Later 7.3's used powdered metal connecting rods. Perfectly fine with stock power levels. Not so good if you're going for max power.

I was a regular on a Ford diesel forum when the 6.0 came out. Avoid, avoid, avoid. 6.4 and later I haven't been following, so I'm not so sure about them.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.