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I am running 8896-2 on the street. 500' 440-3 intake. Idle and midrange runs eye burning rich. I am running a progressive linkage and front butterflies open 1/3 before the rears start to open. Carb originally came with 1 to 1 soft progressive.I am running a 4.5 power valve in the front. plug in the back. Found my number 1 & 2 spark plugs black, back six are brown. Idle screws all 4 are set for highest vac. Could using a power valve be causing this? I have an air bleed assortment but have not changed anything yet. Wide open jetting is close. Its idle to about 3500 thats rich. Timing is at 36, have tried it all over the place, it seems to like 36. I am running an aftermarket 10degree bushing in msd with light springs. Idle timing is 26. Galen


I'd be very interested in what others are running, as I have the same setup and results on my 528 hemi. Plugs are very black, almost wet running at cruising speeds. I put larger primary air jets in to try and help some. Haven't really looked at anything else yet. Am wondering if it would be just better throwing in the towel with the dominater and going to 1000 or 950 style 4150 carb?

Yeah, it's got a hemi........a REAL hemi.