73hls30 Posted December 5, 2005 Share Posted December 5, 2005 new rear idea: 1) 87 maxima brakes and rear 84 300zx na rotor; 11.4" solid rotor 2) 93 mustang brakes and front 84 300zx na rotor; 10.83" vented rotor would the loss of 0.57" be worth the gain in a vented rotor and additional pad area? i have both caliper and bracket sets. i'm just looking for different points of view on the rotor opotions. Quote Link to comment Share on other sites More sharing options...
blueovalz Posted December 5, 2005 Share Posted December 5, 2005 I don't think it will be so much of an issue as it would be on the front as the front brakes will take the brunt of the braking (and heating). The larger diameter solid rotor has a larger swept area and leverage, but it will not dissipate the heat as effectively as the vented. Unless you get down to the science and numbers of braking forces and heat dissipation, I don't know that the difference is appreciable. Quote Link to comment Share on other sites More sharing options...
JMortensen Posted December 5, 2005 Share Posted December 5, 2005 This spreadsheet might help you: http://sth2.com/Z-car/Brakemath.xls I don't really think the 1/4" difference in the two rotor setups is going to be that dramatic, in fact it might be that the increased pad area of the Mustang setup gives it more bias than the Maxima setup would have (I'm assuming the pad is bigger BTW, don't know that for sure). Once you know for sure you should be able to figure it out with the spreadsheet. If you don't have numbers, look online. I was able to find all of the parameters I needed except coefficient of friction for the pad, for which I used .4. Set the masters to the same size, unless you're running a dual master setup. Quote Link to comment Share on other sites More sharing options...
73hls30 Posted December 5, 2005 Author Share Posted December 5, 2005 max torque from the xls program has the maxima set-up 2429 and the mustang set-up 3609. 2042 is the max required on conservative estimates. how accurate is the program? 48.6% difference does not seem right... Quote Link to comment Share on other sites More sharing options...
JMortensen Posted December 5, 2005 Share Posted December 5, 2005 Should be pretty accurate, but I didn't put it together so... ??? Quote Link to comment Share on other sites More sharing options...
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