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02-14-2023, 05:39 PM | #24 | |
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02-14-2023, 08:37 PM | #26 | |
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Journal: Link E9x ZCP Suspension Info: Link Track Chat Discord: https://discord.gg/VsKbTyqBVj |
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TexasEmThree27.00 |
02-14-2023, 09:01 PM | #27 |
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Looks like you’d need the front lip to connect the undertray to:
https://www.m3post.com/forums/showthread.php?t=413165 |
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02-14-2023, 10:57 PM | #28 | |
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02-20-2023, 04:57 PM | #30 |
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02-20-2023, 05:02 PM | #31 |
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Figured as much. Boo.
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02-21-2023, 09:12 AM | #32 |
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02-27-2023, 07:54 AM | #33 |
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You don't need cooling ducts... you need better pads and good fluid. I ran 7 track days last year on my M3 with Ferodo DS2500 pads and Motul RBF600 fluid... not a hint of fade in full summer even after 30 min sessions.
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02-27-2023, 11:06 AM | #34 | |
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Drives: 1997 M3 Sedan
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They are okay for the rear but you need DS 1.11s or a similarly aggressive compound on the front rotors.
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02-27-2023, 12:12 PM | #35 |
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Depends on tires and pace…
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02-27-2023, 09:33 PM | #36 |
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you are right.. it depends on the pace you keep, and how hard you are on the brakes. I am not out to set lap records, and my car is bone stock, so... I am also not on slicks but Michelin Pilot Supersports.
I do run in the Advanced class, and I have a motorcycle racing license; raced for a few years ... So I have a couple of minutes experience with tires and brakes When braking, a little goes a long way |
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03-04-2023, 12:55 PM | #37 |
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I run castrol SRF with hawk dtc 70 pads all around on Hankook rs4 at a circuit of the Americas and get just over a weekend with them (if it’s cool). So it seems to me that brake cooling would help tremendously for my situation.
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DRLane4058.50 |
03-07-2023, 04:57 PM | #38 | |
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DS2500 should not be used for track days on heavy cars like the M3. They completely fall apart and melt into black chunks on track. They may be ok on light cars such as a Miata or maybe S2000.
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03-27-2023, 03:05 PM | #39 |
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Below is a detailed article I wrote on the current most popular Ferodo Racing pad compounds:
Which Ferodo Brake Pad Compound is Right for Me? While a lightly-driven e92 M3 on street tires may be able to get away with DS2500 at Roebling Road, a racing slick-equipped e92 M3 at Watkins Glen or Road America is a completely different ballgame. Generalizations like, "stock brakes are great, you just need X" aren't really valid given the enormous number of variables involved. Below are just some of factors that impact how much the abuse your brakes will take on a racetrack. These variables are different for every car, every driver, every track, and every situation. There is no one single solution that works for everyone. A brake setup you may find perfectly adequate...the next driver may burn it down in the three laps on his car, under the conditions in which he is driving it. In my twenty+ years of working in the racing brake business, I've seen this statement ring true a million and one times. Driving skill/style (hard or easy on brakes) Track layout- tracks vary tremendously in how much heat they pour into the brakes Number of consecutive laps Speed reached at the end of each straight (related to corner exit speed and horsepower) Tire size Tire compound Suspension setup/alignment (how much rubber is being put on the track) |
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