I've never been a big pickup/full size driver, but I've been reading Diesel Power for a couple years just to keep in touch with the technologies (filtration, alternative fuels, power generation, etc.).
I'd love to see a series on little mods you can do to make the KJ more livable AND have better longevity (fuel pump, replacement head, aftermarket lift from OME/etc. bypass filtration, centerfuge...the list goes on.
We've been doing our own research on all the topics for a while, so you may find good fodder for stories in the search dialog of this site.
Dan
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2005 Silver CRD Limited

245/75R16 GoodYear Duratracs
Fumoto drain | ProVent CCV Filter
Stanadyne FM100 filter | Cummins fuel pump
GDE Eco | SEGR | BoulderBars | FrankenLift | Frankenskids