Join Date: Mar 2014
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One of the fears with each oil change is the dreaded "typewriter noise" that the 6.7 can develop after an oil change for no apparent reason. If you aren't familiar with it just do a search and you'll find many threads regarding it. It's harmless to your engine, a real aggravation if you don't like added noises.
Personally, I left my break-in oil in a little long and changed it at 4,000 miles hoping it would help avoid the typewriter noise (it didn't). The next oil change at 7K. I change every 3K.
Ordered Sept 26: 2017 F350 CCSB King Ranch 6.7
2002 F250 ECLB, XLT, 7.3 PSD, 4X4, Auto, TW 6pos. Tuner, 4" SS Exhaust, Britebox, EZ Down tailgate assist, Rear Air Bags, 6.0 trans cooler, Wicked Wheel 2, Corey's HPX, Dieselsite Water pump w/built-in filter, 203 degree thermostat, Max A/C assist, Oil drain valve, Non EBV pedestal & Flange, S.S. bellowed up pipes, Dieselsite Lifetime Rad. hoses & Intercooler hoses, New oil cooler, CTS Insight monitor,