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Discussion Starter · #1 ·
Greetings all - first time posting here but have been reading with much interest. I have an early 2006 F350, truck build date on tag shows 1/06. I've seen a lot of references to post 1/06 build date engines being "better". How do I determine the build date of the engine? The Navistar sticker on valve cover says 2006 on it with some model numbers, but is there a more precise way and what are the improvements of the '05 versus the post 1/06 builds anyway?

Newbie here, but have started with the EGR delete and coolant flush so far.

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