Quote:
Originally Posted by StrokeThis347
Stock is Nissan DOT 3. The GTR is DOT 4 and more than likely is synthetic and has different additives in it.
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All brake fluid is synthetic.
Dot 4 has slightly higher wet and dry boiling points. Both are compatible with one another but not dot 5 (albeit dot 5.1 is also compatible with 3 & 4, but not 5).
IMO, at a minimal, dot 4 should be used in any high perf vehicle.