Originally Posted by tractorman
The pounds means pounds of fuel they flow per hour.
The PCM won't compensate for the larger injectors, it only knows what size they are if you retune and program the PCM the size of injector. So larger injectors without a tune will equal tons of extra fuel.
This is called "scaling the pulsewidth" - also, you need to adjust the latency.
This is a waste of money for a stock engine truck if you ask me (I only tune cars professionally, so what do I know! Jeeesh!)