Originally Posted by Jerry Bransford
No but if you're thinking of installing higher flow injectors, don't bother. The ECM (engine computer) will cut the FI pulse duration length so the same amount of fuel will get into the combustion chambers no matter how much the injectors are capable of. The ECM wants a specific air-fuel ratio and it'll do whatever it takes to achieve it.
Question Jerry? Why are the guys reporting more power? I have also seen dyno's with 99+ intake and injectors that show more power too? Confused.
'97 Cherokee, 99+ intake, 62mm TB, 703 injectors (new), k&n intake, Hypertech III, 180* stat (1/8" drilled hole), 2.5" manifold 2 tail pipe (Hooker Maxflow & hi flow cat), Perf header, 4.5" zone lift, 32" GY Dura Trac, Rear head rests. Comp cam "231" & Perf head (LS1 BIG valves 2.02/1.62). 3 row alum radiator.