I've seen the injectors listed at the same flow and at higher flow 40 for 4.3 and 45 for 5.0 but never lower for the 5.0 . I tried the 5.0 injectors and a diffrent IAC in the 4.3 throttle body and still had iddle problems. I think the throttle body in was bad inside. I might try the 4.3 injectors in the 5.0 throttle body some time and see how it runs. Most of the diffrence should be at warm up before closed loop and at wide open throttle.
