What size are your tires and wheels? What offset / back spacing?
I'm not a fan of silicon brake fluid.
DOT5 Pros:
Will not eat the paint and cause horrible rust when (not if) then master cylinder leaks all over the front shelf.
Fluid will last indefinitely provided it stays clean. Can be filtered and re-used.
Does not absorb water, so moisture from the atmosphere will not enter then system and cause rust.
Higher boiling point than DOT 3 or 4.
DOT5 Cons:
Expensive and harder to find than DOT 3/4.
More difficult to get all the air out.
If water does somehow get in, it will localize at low points and cause rust or possibly boil if at the caliper.
DOT 3/4 Pros:
Cheaper and easier to find.
Moisture does not collect at low points
DOT 3/4 Cons:
Will eat the paint off anything it touches
Will absorb moisture from the atmosphere.
Any water in the system spreads throughout and rusts everything, so regular flushing is required.