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10-14-2006, 10:35 PM
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#1 |
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Registered User
Join Date: Jul 2006
Location: CA
Posts: 69
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Disc Brake Conversion
Does anybody know of a disc brake conversion kit for a 70' (just the front) that utilizes the stock drum brake spindles? I've seen it on Camaros and other GM vehicles.
Thanks
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70' 1/2 ton 2wd 350/muncie m-20/12-bolt rearend Darin |
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10-14-2006, 11:37 PM
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#2 |
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Registered User
Join Date: Apr 2006
Location: oklahoma
Posts: 10,670
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Re: Disc Brake Conversion
Yes there is or was a kit for it. It used a rotor that slid on the drum brake hub and had a bracket that held the caliper to the spindle. If you want more info it will take me alittle while to find more info. It was in one of the old truck magazines and I have lots of them! If You want the info let me know and I will see if I can find it for you.
Aaron |
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10-15-2006, 12:25 AM
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#3 |
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Registered User
Join Date: Jul 2006
Location: CA
Posts: 69
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Re: Disc Brake Conversion
Yes, that information would be great.
thanks for the help
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70' 1/2 ton 2wd 350/muncie m-20/12-bolt rearend Darin |
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10-15-2006, 12:58 AM
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#4 |
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Registered User
Join Date: Apr 2006
Location: oklahoma
Posts: 10,670
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Re: Disc Brake Conversion
Well I couldnt find the article so i started going through my catalogs. Brothers has the kit part # GRAB900 wich is there basic kit and sold for 269.95 for the basic kit. They have a deluxe kit NOFX559 priced at 474.95. It is the kit I described above.These part #'s and prices came from there 2000 catalog so you may want to check out there wab site and email them with any more questions.
www.brotherstrucks.com Aaron edit: If I remember right they are a site vendor too. Last edited by Aarons72s; 10-15-2006 at 12:59 AM. |
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10-15-2006, 01:19 AM
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#5 |
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Registered User
Join Date: May 2005
Location: Beaverton, OR
Posts: 3,728
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Re: Disc Brake Conversion
I was told there wasn't a disc kit that worked with the drum spindles. I wanted drop spindles anyway, so it wasn't much of an issue. But it would be a nice option.
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10-15-2006, 01:53 AM
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#6 |
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Registered User
Join Date: Apr 2006
Location: oklahoma
Posts: 10,670
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Re: Disc Brake Conversion
What the kit is is a rotor like on the 99- up chevys. What you do is take the hub and drum off, drill out the rivits that hold the drum on then the rotor slides on over the wheel studs. The kit has a bracket that mounts where the drum brake backing plate used to mount. So esentilly the procedure is
1: remove drum brake and hub assembaly 2: drill out rivets to seperate drum from hub 3: remove old backing plate 4: install new caliper mounting bracket 5: install drum brake hub 6: slide on rotor 7: install calipers everything else regarding brake lines is the same as doing a spindle swap. So just look up the old faqs for that info. Aaron |
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10-15-2006, 11:25 AM
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#7 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Disc Brake Conversion
http://www.classicperform.com/Store/...k/6062DBK5.htm They offer 2 different kits, one is more complete,rather that just bearings & brackets.....
 L
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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10-15-2006, 01:10 PM
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#8 |
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Registered User
Join Date: Sep 2006
Location: Foley, Alabama
Posts: 85
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Re: Disc Brake Conversion
one very important note about the classic performance kit is, it uses car rotors (in other words it converts your front end to a 5 lug 4 3/4" bolt pattern). so, then you either have to mix your rim bolt patterns or change your rear axles to 4 3/4" also, but that's another head ache. I've been through this and I ended up having to buy a disc brake conversion kit for the rear-end for a Chevelle. With it all behind me now, next time I'd just buy the new spindle kit.
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wouldn't it be great if we where all like Forrest Gump.? Last edited by jooooooe; 10-15-2006 at 01:12 PM. |
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10-15-2006, 09:27 PM
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#9 |
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Registered User
Join Date: Apr 2006
Location: oklahoma
Posts: 10,670
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Re: Disc Brake Conversion
Crazy Longhorn, chevy duty sells the same kit but I am with jooooooe on that kit who wants to have car patern front and truck pattern rear? The one I posted keeps the bolt patterns the same and in 6 lug to.
Aaron |
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10-16-2006, 11:37 PM
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#10 |
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Registered User
Join Date: Jul 2006
Location: CA
Posts: 69
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Re: Disc Brake Conversion
thanks everyone but the only kit I found was part # DBC6L20-SS and that was the Deluxe 6-lug for $630 and this other one, so I might buy that one
thanks Aaron for the website
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70' 1/2 ton 2wd 350/muncie m-20/12-bolt rearend Darin |
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02-07-2007, 06:53 PM
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#11 |
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Registered User
Join Date: Apr 2004
Location: Clanton, AL
Posts: 1,253
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Re: Disc Brake Conversion
Would you have to change the master cylinder & proportioning valve?
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85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days!  05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal! 
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02-08-2007, 11:26 AM
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#12 |
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Registered User
Join Date: Apr 2006
Location: oklahoma
Posts: 10,670
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Re: Disc Brake Conversion
Yes! The drum brake master cylinder and valve wont work for discs. Just get a 71-72 master cylinder and proportioning valve.
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