12 bolt disc brake conversion???? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

6600DURAMAX · 09-28-2004, 04:45 PM

I am in the process of dropping in a posi and 3.73 thanks to some great members here but in the process was going to rebuild the drum brakes. But...... I was wondering if there was a cheap way to convert the 12 bolt to disc. I have done this on 14 bolt rear ends for fairly cheap using stock calipers and homemade brackets (work great too).

does anyone know where I can buy brackets and use 1/2 ton front rotors and calipers. seems fairly easy??

thanks guys

Also have to get a new brake booster and master cylinder, so I guess I would need one for four wheel discs (Used the stock one on the 14 bolt rear, seemed to work??)

**john** · 09-28-2004, 05:00 PM

Here is one using Seville parts that can be found in wrecking yard. John
http://www.classicperform.com/tech_a...kes-trucks.htm
Read this post.
http://207.44.196.117/vboard/showthread.php3?t=121249

6600DURAMAX · 09-28-2004, 06:25 PM

thanks john I will check it out

09-28-2004, 04:45 PM	#1
6600DURAMAX Registered User Join Date: Nov 2000 Location: Wheatfield IN, USA Posts: 1,124	12 bolt disc brake conversion???? I am in the process of dropping in a posi and 3.73 thanks to some great members here but in the process was going to rebuild the drum brakes. But...... I was wondering if there was a cheap way to convert the 12 bolt to disc. I have done this on 14 bolt rear ends for fairly cheap using stock calipers and homemade brackets (work great too). does anyone know where I can buy brackets and use 1/2 ton front rotors and calipers. seems fairly easy?? thanks guys Also have to get a new brake booster and master cylinder, so I guess I would need one for four wheel discs (Used the stock one on the 14 bolt rear, seemed to work??) __________________ 1972 K5 - LS3/408 (595Hp) -6L80e-One Tons with 4.56, 20'' Beadlocks with 37'' rubber, full TMI interior, JL Audio ..... 1971 CREWMAX Build.....at body shop for couple more years

09-28-2004, 05:00 PM	#2
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Here is one using Seville parts that can be found in wrecking yard. John http://www.classicperform.com/tech_a...kes-trucks.htm Read this post. http://207.44.196.117/vboard/showthread.php3?t=121249 __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/ Last edited by john; 09-28-2004 at 05:14 PM.

09-28-2004, 06:25 PM	#3
6600DURAMAX Registered User Join Date: Nov 2000 Location: Wheatfield IN, USA Posts: 1,124	thanks john I will check it out __________________ 1972 K5 - LS3/408 (595Hp) -6L80e-One Tons with 4.56, 20'' Beadlocks with 37'' rubber, full TMI interior, JL Audio ..... 1971 CREWMAX Build.....at body shop for couple more years

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