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Disc Brake Rotor Thickness, ok?? #193722 01/14/09 08:29 PM 01/14/09 08:29 PM
Joined: Sep 2005 Posts: 1,978 USA S Suregrip391 OP top fuel
Suregrip391 OP top fuel S Joined: Sep 2005 Posts: 1,978 USA	I have a pair of disc brake rotors from a 73 Dart, they have surface rust on them from sitting, I was going to take them and have the bead blasted clean and then machined (turned). The thickness on them is .988" Does anyone know what they measure new? and what the minimum should be? Are these worth saving? Thanks!

Re: Disc Brake Rotor Thickness, ok?? [Re: Suregrip391] #193723 01/14/09 08:43 PM 01/14/09 08:43 PM
Joined: Nov 2004 Posts: 9,312 SoCal 68HemiB master
68HemiB master Joined: Nov 2004 Posts: 9,312 SoCal	Don't know the typical thickness new. Don't know positively the minimum, but I believe it to be .970" There is a high probability that the minimum is cast into the hub somewhere under your rust... Down to just a blue car now.

Re: Disc Brake Rotor Thickness, ok?? [Re: 68HemiB] #193724 01/14/09 08:47 PM 01/14/09 08:47 PM
Joined: Sep 2005 Posts: 1,978 USA S Suregrip391 OP top fuel
Suregrip391 OP top fuel S Joined: Sep 2005 Posts: 1,978 USA	Thanks for the info, actually I just looked at the autozone.com website and they list it all, the Nominal thickness is 1.010", the Minimal is .970", and the Discard thickness is .940" Looks like I am good to go! Appreciate the response though..:)

Re: Disc Brake Rotor Thickness, ok?? [Re: Suregrip391] #193725 01/14/09 11:02 PM 01/14/09 11:02 PM
Joined: Mar 2003 Posts: 18,678 Fresno, CA Jim_Lusk I Live Here
Jim_Lusk I Live Here Joined: Mar 2003 Posts: 18,678 Fresno, CA	Bead blast them and run them. I don't cut rotors unless I absolutely have to.

Re: Disc Brake Rotor Thickness, ok?? [Re: Jim_Lusk] #193726 01/15/09 07:35 PM 01/15/09 07:35 PM
Joined: Sep 2005 Posts: 1,978 USA S Suregrip391 OP top fuel
Suregrip391 OP top fuel S Joined: Sep 2005 Posts: 1,978 USA	Thanks Jim, I will have them bead blasted and see how they look. Appreciate the replies guys!

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