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Old 03-05-2003, 05:11 PM
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Post Disc brake conversion on a 1980 chevy 1/2 ton pickup

I am wanting to put disc brakes on the rear of my 1980 chevy 1/2 ton pickup. Is that possible? I'm new at this so bear with me. Were disc brakes an option on that year or were they all drum brakes? Any help would be greatly appreciated. I may have to change rearends? Thanks in advance.

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Old 03-05-2003, 07:00 PM
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there are a few companies that make rear brake disc swaps. i am unaware of any vehichle that had rear discs then. not too many trucks have them now. www.wilwood.com www.ssbrakes.com www.mpbrakes.com <a href="http://www.brembo.com]www.brembo.com[/URL] and that seems to be all that i know of. Good Luck with that and i hope that this info helps you make a better decision.
Silver

[ March 05, 2003: Message edited by: Silver ]</p>
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Old 03-06-2003, 02:39 PM
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i think i got my brackets from a co. called tsm or some such, had to grind like crazy on my calipers to get them on their stupid bracket. go to those sites above and read up, they have lots of good information. also you will have to spend extra for calipers that have an emergency brake like an eldorado i believe, if you want them
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Old 01-23-2006, 07:29 PM
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if you feel like junk yarding it, 92-96 impala have rear disc that have same bolt pattern. probably will have to take the brackets, lines and rotors. might be better to just grab the whole rearend, or go with an aftermarket kit.
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Old 01-24-2006, 12:25 AM
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77 Riviera rear discs will bolt on.
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Old 01-24-2006, 09:49 AM
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Quote:
Originally Posted by enjenjo
77 Riviera rear discs will bolt on.
that's right forgot about them.... i think there are some cadillacs that fit too...
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Old 01-26-2006, 07:06 AM
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The ONLY disc brake equipped GM in their truck lines were the "P" series step vans, and I only found them in -ton and up.

There are many way to go about doing this swap but remember that you want to build it as reliable as the manufacturer said their equipment was.
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Old 02-14-2009, 09:39 PM
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rear dics

i have an 89 camaro rear can i do the same thing to it with the 77 rivy brackets?
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Old 02-16-2009, 03:58 AM
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Quote:
Originally Posted by deadbodyman
i have an 89 camaro rear can i do the same thing to it with the 77 rivy brackets?
for your camaro, you can probably find the JL8 brakes and put them on. also later 90's S10 and F body had disc setups. those swap in. the riviera bolt pattern is 5X5(same as chevy truck and impala). camaro/s10 is 5X4 3/4.
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Old 02-16-2009, 05:30 AM
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rears

thanks jvsapp,i wish i knew this last year,i got my 12" front rotors off an impalia parts car we had out back,its crushed now.i like using and converting gm parts "the old school way".im building a 48 plymouth biz coupe,rotted up to the door knobs,wasnt even a good parts car,but thanks to helpful folks like your self seell be ready to ride this spring,have couple pics in my gallary
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Old 02-16-2009, 07:22 AM
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I didn't see this mentioned in any of the other posts, and it may go without saying, but you'll also need to change out the master cylinder to work with the drum/ disc setup, maybe even a combination valve, etc. I believe that Stainless Steel Brakes has a complete kit for your conversion....

Steve
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Old 02-16-2009, 12:36 PM
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yup that is a good idea. most times that is over looked. disc/disc setup uses a different master than disc/drum. i've heard of some using fiero master with booster, so i grabbed one with the combo valve and booster once when i could. still have it sitting.

that car looks sweet. the new trunk floor is that from a nova or is that the stock replacement? looks very similar to my nova. there are some aftermarket rear brackets that use GM calipers. caddilac or camaro setups including the parking brake. i got a set for $40 from ebay.
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Old 02-16-2009, 04:33 PM
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http://www.thedieselpage.com/feature...discbrakes.htm

Also the Impala rotors (as mentioned before) with 4th gen Camaro rear calipers.
http://67-72chevytrucks.com/vboard/s...d.php?t=249073
Shane

Last edited by Chevrolet4x4s; 02-16-2009 at 04:43 PM.
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