Had a local trusted shop do my last oil change due to being to busy. After about 1000 miles I noticed the "typewriter tick" was really bad. It was driving me nuts and a few fellow employees asked why it was doing this. Called the shop and sure enough they used the Shell Rotella. Fast forward 6500 miles and I personally changed the oil to the Delo 400. Within 300 miles the truck was nice and quiet again.
Also did a Blackstone oil sample. Engine has 195k on it.
Sent from my LGLS991 using Tapatalk
Also did a Blackstone oil sample. Engine has 195k on it.
Sent from my LGLS991 using Tapatalk
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