Took the truck to do karate mom stuff because the ac is so cold. A nice young man asked me if my bumper sag was on purpose....
Guess that's next on the list hahahaYou must be registered for see images
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The pump definitely changes pitch depending on what’s going through it.Changed my prefilter before my FSV. Light had been coming on when running the rear tank. Crawled under there and the filter was wet. I could blame it on the cheap $3 filter but I was running unfiltered waste hydraulic oil in that tank so it was probably plugged anyway lol.
Funny how if you listen you can hear the difference switching tanks between the oil mix abd straight diesel.
As does your timing
Yep exactly, you’ll notice a similar change in pitch by pushing in the advance arm while at idleI'm guessing that would be a result of the viscosity difference on the pump internals?