2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

S4 & s5 rotor weight

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Old Jul 19, 2006 | 02:58 PM
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S4 & s5 rotor weight

I need to know how much the s4 and s5 rotors weigh so i can find out if a rotor i have here is 4 or 5.
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Old Jul 19, 2006 | 03:01 PM
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http://www.mazdatrix.com/faq/rotorwgt.htm
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Old Jul 19, 2006 | 03:14 PM
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S4 rotors have cast compression reliefs, S5 have machined reliefs. easy to identify however n/a to turbo is a little tougher to differentiate.
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Old Jul 19, 2006 | 03:20 PM
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Originally Posted by Karack
S4 rotors have cast compression reliefs, S5 have machined reliefs. easy to identify however n/a to turbo is a little tougher to differentiate.
don't know what that is but seen a 93+ rotor is the same weight as a s5 and the 93+ i have is lighter then the s4 that works for me
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Old Jul 19, 2006 | 03:30 PM
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The indentations on the s4 are kinda rough, where I assume they are smoother on s5
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Old Jul 19, 2006 | 03:32 PM
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Originally Posted by Karack
S4 rotors have cast compression reliefs, S5 have machined reliefs. easy to identify however n/a to turbo is a little tougher to differentiate.
Oh crap

but the rotors I used for my rebuild came out of my S4 TII mazda reman that overheated, one was smooth as hell and the other was rough

Last edited by carzy driver; Jul 19, 2006 at 03:35 PM.
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