Rotor Question
Registered User
Joined: Dec 2003
Posts: 2,514
Likes: 5
From: Marietta, Georgia
A 28mm x 11.08" Q45 rotor weighs less than 20 pounds ~~19lbs...........G35 had various stock rotors depending on year and Brembo.
Fronts usually weigh 40-50% more than rears.
Rotor weight is critical and the heavier the better in most cases, as a 10% increase in weight will lower [spread] the heat rise from braking by 10%.
Easy to calculate the heat rise of rotors if you know car weight and stopping time............and rotor weight.
Fronts usually weigh 40-50% more than rears.
Rotor weight is critical and the heavier the better in most cases, as a 10% increase in weight will lower [spread] the heat rise from braking by 10%.
Easy to calculate the heat rise of rotors if you know car weight and stopping time............and rotor weight.
Registered User
Joined: Oct 2004
Posts: 98
Likes: 0
From: Texas
Got them on!
I weighed all four rotors when they arrived 61.5 lbs. OEM rotors weighed 56.5 lbs a 5 lb difference. Thought the drilled slotted rotors would weigh less to my surprise that was not the case. So far I am pleased with look and fit, and quality. There is a better braking feel and the pads they provided appear to be low dust (no black wheels) and quiet at this point. Will keep you updated after a few more months of driving.
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