Brake wear - one more track day?
Discussion
Right, bit of a 'pub' question but here goes.
I have recently done my first airfield day in my (also)recently acquired Z4 2.5si. Needless to say I have the bug and am keen to get out again soon. The car ran well and covered just over 50 miles at Hullavington on standard tyres and pads. I have been looking at the pads and the front look like they have about 6mm left and the rears around 10mm. I am guessing that these are the same pads from new as the car has only done 9k. It didn't occur to me to check what was on the front before the day, partly as it had just come from the dealer for an oil change / brake fluid change who said the pads were all fine.
The question is will 6mm likely be enough for another session, assuming similar driving style and distance?
I have recently done my first airfield day in my (also)recently acquired Z4 2.5si. Needless to say I have the bug and am keen to get out again soon. The car ran well and covered just over 50 miles at Hullavington on standard tyres and pads. I have been looking at the pads and the front look like they have about 6mm left and the rears around 10mm. I am guessing that these are the same pads from new as the car has only done 9k. It didn't occur to me to check what was on the front before the day, partly as it had just come from the dealer for an oil change / brake fluid change who said the pads were all fine.
The question is will 6mm likely be enough for another session, assuming similar driving style and distance?
A new pad only has about 12mm so I recon yours could probably do that trackday several times over!
Don't forget to think about your fluid too. If it's old, a flush and bleed with new fluid will make a world of difference.
EDIT: Aah, you have brake fluid covered
Don't forget to think about your fluid too. If it's old, a flush and bleed with new fluid will make a world of difference.
EDIT: Aah, you have brake fluid covered
Edited by Classic Grad 98 on Tuesday 2nd August 22:41
The thinner the pad the more heat that is transferred and therefore the greater the risk of boiling the fluid. Personally I wouldn't start a track day on half worn pads. I tried it once when I first started tracking and didn't know better. The pedal went straight to the floor when I needed it most. It was not a nice feeling!
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