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Old 10-06-2010, 06:26 AM
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5x5 Rear Brakes for Chevelle?

I'm working on building a 72 Chevelle daily driver in my garage. It's going pretty good, and I just did a front disc swap using spindles from 85 caprice and 11" rotors. Wasn't too bad with the kit from Ken Crocie over at HO racing. the issue now is the rear. I'm not totally sold on rear discs; but the bolt patterns are different. Up front I got 5x5 and in back I got 5x4.75. How can I change the rear to 5x5? Can I buy rotors up front to fit the caprice spindles that are 5x4.75? As long as they match, I don't care. Hopefully someone can point me in the right direction on this.

Thanks

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Old 10-06-2010, 07:37 AM
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WELCOME to Hotrodders.com

As a Moderator here, I would like to WELCOME you here.

In the past when I have needed to change wheel bolt patterns, I got Moser Engineering ( the same folks who make all the axles parts ) to redrill the pattern. Because you are going smaller pattern ... there should be NO PROBLEMS.

Go here for Moser

http://www.moserengineering.com/moser/shop-services/

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Old 10-06-2010, 09:06 AM
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Quote:
Originally Posted by resto_newbie
I'm working on building a 72 Chevelle daily driver in my garage. It's going pretty good, and I just did a front disc swap using spindles from 85 caprice and 11" rotors. Wasn't too bad with the kit from Ken Crocie over at HO racing. the issue now is the rear. I'm not totally sold on rear discs; but the bolt patterns are different. Up front I got 5x5 and in back I got 5x4.75. How can I change the rear to 5x5? Can I buy rotors up front to fit the caprice spindles that are 5x4.75? As long as they match, I don't care. Hopefully someone can point me in the right direction on this.

Thanks
I'm confused. The 1985 Caprice has two brake options. The 11" rotors used the 5 x 4.75" bolt circle. The 12" rotors (used on wagons and HD brake cars such as police and taxi) used the 5 x 5" bolt circle. If you have 11" rotors, you have the 5 x 4.75" circle. If you have the 5 x 5" circle, you have 12" rotors. If you do have the 12" rotors, swap to the rotors from a third gen Camaro with the 1LE brake package. These rotors are also 12", fit the Caprice spindles, and have the 5 x 4.75" bolt circle. Wagner P/N BD61967 or Centric P/N 120.80003 will work.
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Old 10-06-2010, 09:15 AM
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If you're right, Joe then I need to get my ruler out again and measure. When I measured them a while back, I remember it being 5in not 4.75; but hey, if they're 4.75 then I'm in business! I will measure them again when i get home. I'm no expert so I hope your right. the rotors are definitely 11" though.

Thanks,
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Old 10-07-2010, 01:31 AM
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How To Measure Wheel Patterns

How To Measure Wheel Patterns>> http://members.cox.net/completevalue...l#HOWTOMEASURE

Wheel charts etc.. >> http://members.cox.net/completevalue/wheelpat.html
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Old 10-07-2010, 09:11 AM
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Quote:
Originally Posted by resto_newbie
If you're right, Joe then I need to get my ruler out again and measure. When I measured them a while back, I remember it being 5in not 4.75; but hey, if they're 4.75 then I'm in business! I will measure them again when i get home. I'm no expert so I hope your right. the rotors are definitely 11" though.

Thanks,
It's difficult to accurately measure a five-bolt pattern, and many people do it wrong. Why not just see if your Chevelle wheels fit?
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Old 10-07-2010, 10:19 AM
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I don't have the new rotor and hub assemblies on yet. I tossed the jyd rotors so I could buy the slotted rotors. Looks like you're right though. its 4 3/4. when i whipped out the tape measure in the jyd, I must have bent across where the hub pokes out in the center and mis-measured. Feeling stupid about that, but the bright side is i don't have to swap rear...but any good swaps out there for rear disc setups?

thanks for all the help!
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Old 10-08-2010, 08:17 PM
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Might be worth a look >> http://www.maliburacing.com/forum/vi...p?f=10&t=99811
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Old 01-20-2012, 03:30 PM
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I am on the opposite end... 4.75 to 5x5

I have a 70 El Camino that I have some nice 5x5 lug pattern wheels and I need to convert from the 4.75 x 5 to 5 x 5.

I figured someone would make a rotor that I could just bolt on but I have not been able to find. Is there one out there or do I need to switch spindles to the Olds and would that even work? Can I have my current 4.75 rotors re-drilled? Does anyone know who does that. Last question... Is there a rear disk kit that would work on the rear end that would convert to 5x5?

Thanks for any advise!!!
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