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Old 03-29-2015, 10:01 PM
lippy lippy is offline
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Join Date: Apr 2012
Location: Bay Area (Peninsula), CA
Cobra Make, Engine: ERA 427, 427/487 side-oiler
Posts: 1,248
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One lingering problem I had was that my plugs were fouling with fuel. It was a tough nut to crack but I finally did. Turns out that with such a big cam, you need to run almost full advance at idle. I purchased a 10 degree MSD bushing from 4secondsflat.com, set my full advance at 36, and my initial at 26, and it solved the problem. At that point I wasn't using the wideband anymore to chase this problem. I left the wideband on just for WOT and tuning about 3k RPM, and I think I got it pretty close. Plugs look good now, even when I cut them apart, and I took the wideband off.
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