I've dropped in some Industrial Injection 20% injectors in my 6.4 when I rebuilt it. That and a Colt stage 2 cam. The truck hazes heavily at idle and at certain RPM (around 2,000-2,500) while climbing a grade (meaning decent throttle input), it surges pretty bad.
I have several custom tunes that I bought for the stock injectors several years ago and I like 1 or two of them pretty good. Does anyone have suggestions on what may need to be changed in the tune to clear up the haze and other general improvements?
I have tried adjusting the Pulsewidth to lean out the fuel below 6k psi fuel rail psi (it idles around 5k psi & .50ish PW) and smoothed it, just to see if that would change anything. It didn't. I would think it would require some timing changes and other tweaks.
Oh, and Industrial Injection have not been very forthcoming with specs (flow rates etc) for these injectors, so I don't have much data to go on besides the 15%-20% that they call them. They've also stated 50-60hp.
Any thoughts?