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Re: Disc brake conversion on a 46 2-ton [Re: Hotrod_A] #712410 Sun Jan 16 2011 08:40 PM
Joined: Nov 2010
Posts: 607
R
RDomeck Offline OP
Shop Shark
I'm using a 1.250 bore master from a 3500HD Chevy and the booster from a 2500 Chevy. The larger trucks use a hydra-boost brake booster and I didn't think putting a power steering pump on the engine would be necessary!

I should have the bracket welded up for the master this week. I'm using the original master bolt holes so there won't be any drilling of holes in the frame.

I'm also remaking the bell crank that mounts in behind the master. My intention for using a more modern brake booster is that the parts and rebuilding of the original brake booster prove to be difficult and time consuming to do. I'm thinking that most of the guys (or girls) that are working on these big old trucks would like something they can pull out of the box and bolt on the parts that are available at there local parts stores.

I'm hoping to have some pictures posted towards the end of the week, but I have a couple of large paying projects that have to leave from my shop this week. I do hope to make some time to put into my truck!


Randy Domeck
Indianapolis Fabrications
rdomeck@me.com
Indianapolis, In. 46254
317-258-0039

Re: Disc brake conversion on a 46 2-ton [Re: RDomeck] #713178 Wed Jan 19 2011 04:04 AM
Joined: Nov 2010
Posts: 607
R
RDomeck Offline OP
Shop Shark
I got the rotor adapters back from the laser cutter today and I should have bolts in tomorrow. I'n hoping to post some pictures tomorrow!


Randy Domeck
Indianapolis Fabrications
rdomeck@me.com
Indianapolis, In. 46254
317-258-0039

Re: Disc brake conversion on a 46 2-ton [Re: RDomeck] #713377 Thu Jan 20 2011 12:29 AM
Joined: Dec 2010
Posts: 24
D
dmulally Offline
New Guy
Hi Randy,

Just a quick note to say that I am still interested.

Cheers

Damian

Re: Disc brake conversion on a 46 2-ton [Re: dmulally] #715134 Tue Jan 25 2011 11:20 PM
Joined: Dec 2008
Posts: 378
F
fclaridge Offline
Shop Shark
Any pics yet? smile


1956 Chevy School Bus Superior Body
In the Stovebolt Gallery
More pix in Photobobucket
Re: Disc brake conversion on a 46 2-ton [Re: fclaridge] #715222 Wed Jan 26 2011 04:08 AM
Joined: Nov 2010
Posts: 607
R
RDomeck Offline OP
Shop Shark
I'm still working on it! I'll take some pictures of what little I have done. I have some adapters for the rotors made, but I don't like them and I am going to have some more machined.

I had them laser cut and I don't like that the rotor doesn't center on a ring. It just center's from the bolts and that doesn't suite me......

I'll be at the machine shop tomorrow to pick up some parts for another job and I'll get them going on the new adapter. I want these to be right before I offer them to you guys.


Randy Domeck
Indianapolis Fabrications
rdomeck@me.com
Indianapolis, In. 46254
317-258-0039

Re: Disc brake conversion on a 46 2-ton [Re: RDomeck] #715633 Thu Jan 27 2011 06:21 AM
Joined: Jul 2008
Posts: 54
4
49' Hayhauler Offline
Wrench Fetcher
When you do get something made you will definetly have buyers!!


1949 Chevy 4400 Grainbed
In the Stovebolt Gallery
Photobucket pictures

The taxpayers are sending congressmen on expensive trips abroad. It might be worth it except they keep coming back!

Behind every successful rancher is a wife who works in town.
Re: Disc brake conversion on a 46 2-ton [Re: 49' Hayhauler] #716109 Fri Jan 28 2011 09:25 PM
Joined: Nov 2010
Posts: 607
R
RDomeck Offline OP
Shop Shark
http://s1006.photobucket.com/albums/af184/rrdomeck/1946%202-Ton%20Chevy%20Disc%20Brake%20Conversion/

Enjoy.......

I won't be able to put any more time in on this for a couple of weeks, but it's close to figuring out!


Randy Domeck
Indianapolis Fabrications
rdomeck@me.com
Indianapolis, In. 46254
317-258-0039

Re: Disc brake conversion on a 46 2-ton [Re: RDomeck] #718977 Mon Feb 07 2011 02:57 PM
Joined: Nov 2010
Posts: 607
R
RDomeck Offline OP
Shop Shark
New adapters will be ready in about a week!



Randy Domeck
Indianapolis Fabrications
rdomeck@me.com
Indianapolis, In. 46254
317-258-0039

Re: Disc brake conversion on a 46 2-ton [Re: RDomeck] #722072 Fri Feb 18 2011 06:53 AM
Joined: Oct 2006
Posts: 41
C
c Jason Barnett Offline
Wrench Fetcher
I have personally seen a guy just remove the 6 rivets/bolts that held the brake drum to the hub of a 1940 Chevrolet 1.5 ton truck. The 6 rivets that held on the brake drum where the same size as the 11" brake rotors off of a 1970's Chevy 4x4. He just bolted the brake rotor directly to the original hub and then just made a simple brakect to hold the caliper and bang he was done. The 6 bolt holes in the modern brake rotor are the same as the six bolt holes on the original brake hub. He was able to keep the stock 10 lug 20" wheels because he didn't change his hub out.
I removed the brake rotors off of a Chevy motor home with the 19.5" wheels , and the rotors look like they will bolt up with no trouble to my 46 Chevy 2 ton.


The aviation artist guy in Houston that loves old trucks even more than planes. www.jasonbarnettartist.com
Re: Disc brake conversion on a 46 2-ton [Re: c Jason Barnett] #722108 Fri Feb 18 2011 02:37 PM
Joined: Nov 2010
Posts: 607
R
RDomeck Offline OP
Shop Shark
I didn't find that this worked....But I will look at one of those rotor's and find out. My problem with doing this is your putting a much smaller brake than the original drum brake.

The original drums are 14" I don't think you would gain much with going to a 11" disc! The disc that I am using is a 15" and is from a 15,000 lb. vehicle. The same GVW as the 46 2-ton.

The adapters should be ready today or monday! My adapters will center on the hub and have a ring that centers the rotor. A much better design than relying on just the bolt's to center the rotor and hub. In doing the adapter everything runs true....


Randy Domeck
Indianapolis Fabrications
rdomeck@me.com
Indianapolis, In. 46254
317-258-0039

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