I’ve got a 21228 as well. I just crossed 10K miles.21228 here almost 8000 miles.
Just hit 5k miles and still strong. Definitely stressing the engine. Last weekend it’s was 107 degrees in the desert and I drove from 2200ft to 4500ft above sea level on a 2hr trip.1700 miles, Engine Build Date: 22066(March 7th 2022). Haven't heard any 22' failures yet, fingers crossed.
Wow! 42k! That’s a lot of miles! I have 22k on my 21228 2.7 engine and I thought I had high mileage.Look at all this flexing on mileage (and altitude)....
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It's actually over 42,500 now.
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I'm now at 11,700 miles, lifted on true 35's and still running strong... Averaging about 19mpg.1800 miles here so far.... Alive and kickin... Engine Julian date 21305. Nov. 1st.![]()