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Bad track day: Need advice on brake caliper upgrade

MacRadiators

MacRadiators

Passed Driver's Ed
When it come to track SRF has no equals in the world of brake fluid.
a cheap BBK with oversized discs should help dissipate heat more effectively , the worse part is the added weight
350x32 ML discs are so heavy at 13.5kg/rotor

I choose a setup 340x30mm brembo discs from TTS audi + cayenne 18zl calipers.
discs are only 10kg/piece, trying to keep rotating mass as low as possible
Wheels as light as possible also help



 
ncsugray90

ncsugray90

Ready to race!
jay745 said:
I haven't been happy with rbf600 this season. It overheats towards the end of track sessions for me. I have a stoptech st40 bbk and using carbotech xp10 pads too. Switching to Castrol SRF for next season.
Click to expand...
Hmm, that's concerning. I'm running RBF600 with stock calipers and am going to a very brake intensive track in abooooout an hour. I guess I'll see how they hold up, but it's been good to me so far and got a fresh flush yesterday

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C

carsfeverguy

Go Kart Champion
MacRadiators said:
When it come to track SRF has no equals in the world of brake fluid.
a cheap BBK with oversized discs should help dissipate heat more effectively , the worse part is the added weight
350x32 ML discs are so heavy at 13.5kg/rotor

I choose a setup 340x30mm brembo discs from TTS audi + cayenne 18zl calipers.
discs are only 10kg/piece, trying to keep rotating mass as low as possible
Wheels as light as possible also help



Click to expand...





That extra 3.5 kg is actually a good thing as it gives you more heat capacity.

Also the stock cayene setup uses a 34 mm disk, so using a 30mm disk means that the pistons have to travel an extra 2mm on either side out of the caliper housing. This may matter more as the pad gets more worn.
 
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