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Old 07-20-2018, 10:32 AM   #7
Heat Seeker WS6
 
Drives: 1993 Trans Am
Join Date: Jul 2017
Location: Milwaukee, WI
Posts: 2
Hey guys for the info so far & thanks Grim for starting this thread!

So Grim's question pertains to my car. I have a 93 T/A that I'm heavily modifying and for the new front brake setup I choose are 2012-2015 14.6" ZL1 rotors with the gen2 cts-v 6 piston calipers that will be going onto '98-'02 4th gen fbody spindles. I already have all these parts.

The ZL1 rotor won't fit onto a 4th gen's larger hub so the hat's opening has to be enlarged a few mm to fit. We are using a cnc machine here at work to compare the OEM rotor's hub opening to the ZL1 and then its going to do the work. I separated the hat from the outer ring for the cnc process so now I need the torque spec to properly get them back together.

Also, wanting to know if there are just the outer brake disks available so I'm not machining each set of new rotors I buy.

But if it comes down to it, I can just get replacement rotors and swap the fresh hardware and outer rotor disks onto the fitted hats.

As for the rest of the car, I pulled its LT1 & 4L60 in favor of an LS9 supercharged 6.2. Haven't decided on trans yet- either a paddle shifted (very built) 6L80 or a T56 with the S1 sequential shifter.

thanks again and any more info & recommendations anyone has is very much appreciated!

John
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