Quote:
Originally Posted by Adamf220
Thanks Mike that was very well written and very informative. And while yes there is definitely room for improvement with my current setup going to dba 2 piece rotors and super expensive pads. I'm currently running Powerstop track day spec pad and they work damn good for the price and Napa dot 4 which has been proven to be good as well. But is spending $800+ going to get me to the base of what a brembo would perform at be worth it? Who's to say, could be. So let's look at three options for brembos the STI, Grand Turismo, and the PP brakes. All use the same size rotor and pads, all have different piston sizes so each will have a different change on bias. So I guess you would have to know what the change is and if its in acceptable range does more rear bias work better more front? As close to stock?
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A/B testing stock vs frankenstein with a datalogger such as an AIM Solo DL or AIM Solo 2 DL, is pretty conclusive.
Every time I've seen this comparison done, the result is the same; the frankenstein "upgrade" dramatically hurts stopping distances.
If your metric is disc life, rather than stopping distance, well, remember you're spending a lot of money to go fast on track, not to save rotor cost that ultimately amortizes into the same value as a few gallons of gas per track day.