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300SD brake rotors
Im going to put brand spanking new rotors on the front of my SD because its been harder to slow down even with new pads and the rotor on the car is the original one so its pretty worn.
Im looking at these and i like the $46 one that is sport vented with those lines drilled in are there any negative things about using those kind of rotors? http://www.***************/search/productx.aspx?sid=dvqq2wjsmlxwini5zqranwfe&makeid=800016@Mercedes&modelid=1194027@300SD&year=1983&cid=14@Brake%20%26%20Wheel%20Hub&gid=1896@Brake%20Disc/Brake%20Rotor
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Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
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these are pretty nice. i had a set of them on my old sd. once i get ahead in money again im gonna get a new set. your problem probly isnt the rotors. take a look at your calipers,hoses and maybe try changing the brake fluid and bleeding the system. the pic i attached i think is the best. i dont really like the cross drilled as they can crack at the holes and then they are worthless
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have no worries.....President Obama swears "If you like your gun, you can keep it |
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How many miles has it been? The pads have to wear into the rotors before you get any decent stopping...
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1985 CA 300D Turbo , 213K mi |
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They're great
I have em on the front of my 300SD, they work great. I can lock up the tires on dry pavement from 60 mph.
Use Pagid pads with em. They dust bad, but are soft and grab really hard.
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-Matt EPA Section 609 Certified MVAC Technician ----------------- Oil Burner Kartel Member #10 Ahh the smell of Diesel Fuel, it's like coffee in the morning! My Car: 1982 300SD Turbo Diesel (231,500 miles!) RIP 1984 300SD Turbo Diesel Custom (235,500 mi on driveline.) - On Road!! www.icsrepair.com |
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Quote:
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'82 300SD - 361K mi - "Blue" "Good judgement comes from experience. Experience comes from bad judgement." listen, look, .........and duck. |
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Going dustless.....a clue
Onna another Benz, I put new rotors and porterfield pads. And at the suggestion of Jerry Jones at FORMYMERCEDES.COM treated the disc with the cryogenic freeze bath. This re-orients the molecular structure of the disc. NASCAR does it on all their race cars. The result is that you will have much less dusting on the wheels and superior braking ability. Oh, yeah, on that car, I just have to clean and rewax the wheels about once each year. And it is so easy to clean them.....no scrubbing. Just soap them up and wash off.
Regards Run-em |
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I second checking the callipers and brake lines and flush the fluid. I don't know about the pagid pads but textars are the preferred pad for optimum rotor life and excellent stoppping. I don't know how much difference quality of rotors means.
I don't know how different the steel alloys and thickness are. I usually buy the cheapest rotors but I spend a little extra on other parts of the system.
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My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
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Quote:
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My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
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A 300SD is not a performance car. Treat it like a baby. It is ok to drive it fast but you are not going SCCA racing. If you want brake dust to stay off your wheels you can find the dust guards. Worry about cryogenic if you are going to race a hot little c class or your e55 amg. just my $0.02
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My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
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Quote:
Regards Run-em |
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Interesting. Liquid nitrogen is cheap. Wouldn't everyone cryo treat their brakes then. I still suspect if you measure you will find increased rotor wear. It is still fascinating. Not sure I would recommend it though. Just keep a sharp eye on your calliper and wheels. I don't think it should be excessive heat unless you are racing. I doubt the callipers could take the additional heat dispersal to see that kind of performance gain in intense stop and go driving.
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My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
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Wow. I am impressed with the anecdotal stories. I may have to try that the next time I do a brake job. I would have never guess that cryo freezing the rotors would give you such a performance gain. I know how you heat treat metals but I don't remember in material science much about cryo treatment. I think I sold my material science book. If I still had it I would be checking it out.
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My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
#13
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This solution won't eliminate dust(will reduce it since it increases pad life). If I had this done I would have the brakes slotted and drilled as well. The price to do this seems reasonable. I'll take back my earlier comments. This seems to be a pretty straight material improvement. I would definitely do this if I ever get my S-Class or since the rotors for those suckers are so expensive and pads are expensive as well.
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My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
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Quote:
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have no worries.....President Obama swears "If you like your gun, you can keep it |
#15
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ATE power discs are great! Another plus is that the slots seem to shed water very fast.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
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