Lots of misconceptions here about how brake pads and rotors interact, but here's the tl;dr; version:
1. Bedding in brake pads/rotors is critical for maximum braking performance.
2. Regular driving (in any car) is not sufficient to maintain proper brake rotor conditioning.
3. If you can brake hard enough to engage ABS, stronger brakes will not result in reduced stopping distances.
Some much longer descriptions on brake bedding:
Brake Pad Bed-In
Stock Brake System Bed-in
To properly bed your brakes, perform a series of up to 10 60 mph to 10 mph stops where you are braking as hard as possible. Your brakes will be EXTREMELY hot after this and if they've never been bedded in before, they very likely will be smoking when you're done. DO NOT COME TO A COMPLETE STOP AT ANY TIME! If you come to a complete stop this will result in uneven pad deposits which can lead to "warped" rotors. Drive around normally for 10-15 minutes avoiding any complete stops to let the brakes cool off. The dedicated will repeat this another time!
-Warped- Brake Disc and Other Myths
Does anyone know of the Roadster is based on the S1 or S2 Elise? I found this thread:
Aluminium Brake Discs... - LotusTalk - The Lotus Cars Community
I assume based on the date of the thread that we would be S2 but curious if anyone knows - would help in the search.
Last edited by strider; 2012-05-01 at 11:16 PM.
Twilight Blue Roadster 2.5 - #1098 / Grey Model S Performance - #1459
On dry pavement ABS will keep you very close to threshold braking, certainly better than 99% of drivers can.
I'll repeat though... the Roadster brakes are decent if you clean off the brake dust and corrosion. If not then they are terrible, but that is not the fault of the brakes per se. I'm sure the Model S will have the same issue.
Yes the brakes could benefit from an upgrade, but if you don't keep them clean then even the best brakes available will suck.
Do you have before and after pictures of the rotors by any chance on what to look for or is it pretty obvious? Thanks.
I was told the regeneration is 70 kW on the Model S, on the high setting. Sounds like you might not be using the brakes a lot.
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