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Originally Posted by KaienZ34 I know we can't run dot 5, what about Motul 5.1 ? DOT 5.1 is chemically compatible with DOT 4, but it's not ideal to mix
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DOT 5.1 is chemically compatible with DOT 4, but it's not ideal to mix them. 5.1 has a lower viscosity specific to ABS systems. The thinner fluid helps the valve response, yet it doesn't provide the same pedal feel as the best DOT 4 fluids.
If you track the car at all, it's worth spending a few extra bucks for a top fluid (like the best, Torque RT700) as you won't have to flush it nearly as often. Some teams I work with are getting 3-4 times the life, a few even more. Their crew is very happy they don't need to flush every day at the track. If your car rarely sees the track, look for the cheapest fluid with the same specs as the Motul product. After all, it will be the same exact fluid made in the exact same UK factory as theirs is. Only the bottle is different. Chris |
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While the RBF600 is great fluid, I don't think there's any doubt that there are better fluids out there. Castrol SRF and Torque RT700 both have higher wet and dry boiling points
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RBF600 is definitely old school at this point and, for what it is, overpriced. The exact same fluid is found for half the price elsewhere. RBF660 is a little better (also made for Motul by the same company), but does not approach SRF, much less RT700. Chris |
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Thanks for all the input guys. I couldn't find what I wanted local, so I had Z1 throw some motul rbf 600 in with the xp10's and xp8's I ordered.
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You said it was the "best hands down". That's all I was responding to. I mean, I use the same damn fluid. It's the best for me (and probably most any one in a Z). But the fact remains, there are better fluids. However much, cost does not factor into how they perform in your vehicle. If you had said "best performance for cost" I would not have said anything. 'All around' is a bit vague and doesn't necessarily imply factors outside of performance are included
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Yes, money out of pocket, performance, using for what we all do here (don't see to many pros here in PWC or conti series) it is. A 20 min session for us isn't going to show a performance gain getting fluid that's a few degrees better. I get what you're saying though.
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So let's say i want a good quality fluid, for a car i appreciate the brakes on, occasional hard drive, possibility of a track visit once a year.
Trying not to spend a bunch of cash, but don't want regular stuff either...
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For the money, Motul 600. Then go up from there.
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For the money, you can use any of these fluids that are the exact same fluid as RBF600, yet some are priced lower (some under $8/bottle):
In alphabetical order: AP Racing, Brembo, EBC Brakes, Elf/Total, Eneos, Ferodo, Gulf, Millers Oil, Pagid, Pentosin, PFC, Silkolene, StopTech, Tarox, Tilton, Wilwood Just look at the specs to see which one is the match for the 600 (too detailed to type it all here). These are not all of them, just what I have had verified since about 9 months ago. Most of these brands also have versions that match up with the 660. Chris |
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For me. Motul 600 is easy and cheap to get at the motorcyle shop.
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