- Banned
- #16
It seems that once a company decides they've got anti-lock on a car, they completely disregard mechanical brake bias. It's a pretty bizarre practice, but I've seen it on several occasions, and it's not necessarily one way or the other. I can understand a rear-bias, because that would tend to put more heat/wear to the rear in events which were under threshold, but lord help you if the electronics fail.
Most brake companies make sports car brakes which have a fairly high mu, aggressive bite front pad and a very benign rear pad with nice modulation characteristics to avoid locking or excessive ABS modulation. On the front, you can run something with a ton of bite and mu, but the rear is a different story. Some portion of the hydraulic split may be to accommodate this difference.
This is the Pagid pad options:
It's not uncommon to run any version of RST 1-5 on the front of a car with the RST D1 on the rear.
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As far as either 6-pot brake system in general, they seem unnecessarily large to me. The GT 4-piston caliper has plenty of disc, piston and pad area, as does the single pot rear sliding caliper. The biggest issue has got to be the absolute lack of cooling to the disc by putting the venting on the wheel side of the disc. That's just stupid on a performance car.
I think most people with anywhere near stock power levels could be perfectly happy on track with:
Most brake companies make sports car brakes which have a fairly high mu, aggressive bite front pad and a very benign rear pad with nice modulation characteristics to avoid locking or excessive ABS modulation. On the front, you can run something with a ton of bite and mu, but the rear is a different story. Some portion of the hydraulic split may be to accommodate this difference.
This is the Pagid pad options:
It's not uncommon to run any version of RST 1-5 on the front of a car with the RST D1 on the rear.
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As far as either 6-pot brake system in general, they seem unnecessarily large to me. The GT 4-piston caliper has plenty of disc, piston and pad area, as does the single pot rear sliding caliper. The biggest issue has got to be the absolute lack of cooling to the disc by putting the venting on the wheel side of the disc. That's just stupid on a performance car.
I think most people with anywhere near stock power levels could be perfectly happy on track with:
- Racing pads (not HP street) from any good racing manufacturer. (PFC, Hawk, Pagid, Ferrodo, etc.)
- Fresh racing brake fluid. (PFC, Motul, AP, Castrol, etc.)
- 2 piece discs of stock size, but with the venting to the inside of the hat. I personally prefer PFC discs, but there are reasonable alternatives.
- Some sort of real cooling to the brakes, like the FTBR kit or just a couple scoops and some 2" brake hose pointed to the inside of the disc & out the venting.
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