Brake Q's for autocross/track

Solidjake · 04-25-2018, 02:24 PM

Any reason to stick with the 600 over the 660 fluid?

MacklinUSOB · 04-25-2018, 03:29 PM

Quote:

Originally Posted by Solidjake

Any reason to stick with the 600 over the 660 fluid?

Considering the cost of the 660 I would jump up to SRF fluid for another 10 bucks a liter or so. The 600 is a great fluid for the price, the 660, not so much.

Castrol SRF (63$/Liter~) Dry: 310Â°C (590Â°F) Wet: 270Â°C (518Â°F)
Motul 660 (55$/Liter~) Dry: 325Â°C (617Â°F) Wet: 204Â°C (400Â°F)
Motul 600 (35$/Liter~) Dry: 312Â°C (594Â°F) Wet: 204Â°C (399Â°F)

Wet boiling point is the most important factor and it is clear which one wins.

Niart906 · 04-25-2018, 05:29 PM

Quote:

Originally Posted by MacklinUSOB

Considering the cost of the 660 I would jump up to SRF fluid for another 10 bucks a liter or so. The 600 is a great fluid for the price, the 660, not so much.

Castrol SRF (35$/Liter~) Dry: 310°C (590°F) Wet: 270°C (518°F)
Motul 660 (55$/Liter~) Dry: 325°C (617°F) Wet: 204°C (400°F)
Motul 600 (63$/Liter~) Dry: 312°C (594°F) Wet: 204°C (399°F)

Wet boiling point is the most important factor and it is clear which one wins.

Where are you seeing SRF for $35 a liter? Amazon has it for $67 a liter, RBF600 is $18 for 500mL.

MacklinUSOB · 04-25-2018, 05:34 PM

Quote:

Originally Posted by Niart906

Where are you seeing SRF for $35 a liter? Amazon has it for $67 a liter, RBF600 is $18 for 500mL.

Swapped 600 and SRF prices inadvertently. See edit.

pjo33us · 05-15-2018, 12:34 PM

IDK if anyone mentioned this, but you could upgrade your whole system for around $2000 to the Brembo M-Performance kit. Does not sound like what you want, or maybe have budget for, but I thought you should know the option is out there. $2000 for "big" brakes is a pretty good deal. I did this and sport springs to my new F30 right after I changed out all the fluids and it is outstanding! I autocrossed the car 2 weeks ago and it felt great. I have fresh ATE Type 200 fluid.

04-25-2018, 02:24 PM	#23
Solidjake ¯\_(ツ)_/¯ 945 Rep 1,762 Posts Drives: '13 328i Msport 6MT Join Date: Jun 2009 Location: NYC/SNJ iTrader: (2)	Any reason to stick with the 600 over the 660 fluid? __________________ Tensioner/belt DIY \| Side skirt extension DIY Apex SM-10/DWS06+ \| 400m/X-ice Xi3 \| Injen Exhaust \| Stoptech SS Lines \| 335 Front Brakes Hawk HPS 5.0 \| RBF600 \| ER Charge Pipes \| Wagner Evo Comp 2 FMIC
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05-15-2018, 12:34 PM	#27
pjo33us Registered 0 Rep 1 Posts Drives: E90, E36 Join Date: Jan 2018 Location: Colorado Springs iTrader: (0)	IDK if anyone mentioned this, but you could upgrade your whole system for around $2000 to the Brembo M-Performance kit. Does not sound like what you want, or maybe have budget for, but I thought you should know the option is out there. $2000 for "big" brakes is a pretty good deal. I did this and sport springs to my new F30 right after I changed out all the fluids and it is outstanding! I autocrossed the car 2 weeks ago and it felt great. I have fresh ATE Type 200 fluid.
	Appreciate 0 Quote