Unless you're repeatedly threshold braking (you better be on a closed course), you won't notice the difference between the two. Braking performance at the end of the fluid life will be lower with the RBF660 fluid compared to RBF600 due to the lower wet boiling point. Even so, you shouldn't be close to boiling either fluid on the street.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed |
Last edited by JARblue; 03-03-2017 at 12:14 PM.
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