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Old 03-15-2010, 03:09 AM   #64
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Join Date: Jul 2007
Location: Melb, Australia
Posts: 1,941
My Ride: E46 328, Jza80 Supra
Whilst the srf is comparable to rbf600 in terms of dry boiling point. 310 deg celcuis

the wet boiling point (in deg celcuis) is a fair bit higher. 270 SRF vs 214 RBF 600

So the SRF is better, and i think it resists water absorbtion more than the RBF600 too. So for street driving u need to change ur fluid less frequently. (kinda good when its just over $100 a litre)

that said ive got RBF600 in the supra now. Ill change to Castrol next time though probably
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