Essentially, this would allow us to bolt this bracket to our spindles and then bolt on the z06 calipers. The IS-F rotor seems to have the same depth and backspacing the TT rotors do, which plays in our favor.
This means we could have a 14.25" 6pot caliper setup that fits behind 18" wheels for less than 1500(depending on your sources for parts). Also, easier to source parts for vs the older TT setup.
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Very few people do the TT setup since the 2LS calipers are within mm in size and performance, but lighter and much much cheaper.
the 6 piston PBR are a less than ideal design for the track, many z06 owners upgrade to later model CTS-V Brembo 4pots as they work better.
1. Black on Black 1999 LS400 PM-spec
-Maya-Megan-Magnaflow-LSportline-Xenondepot-PPE Engineering-Duce-Platinum VIP-Figs Engineering-R1Concepts-
2. 1989 Toyota Supra white package
Current Status: -500 Internal System Error-
3. Black 2004 IS300 -Manaray-HKS-Eibach-
4. Ebony Teal 1995 LS400 11-8-06
This or any other brake upgrade has no impact on the stock booster. You are likely mistaking the booster for the master, and if the area of the piston bores is similar, you likely won't notice much if any difference in brake feel.
If it were me, I'd just do something similar with Wilwood calipers and ISF rotors!