Quote:
Originally Posted by onelove
I can tell you with certainty that I've never had kick back issues with my Stoptechs and heavy braking on NT01s and DTC70s (Hawks pretty much full race pad), that being said I haven't run them on full Hoosiers yet, but will in the near future and don't anticipate the only problem. The only issue I have had since going to track pads was a slight shimmy in the rear under super hard braking, which has turned out to be my RTABs. When you get to that point everything pretty much needs to be gone through with spherical bearings or solid mounts as the suspension "give" can't be confused with the tires slip angles when driving a full slick.
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That is good news for the flex in the Z4 hub.
We did not experience it on Nittos, we only had the issue on Slicks or Hoosiers. With them G's, something will give on a stock car.
The C6 OEM caliper was a pain with the padlets (3 per caliper). GM was aware of the flex and when we swapped back to padlets, the issues went away. At the time no one made a decent race pad for the C6 Z06. Thus simplify, or so we thought, with Stoptech or a BBK.
Don't get me wrong, I don't think Stoptech is the issue, I think ANY Monblock style is the issue. I have very high regard for the Stoptech product and use it on other cars. They do their home work on bias and max the OEM master and prop valves. Brembo had the better true floating rotor design at that time. that should help some with kick back. But some systems use an adjustable prop valve, not so good for a driver/tracker car.
If the Z4 does not get the same level of flex , then we are good. I just don't know. The poster quoted here, has a real world level of experience with them on a car running Nitto's. If that is what you run, it sounds like good advice.
If you are going to be more aggressive, it seams to me, with far more M3's running a similar spindle , hub and caliper, we can make a few assumptions when it comes to our cars. Just saying I would do my homework.
The best advise I can give is too let a real Pro drive the car. If you can't beat or match their times, more seat time is required. Period.
IMO Trying to replace skill with parts is a bit of a losing battle. Seat time is king. I know crap 70's Alpha's or 95-08 M3's with good drivers that will out run R8's and Stradale's , Zo6's and Ford GT's. Sure you can buy your way around some cars. But what fun is that?
Honestly, nothing feels better than to wax a car with with twice the HP
22 Tracks days is about the same $'s as a BBK. Or go to a really good school. Personally I like Spring Mtn in Pahrump Nevada. Great training track and you will come back 4-10 secs faster depending on your current level. Tell Dave and Victor what you want to achieve.