installed some rally armour mudlfaps, and did a quick brake inspection after track day. lots of pad life left and no wave/grooves in the rotors, but theyve been sqealing at the 5km/h roll since then.
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320iCar, on Flickr
Untitled by
320iCar, on Flickr
Untitled by
320iCar, on Flickr
during the track day i noticed a vibration above 160kmh. have been having issues finding what it was. took off and reinstalled under tray, rebalanced wheels, removed and cleaned fog light surrounds etc. someone got a good photo at the track and after some zooming in i saw exactly what the issue was.
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320iCar, on Flickr
front lip was installed with self tapping screws as per the instructions, and to be fair feels quite secure, i pulled and manipulated it and it never would have been on my radar without that photo. so i drilled out the tech screws to 1/4" and riveted in some threaded inserts. i shouldn't have any other problems
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320iCar, on Flickr
then once i removed my undertray again (which is wrecked from the winter) i started tracing it out to make some new smooth underbody paneling. going to do a two piece splitter/undertray design. the oem undertray uses scoops for air circulation, but all that does is shovel gravel, dirt and snow and pack it under the tray.
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320iCar, on Flickr
Untitled by
320iCar, on Flickr
plans are to add NACA style ducts to the undertray and direct the air to the PTU (front diff). that way i can still collect a good amount of airflow while also keeping the highest scrubline possible. i plan to also add a NACA style duct in front of each front wheel for brake cooling. there is some designed swoops from factory, but they just kinda toss the air to a deflector, they dont really do that well of a job.
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320iCar, on Flickr