Since the Microtech doesnt care (as long as either pair are matched resistances) and RC Engineering has the same prices for either resistance values (for 750cc ones) which ones should I go with? I was going with peak and hold low resistance ones. Something about less amperage draw, right?

 

6 of one, half a dozen of the other. Unless you are planning on running more then 4 injectors on each bank it shouldn't be an issue.

 

So 4 low resistance ones should be good?

 

Yep.