Compression Ignition Addict
Join Date: Sep 2010
Location: Beautiful BC
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I found the same thing when I switched from Motorcraft 15w40 to Mobil Delvac 5w40 full syn. After a couple of days the injectors did quiet down quite a bit! Also fixed my bit of a stiction issue I was starting to have on the first cold start every morning.
1991 Ranger - 38" TSL's, 3 link, One tons, 5.38s on King air shocks....under construction.
1997 Ranger - reg cab flare side, 3.0L, M5OD-R1, 4x4, 31x10.50r15 MT's.
2008 F350 - Crewcab short bed, 6.4L diesel, H&S XRT Pro, AFE DOC/DPF delete
1972 Mustang Coupe - 302, c4, 9", 4.11's locked.