All the 98+ 3.2/3.5 have the same oil issue. Just a matter of time as to who gets it when. Mine used to burn 1 qt every 3k for the longest time. Now its at least 1 qt every 1k miles but even that varies a lot. It can burn 1qt in 100 miles then nothing for the next several hundred. If I'm doing a lot of engine braking, like coming back down a trial, it burns enough that I can smell it.
Best is to go with 1/2" grade 8 bolts. If you are mounted to the tow hooks like the factory one does then cutting a hole and putting a shackle in there works even better. Thats how mine are mounted and even slamming many rocks really hard it never budged.drilled & tapped 8 holes for 3/8x16 bolts.
Notice the bent/smashed lower cross bar and bent up lower parts of the uprights.
Mike (Protetype) had his mounted with the 3/8" bolts that came with it. He rear ended a RAV4 at low speed. The lower bolts sheared allowing it to pivot and it did $5500 in damage.