I'd like to know the year of that 7.3.
If newer, say 23'+ I'd be concerned that ford hasn't addressed the cam/lifter delaminating issue.
Odd that the 7.3 they tore into died of the exact flaw we've heard about.
From a robustness standpoint, both the 7.3, and 6.6 are absurdly overbuilt.
I owned a Grand Prix for over 5 years, daily drove it everyday. Had my truck for 8-9 years now, daily drove it for 5-6 years. Many other vehicles in that same time frame I listed above, always ran wix filters in all of them.
I'm not easy on any of my vehicles either. Added more boost with the supercharged pontiac, tuned my truck and added parts to that. Have a foxbody with a 6.0 turbo setup now, all with those filters and good oil. I'm not being defensive, I just think people go way into the weeds with some of this stuff.
I've pulled apart so many engines out of clapped out vehicles destined for the scrap pile. Some piece of junk work truck where you knew the guy didn't take care of it. Running some cheap valvoline instant oil change or fram filter on it, pulled the bearings and they looked pretty dam good for cheap filters. Oil is so good now, it just works and a filter is better than no filter even if they are cheap.
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