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89 and up 12 inch rear disc, Know one list the rotors for them, what fits? brake pads

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Old Dec 9, 2005 | 07:19 PM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
89 and up 12 inch rear disc, Know one list the rotors for them, what fits? brake pads

Hi, I was thinking of getting cross drilled rotors for the rear, all of hte catologs list up intill 88 and then they start in 93 again. will the 93 and up fit? I thought tehy had the e brake set up diffrent on the 93 and up cars? what about brake pads for teh rear what do you order them for? thanks

P.s who has the best price for them?
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Old Dec 12, 2005 | 07:36 PM
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From: Ohio
Car: 1970 Nova
Engine: 850HP 383
Transmission: TH400 w/ Brake
Axle/Gears: 4.88 12 Bolt
93+ rotors wont work for the fact they are diff offset and are composite w/ no fins.The part # for the rotors you want is #55022 in Raybestos.The # for the pads is a 413.Raybestos does make xdrilled and slotted for the rear.Heres a pic of my C4HD rotor for my setup but the rears look exactly the same,i have the backs to match but only the front one was close enough to take pic for you.That way you have idea.
Attached Thumbnails 89 and up 12 inch rear disc, Know one list the rotors for them, what fits? brake pads-brake-rotor.jpg  
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Old Dec 14, 2005 | 07:27 PM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
Are the 93 and up pads the same? also which rotors are those I can't find the number on there site

http://www.raybestos.com/usa/rotors.htm

what do you think about these ones?

http://www.roto-tech.com/
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Old Dec 14, 2005 | 07:34 PM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
Where can I buy raybesto? advanced auto?auto zone? napa? car quest? thanks
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Old Dec 14, 2005 | 07:57 PM
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From: Ohio
Car: 1970 Nova
Engine: 850HP 383
Transmission: TH400 w/ Brake
Axle/Gears: 4.88 12 Bolt
The rotors I bought from Carquest but Advance has them on their website too.The part numbers for the rears slotted & xdrilled are SD55022L & SD55022R, if you do the fronts also they would be SD5547L & SD5547R if you have the stock front setup.
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Old Dec 16, 2005 | 10:29 PM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
Is that the drivers side (left) or pass side (right) rotor?I am wondering what direction the slots go, I would like them to match the front ones and I know diffrent comapnys have them go diffrent ways. Which of these go thet way i want, the baer don't and if the one in your pick is for the left then that is the way I want.

What do you think of these?

http://www.napaonline.com/masterpage...Rear+-+Hi-Perf

Are these what you have

http://www.partsamerica.com/ProductD...pe=221&ptset=A

Are these the same as yours?

http://www.carquest.com/drum_rotors.html

Are these

http://www.autozone.com/servlet/UiBr...7C%7E55022-020

the same as these?

http://www.streetortrack.com/baer-br...rolet-cars.asp

Thanks a lot

Last edited by BLACK Z; Dec 16, 2005 at 10:53 PM.
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Old Dec 16, 2005 | 10:49 PM
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From: Ohio
Car: 1970 Nova
Engine: 850HP 383
Transmission: TH400 w/ Brake
Axle/Gears: 4.88 12 Bolt
They have them marked which side and will be the same as long as you buy all the same company,IE same direction.
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Old Dec 16, 2005 | 10:57 PM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
I already have some up front and they go in the direction of yours if that rotor is a left hand rotor (drivers side), and please check out the links above, I know there are a few but I want to get the right ones. Also are all the rotors going to be the same thinkness? if not which are probably thicker? I know these may be dumb ? or ? you may not know but it is worth a shot.
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Old Dec 16, 2005 | 11:04 PM
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From: Ohio
Car: 1970 Nova
Engine: 850HP 383
Transmission: TH400 w/ Brake
Axle/Gears: 4.88 12 Bolt
Yes that I have pic of is the left side front and the rear would be same direction also on the drivers side.Then of course the pass side would be reversed and flow backwards like these do on the left.If you know what I mean.
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Old Dec 16, 2005 | 11:07 PM
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From: Ohio
Car: 1970 Nova
Engine: 850HP 383
Transmission: TH400 w/ Brake
Axle/Gears: 4.88 12 Bolt
As far as thickness they should be same.They will be factory specs b/c of fitment between pads.
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Old Dec 16, 2005 | 11:41 PM
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From: New Germany, MN
Car: 1986 Iroc
Engine: 5.3
Transmission: 4L80E
Axle/Gears: 9 Inch w/ 3.55
Why do you want drilled rotors? They are not that durable and usally crack.
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Old Dec 17, 2005 | 08:27 AM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
I heard that they perform better and I like the look of them, and I figured since I have them up front ( the fronts are just drilled no slots) I might as well get them in the rear. Are any of the above a bad choice? are they all zinc coat for duarablity? What brand do most around hear run?
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Old Dec 17, 2005 | 11:43 AM
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From: New Germany, MN
Car: 1986 Iroc
Engine: 5.3
Transmission: 4L80E
Axle/Gears: 9 Inch w/ 3.55
Originally posted by BLACK Z
I heard that they perform better and I like the look of them, and I figured since I have them up front ( the fronts are just drilled no slots) I might as well get them in the rear. Are any of the above a bad choice? are they all zinc coat for duarablity? What brand do most around hear run?
They may perform a little better but one thing is you will never see drilled rotors on a race car.
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Old Dec 17, 2005 | 12:45 PM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
I can't seem to find the raybesto rotors, advanced has them on there web site but you have to order from the site not the store, they have the bendix drilled and slotted, carquest has there drilled and slotted but they want $95 each foir them. Auto zone has abunch of baer and brembo stuff, I have to stop in and check the catolog they are not on the sight.
Advanced has teh bendix street hp for $53.99 and napa has theres for $55.00 they are both crossed drilled and slotted, which do think is the better rotor? napas are made by united.
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Old Dec 21, 2005 | 02:57 PM
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
I purchased my 89 Raybestos rotors online from car parts warehouse or something a few years back.
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Old Dec 22, 2005 | 04:16 PM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
How are they holding up? Any have any info on hte ? I asked about 1 post up? thanks
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Old Jan 4, 2006 | 08:22 PM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
What do you think of the napa drilled/slotted rotors?
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Old Jan 4, 2006 | 09:58 PM
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From: Ohio
Car: 1970 Nova
Engine: 850HP 383
Transmission: TH400 w/ Brake
Axle/Gears: 4.88 12 Bolt
Not sure on NAPA's,never had them.Ive always used Raybestos parts.As far as cracking from the holes Ive never had mine crack and I abuse the crap outta them.I know if you drill them yourself they will have a tendency to crack.But hey,thats what warranties are for.
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Old Jan 4, 2006 | 10:53 PM
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
Originally posted by BLACK Z
How are they holding up? Any have any info on hte ? I asked about 1 post up? thanks

VERY well. 3 years on them now with Performance Friction pads.
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Old Jan 11, 2006 | 08:43 AM
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From: jeff NY usa
Car: 86 Z28
Engine: 350
Transmission: W/C T-5
Axle/Gears: 9 BOLT 3.45 POSI
Sorry to drag this on, i guess no one has the napa rotors, I did not even know they made them, any one familar witht eh street hp rotors by bendix?
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