The rust belt destroys the steel. It can actually swell the bolts and nuts and they will not come out. Granted, most larger fasteners will come out. I personally have had bolts that normally aren't rusty snap off. Like belt adjusting bolts..
It really depends on whether the rigs were maintained and taken care of or not.
For those of us that live in it. It's just simply a way of life. I learned to embrace it and work around it as that is all we can do..
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7 3rd gens listed in the build thread (2 are parts mobiles)
Build Thread:
https://www.toyota-4runner.org/3rd-g...os-builds.html
Brillo's Bucket Fluid Ex changer:
https://www.toyota-4runner.org/3rd-g...ml#post3358086
Sparks Plugs Wire and Coil Information:
https://www.toyota-4runner.org/3rd-g...on-5vz-fe.html