I have troubleshooted many other things and this is the only one that sticks out like a sore thumb. And to top things off, I don't see a resistor pack for the low impedance injectors, but I have also heard that the Microtech can compensate for that?

So I'm not sure if I should buy a pair of low impedance 800cc RC Engineering injectors to match the 1600's
-- OR --
Buy two new sets of injectors, both at high impedance.

Input? Thanks in advance!