Injector resistance values?

[rnoswal]

I have been looking for injectors for my 87 turbo and have been finding many on ebay that say they will work in my car, but I am finding they are high impedance and not the low numbers for the injectors. I don't know if all the mk111 injectors are low impedance though. Can anyone tell me if that is the case? Did they change from low to high after a certain year? I got a set that had the purple tops from a Lexus 400 a while back, but they were high resistance and of course did not work.

Thanks

Russ