| K, so I've been running ducting off and on for a few years but have never come up with a good solution for directing the airstream to the center of the rotor. I aim the 3" hose at the back of the rotor the best I can and zip tie the crap out of it on the tension rod. It directs air at the rotor, but it's not a proper system and honestly I haven't noticed any improvement at track sessions. What's needed is a proper bolt on rotor air guide, like the discontinued one from Bill Davis on the old Zhome article: Custom AL brake ducts Sadly, you can't get them anymore and Bill's e-mail is borked. I came across these on the Summit Racing site: Allstar Performance universal rotor air guides And Aluminum: Aluminum air guides Universal fit, need to mark and drill to fit the Z to bolt to the back of the spindle (and no doubt do some bending and fitting) and seem reasonably cheap to try. Anyone done something like this? Thanks,
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