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Jul 21st, 2025 | | | | Joined: Dec 2005 Posts: 35 Apprentice | | Apprentice Joined: Dec 2005 Posts: 35 | We've decided to use stock frame. I'm thinking of 12 bolt chevy or 9 inch ford rear end. How do I get disc brakes on the front of a 47 1.5 ton? | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Since you are downgrading the load capacity at the rear you might replace the front axle with a 1/2-ton type and then use one of the 5-lug or 6-lug conversion kits available.
If you want to maintain your load capacity you'll want to use a bigger rear than the 12-bolt or 9-inch and the 1/2-ton front would be the wrong answer.
Last edited by OldSub; 10/01/2010 2:11 AM. Reason: corrected typo
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | | | | Joined: May 2005 Posts: 8,877 . | | . Joined: May 2005 Posts: 8,877 | All depends on the intended use. If you'd prefer to keep your truck a real truck you may find some ideas here. http://www.stovebolt.com/techtips/bigbolts/p30swap/If you don't mind turning the truck into more of a car Steve's ideas could work just the same as they do for the 1/2 tons. You'll just have a heavier frame and larger than necessary fenders... Grigg | | | | | Joined: Mar 2009 Posts: 186 Shop Shark | | Shop Shark Joined: Mar 2009 Posts: 186 | I did my own disk brake conversion on my 36 1.5ton axle using police tahoe brake parts. I fabbed up my own bracketry. I cant really speak to how well it works since my truck hasn't hit the road yet, but the calipers are massive twin piston set ups, so I do believe it will work very well | | | | | Joined: May 2005 Posts: 8,877 . | | . Joined: May 2005 Posts: 8,877 | Pictures?????????
If so you should do a post on how you did it....joe I'll second that, Grigg | | | | | Joined: Mar 2009 Posts: 186 Shop Shark | | Shop Shark Joined: Mar 2009 Posts: 186 | I did a thread on it a while back, Ill have to do a little searching and see if I can dig it up | | | | | Joined: Mar 2009 Posts: 186 Shop Shark | | Shop Shark Joined: Mar 2009 Posts: 186 | here it is.. https://www.stovebolt.com/ubbthread...;Main=90793&Number=633064#Post633064I did do some more work on the set up, maybe I can find some updated pictures, The parts arent currently on the axle so I cant just go snap new pics.. I will look later.. back to work
Last edited by CORPO; 10/01/2010 3:34 PM.
| | | | | Joined: Sep 2005 Posts: 99 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2005 Posts: 99 | What year Tahoe was it? Or does it matter much? | | | | | Joined: Mar 2009 Posts: 186 Shop Shark | | Shop Shark Joined: Mar 2009 Posts: 186 | The rotors are used on lots of other vehicles.. escaled, suburban, pick ups..
I did have to machine the bore open on the rotor, no big deal for any shop with a lathe.. | | |
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