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Old 10-14-2005, 04:18 PM   #76
iON Performance Inc
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JDM addict - MMC = Metal Matrix Composite
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[i]The Physics of Performance[/i]
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Old 10-14-2005, 05:01 PM   #77
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Can we get your current price for rotor sets front and rear separately ?

TIA
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Old 10-14-2005, 05:16 PM   #78
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GeorgeRex - Yes, you can check out the following thread ->

http://forums.nasioc.com/forums/showthread.php?t=864062

If you have specific questions, please contact us via email -> sales@ionperformance.com
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Old 02-07-2006, 04:52 PM   #79
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Just talked to Jack, time to bump my awesome thread again
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Old 04-17-2006, 03:43 PM   #80
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Quote:
Originally Posted by bemani
Nothing to contribute -
I just find it amusing that for a brake related review, you're talking about acceleration and handling, not braking performance.

Because, those FACTS ARE RELATED to the brakes under review. Less unsprung weight does aid in handling, braking, and acceleration performance.

The lower mass requires less power to spin them - better acceleration/more power to ground.

The lower mass also puts less stress on the suspension, gives you better response/feel, and quicker reaction.

They're all facts that make purchasing light-arse 2-pc rotors that much more appealing. They (lighter rotating assembly's) have also been proven to give you more wheel hp. Kind of like a lighter flywheel, driveshaft, or wheels. The lower mass promotes more efficiency which puts more power to the ground, requires less effort to spin the wheels.

I've read that for every 1lb lost in rotating mass, is the equivalent of removing 7lbs from your vehicle. So the 30+ lbs less from these brakes is like taking out over 210lbs from your car. Hence the better handling, acceleration, and BRAKING.

It takes less power to brake a lighter rotating assembly, more mass would take more power and make more HEAT. The lower heat will help prevent fade. So I guess that's your thread related subject.

-Johnny


P.S. - Thanks for the good customer service Jack!! Can't wait to get those rotors.
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Old 04-17-2006, 05:09 PM   #81
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I think the 7 to 1 mass/acceleration ratio is a bit much. In addition to the mass, you need to take into account the radius at which the mass is added. So a lighter wheel & tire would make a much bigger difference than a 2pc rotor where much of the reduced mass is near the hub. Replace those semi light weight BBS's (19lbs) with really light weight SSR Comps (13lbs).

The handling benefits from reduced unsprung weight remain.

I also think the durability and heat absorption capability of a heavier disk would make up for the tiny amount of increased inertia they have.

I've gone through 2 sets of KVRs (lasted about 8 track days apiece) and am now trying floating 2pc rotors. So far so good on the first track day. We'll see how long they last.

Russ
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Old 04-17-2006, 11:43 PM   #82
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Quote:
Originally Posted by rlavalle
I think the 7 to 1 mass/acceleration ratio is a bit much. In addition to the mass, you need to take into account the radius at which the mass is added. So a lighter wheel & tire would make a much bigger difference than a 2pc rotor where much of the reduced mass is near the hub. Replace those semi light weight BBS's (19lbs) with really light weight SSR Comps (13lbs).
true dat! wasn't thinkin much about radius, you are correctomundo!
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Old 04-17-2006, 11:55 PM   #83
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Quote:
Originally Posted by rlavalle
I've gone through 2 sets of KVRs (lasted about 8 track days apiece) and am now trying floating 2pc rotors. So far so good on the first track day. We'll see how long they last.

Russ

Yeah, I was reading your previous posts. I suppose these are more street than track (no offense Jack!). Even more so because of the fact that they're a fixed rotor to reduce the 'chatter' associated with floating discs after a while, which would also make it more tollerable in a street application.

BTW, which rotors are you running now? The only other 2-pc's I know about are the ones that are no lighter than stock (forgot brand), the AP Racing Strap Drive disks, and Endless rotors. Well for the 05' at least.

I was hoping StopTech made em' for the 05' since i have a nice connect on those, and they're dopez0rz.

But yeah, get back to me/us on your 'floating disk' rotors.

