Forum Discussion
Hannibal
Mar 08, 2012Explorer
There's no red on the tach. 4500rpm is normal operating rpm for the 5.4L under load. Won't hurt a thing. The videos sounded like a nice quiet ride to me. But, I'm glad you're happy and worry free now. We're very happy and worry free with our 5.4L as well. If not, I would have traded it for my 7th diesel long before now.
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