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good hook on drill/slotted rotors

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Old 05-28-2005 | 06:58 PM
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good hook on drill/slotted rotors

i was looking around for some good deals on some drill/slotted rotors and i found some on ebay. R1 concepts are selling both front and rears for $239. i think its a pretty good buy. here check it out http://cgi.ebay.com/ebaymotors/ws/eB...category=33564

They say that they use PREMIUM rotors with a electro-coated black hub. What's that?

Has anyone tried out these rotors? The rotors sound pretty decent given the price of $239 for all four. Let me know if anyone has delt with R1 Concepts or their rotors. If anyone else is interested in purchasing these rotors, maybe can get a good discount if more than one set is purchased.
Old 05-28-2005 | 08:26 PM
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Me....

I got them about a year ago, when they first appeared on the 'bay.

Mine came branded 'Centric Parts', not the biggest name, but not junk either.

I got just the fronts, and paid extra to just get the drilled, no slots. Didn't want the pads to disappear due to the slicing effect of slots!

I use them just for show, and go back to stock for track days. It's hard to beat stock without paying silly money.

Posters told me they would crack etc., but they are holding up just fine, in fact they came with a little cross-hatched pattern on them, not polished smooth, and the pattern is still there!

Very happy with mine, and would do it again. :D :D

S
Old 05-29-2005 | 12:09 PM
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i also have the r1 concept drilled/slotted rotors. got a set of 4 off ebay. so far i am very happy with them. i also changed the pads and put steel braided brake lines on at the same time. Stops much better.
Old 05-29-2005 | 04:42 PM
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these sound like really good rotors for $239 for the whole set. im pretty sure we can get a better deal if we get a group buy going. Anyone down for a group buy?
Old 05-29-2005 | 06:10 PM
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do the rotors come with pads? but yeah a group buy sounds like a good idea to me I'm in ... just let me know cause my rotors are worped anyways ... apperntly slamming on the brakes at 130 when you see a cop isn't good for the rotors.
Old 05-29-2005 | 06:16 PM
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Does anyone have pictures of these rotors installed on their 8's? I came close to buying them off of ebay when they first showed up there, but chickened out at the last minute, not wanting to buy trash if it ended up being just that. But lets face it, a spotless car with rusted rotors sucks.
Can anyone supply pictures?
Old 05-29-2005 | 07:54 PM
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https://www.rx8club.com/showthread.php?t=62689
theres a link that hasd some pictures of them on my car.
Old 05-29-2005 | 08:37 PM
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thanks, but the link doesnt want to work for me.
Old 05-30-2005 | 11:03 AM
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nevermind, i got the link to work. thanks, and your car looks great.
Old 05-30-2005 | 02:39 PM
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yea i just emailed R1 and asked them wat deal we can get for a group buy and asked for pics of the rotors too. since today is memorial day ill prolly wont hear from them until tomorrow. ill let you guys know until then.
Old 05-30-2005 | 07:17 PM
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I'm in for group buy
Old 06-01-2005 | 11:05 PM
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well i got a response from R1 and everything sounds good. he sent me a pretty big pic too. heres wat they had to say:

Attached are the pictures that you requested. The rotors are
cross-drilled, slotted, and electro-coated black.

The black coating on the rotors will prevent the hubs and the inner
vents from rusting. Please also look closely at the slots that are on
these rotors. Unlike other sellers who use the rounded slots, our
"Diamond" slots have proven to increase gas dissipaton.

Please let me know how many buyers are interested in these rotors on
your forum. I welcome all forum groupbuys. If you have 5 buyers, I
will offer you $25.00 off the entire purchase.

I can also provide rotors that are cross-drilled only, slotted only,
or combination of both. I hope that I've any questions that you have.
If you have any other questions, please feel free to email me and I
will respond to you promptly.

Regards,

Martin Trinh
R1 Concepts Inc.
714-777-2323
Old 06-01-2005 | 11:12 PM
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im in this for sure. just need 4 more people to get in. come on guys its a good deal with an extra $25 off already a low price. are you in mazdarx84life41 and jcataldo?
1. 148AA
2.
3.
4.
5.
Old 06-01-2005 | 11:43 PM
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1. 148AA
2. zoomzoom_8 (drilled only)
3.
4.
5.

Come on everyone, 3 more to go!
Old 06-01-2005 | 11:59 PM
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Go ahead and crack your rotors.

Slots are the only way to go.
Old 06-02-2005 | 12:42 PM
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Originally Posted by 148AA
come on guys its a good deal with an extra $25 off already a low price.
No, he specifically said
If you have 5 buyers, I
will offer you $25.00 off the entire purchase.
For 5 buyers, that means you get a whopping $5 off each!

Now, I suppose if you gotta have drilled, you don't care about the engineering compromises inherent with them, but this bit of BS is disturbing:
Please also look closely at the slots that are on
these rotors. Unlike other sellers who use the rounded slots, our
"Diamond" slots have proven to increase gas dissipaton.
First, "gas dissipation" hasn't been a problem with brake pads for at least 10 years, so that excuse is completely bogus (the number 1 claim for slotted rotors is for better wet weather braking performance). Even if it were an issue, a rounded slot would perform better than a "diamond" slot. Second, a rounded slot will create much less stress concentration in the metal than their "diamond" slot, so the possibility of cracks starting at the base of the slot is higher with the "diamond" slot.

Caveat emptor.

Regards,
Gordon
Old 06-02-2005 | 12:51 PM
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http://www.nissanclub.com/forums/sho...7&page=1&pp=15

30 pages of discussion on the subject. Pretty hilarous if you got the time.
Old 06-02-2005 | 04:17 PM
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naw im pretty sure its $25 off each purchase, so rather than 240 its 215. thats not bad for premium (not oem). i think there's always two sides to things, negative and positive. but crossdrilled/slotted rotors have been around for awhile.

I've also looked searched around for information about their company. They pretty much have good reviews for their company. However, the shipping is another story. Some say that it took a while for them receive the items. Others said that it was pretty fast. Most people were satisfied about the performance of the rotors. I looked around and counldn't find anyone claiming that their rotors crack due to the slots. So I guess its a good buy. What do you guys recommend?

ive looked around and assume drilled aren't good for tracks or high performance, so im lookin at maybe jus gettin slotted.
Old 06-02-2005 | 08:26 PM
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i was wanting only drilled becuase I have heard that slotted will wear out brake pads quicker.
Old 06-03-2005 | 11:02 AM
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You got it backwards.

Which do you think hurts a pad more. A slight edge, or a giant cheese grater?
Old 06-03-2005 | 01:37 PM
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cross-drilled brake rotors are fine for street driving but are more prone to cracking if you're going to track the car.

slotted is the way to go, or like I did slotted and dimpled for the drilled look but the slot functionality.

my brake rotors here: http://www.rx7club.com/showthread.php?t=427939
Old 06-06-2005 | 05:02 PM
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bump
Old 06-07-2005 | 04:22 PM
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don't waste your money on either type
Old 06-23-2005 | 07:07 PM
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are you really wastin money when u pay bout 250 for premium rotors?? one of the questions was if you can request for just some blanks and get em zinc plated and they said 'yes'.
Old 06-30-2005 | 11:22 AM
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hmm well i need some brake rotors (my front are now out of spec)..and i was looking to see if anyone has tired theese rotors http://www.rx8store.net/product.asp?0=557&1=645&3=331 when i came upon this thread (While searching)

so a fe have this and liek them....how hard do you guys who have these rotors stop..b/c i stop pretty hard in my car (Force of habit)?


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