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OP: I second (third?) the DOT4 brake fluid. As to what you should use, a few things to consider:
-Typical daily vehicles use Dot3 fluid by default, and that is likely what you have in your Camaro right now. Although Dot3 isn't designed to hold up to a lot of heat (such as is generated by braking while track driving), it doesn't absorb much moisture over it's lifespan of daily use in the vehicle. And that's why it's safe enough for long term daily use.
- Most of the guys who track their cars, me included, use Castrol SRF because its wet (moisture saturated) boiling point is higher than most other Dot 4 fluid dry (little to no moisture yet in the fluid) boiling point, AND because of this, we can run that fluid for a whole year's worth of track events without changing it. It comes out looking like it went in.
-Motol 600 is cheaper and initially OK, but it only lasts 1 or 2 track events before it gets moist quickly and will need to be bled, if not completely flushed (changed out). It comes out looking a lot darker than when it went in, which tells me it has degraded somewhat.
- If you only intend to do this one track event/weekend, you will likely be fine with the Motol 600. But because you daily drive your car, you may well need to change out the fluid back to a dot 3 afterward so that you have a fluid in their that will absorb a lot less moisture for the 1yr+ you are likely to leave it in there for daily driving (everyday vehicles go many years without having their brake fluid changed, and use dot3 accordingly). IF you go with Castrol SRF, it will cost a decent bit more, but you'll be able to leave it in for an entire year or more and within that time you'll be set for another track event should you get bitten by the bug and decide to do another.
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