Lata,

Johnny
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Old 04-18-2006, 12:50 AM   #84
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rlavalle: Were your rotors cryo treated? My brother's have had his iON rotors for about 15k miles and a good 9 track days and they're still in great condition [he was recommended the cryo treatment for track use]. We had used the Ferodo DS3000 pads on the track and DS2500 pads for street. For reference he has the non-drilled/slotted rotors.
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Old 04-18-2006, 01:05 AM   #85
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Jack/iON PERFORMANCE,

Make sure you keep us updated on those MMC replacements!!

But, as of now, do you guys have any pics or info on the prototypes?

Other than being MUCH LIGHTER than the Coleman discs, are they also going to be better quality as far as durability?
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Old 04-18-2006, 01:27 AM   #86
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Does ANYONE have pics, or know of any, of the iON/KVR 2-pc Rear's???

I can't wait till Wed to see my own! haha.
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Old 04-18-2006, 02:52 AM   #87
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I had the non drilled, though slotted as well. Didn't get them cryo treated. The jury's still out on that in my mind. I'd like to see a good controlled test in a lab to confirm any durability increase.

My new rotors are TWR Racing 2pc rotors. $469 a pair.

I did get rattling with a set of Stoptech floating rotors, but they sent new hardware and the rattle stopped. We'll see if these rattle (haven't yet), but they are track rotors for me. Besides, my car is 100% NVH already!

Russ
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Old 04-18-2006, 11:09 AM   #88
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nomorem3: found the following pics from one of iON's threads





rlavalle: So far my brother's cryo treated iON rotors have worked quite well. I have a set of their 2-piece rotors for the FHI 4pots on my WRX wagon, the non treated discs lasted me a good 10 track days and about 20k miles. Then I had them replace the discs with cryo treated ones. I was able to get 15 track days and about 24k miles before my WRX wagon was written off
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Old 04-18-2006, 04:15 PM   #89
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WRBWRXWAG: Thanks for your help! I must have been half-asleep cause I could NOT find those pics, haha.

Mine are coming in tomorrow!! YESSSS...


Jack/iON had some bad news for me which is actually good news in disguise, haha. They accidentally x-drilled instead of slotting my rears, but the good news is they were cryo'd rotors and he even upgraded the front fasteners to Ti, free of charge. Very good customer service I must say! haha. Few hundred dollars worth of upgrades for free, hoo-ahh!

I really don't like x-drilled (cracking) because I used to track a lot, but since I don't have the time or money anymore what are your guys' thoughts of the cryo'd x-drilled, IF I were to track them (keep in mind that it's the REAR only, front are slotted non cryo I think)?

I'm hoping the extra durability of the cryo treating will prevent the x-drilled rotors from cracking, in the long run (street/canyon). And it's kinda cool that they're a bit lighter than that of the slotted rotors also, I guess I might end up with less than 20% of driveline loss now?

Don't know if the fronts were cryo'd though, those would be more important anyway, but 10 track days and 20k miles sounds pretty good, well REALLY good, haha. Seein as how mine (coleman rotors) might not see the track ever, i'll probably be lookin at a long life. Until those MMC rotors are out, then I'll make sure to track that m0f0.
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Old 04-18-2006, 05:43 PM   #90
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nomorem3: no problem. I was looking up some of their MMC replacement disc info and bumped into the thread with the pictures.

Great to hear the good news in disguise. They're definately a great bunch of guys.

I had their X-drilled 2-piece rotors on my WRX, didn't have a problem with cracking with the non cryo treated or the cryo treated. I ran Mintex pads initially with the non treated rotors, and switched to the Ferodo DS3000/DS2500 combo for my cryo treated set.
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Old 08-17-2006, 01:40 AM   #91
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Bump for a good thread.

I am likely going to be getting iONs BBK or my 05 LGT.



Curious if you guys have any more news.
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Old 09-06-2006, 02:00 PM   #92
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iON 2-piece fronts for the LGT on the way
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Old 09-22-2006, 12:30 PM   #93
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Here are my LGT iON 2-piece Rotors installed






Ted
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