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| | | Forums66 Topics128,036 Posts1,055,448 Members48,422 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Apr 2008 Posts: 127 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 127 | looking for the 3 way brake block for a 1/2 ton. this connects to master cyl, rear brake line and fwd line on right side of frame. this is the block that is bolted to the frame. connects 3 lines, not 2 lines and a hose. any help out there? jim carter doesn't carry it. | | | | | Joined: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | jetmech6868, put and ad in the swap meet Parts Wanted Forum and someone may be able to help you..... | | | | | Joined: Feb 2004 Posts: 29,750 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,750 | Are all three lines the same size? If so, a standard inverted flare tee fitting will work, but you might have to get a little creative when attaching it to the frame. I'd use a small U bolt that would straddle the fitting. Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt! There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway Love your enemies and drive 'em nuts!
| | | | | Joined: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | ....I think the block he needs is 1/4" going in and 3/16" on the other two. I have one if I can find it to double check if he needs me to. | | | | | Joined: May 2005 Posts: 1,624 Shop Shark | | Shop Shark Joined: May 2005 Posts: 1,624 | Let us know the hose and hard line sizes. A lot of us have a few of them sitting in a coffee can in the shop.
Six volt guy living in a twelve volt world
| | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | The Filling Station has a lot of fittings like that in there catalog. They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Feb 2004 Posts: 29,750 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,750 | I believe the tee from the middle of the frame is a 3-way 1/4" item. The one at the front crossmember will be the 1/4" to 3/16" one that branches to both front flex lines. Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt! There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway Love your enemies and drive 'em nuts!
| | | | | Joined: Mar 2010 Posts: 10,271 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,271 | The earlier AD's with Huck brakes used different sized lines, and therefore T junction blocks than the later Bendix brake system. I ran into that when I ran a drill through the frame of my '49 and punched all the way through it into the T fitting. I thought, no sweat, I have an extra one from my '52. No dice. Different size fittings. BTW, Bendix showed up on 1/2 tons in 1951. Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Jan 2016 Posts: 631 'Bolter | | 'Bolter Joined: Jan 2016 Posts: 631 | [quote=Wrenchbender Ret.]The Filling Station has a lot of fittings like that in there catalog. [/quote
True.......^^^^^ Page 235 of the Feb 2016 catalog has the fittings with original part # as a reference...........assuming the system is still stock. | | | | | Joined: Apr 2008 Posts: 127 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 127 | all three openings are the same size. 7/16 x24. three hard lines attatch to it. no hoses. thanks. | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | good local parts store, check the Weatherhead catalog, you should be able to find a substitute
Bill
| | | | | Joined: Mar 2010 Posts: 10,271 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,271 | A 7/16 x24 bolt may fit it, but it is not the correct nomenclature for that fitting. Its plumbing. Plumbers speak their own language. They only care about the size of the hole in the pipes.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Feb 2004 Posts: 29,750 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,750 | Edelman part #130444 "Inverted Flare Union Tee". It won't have the bolt hole, but it will join three 1/4" OD brake lines correctly. Here's a link: http://www.plews-edelmann.com/inverted-flared-tube-fittings/Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt! There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway Love your enemies and drive 'em nuts!
| | | | | Joined: Mar 2016 Posts: 225 'Bolter | | 'Bolter Joined: Mar 2016 Posts: 225 | 1951 3100
Just finished all new hoses and steel brake lines. On mine, there are two tees. One is on front right passenger side frame rail, right ahead of the rear engine crossmember, has three outlets, all are the same, for 3/16" steel brake lines, (I guess these would be 3/8-24 thread). Other tee is on passenger side also, right behind transmission crossmember, but it has two 3/16" outlets, and one 1/4" outlet. Both tees have the 1/2-20 shaft that sticks through the frame rail for a nut and lockwasher. According to my Chevy Service Manual, all brake lines are 3/16", except the line coming from the master cylinder, which goes to the rear tee to feed everything, and it is 1/4", (the master cylinder outlet is 1/4" also). Once I mounted all the brakes hoses, measured what lengths I needed, $40 worth of steel lines from Napa, I have all new brake lines, front to back. Very very simple to do. For my peace of mind, I did use the coated clamps everywhere the line clamps to the frame. Positioned all so there is no chance of rubbing the frame anywhere, and the lines can't rub in the clamp.
The Factory Assembly Manual has real good pictures showing all of this in case you're not sure of the routing. I did not know what a FAM was or that it even existed, until somebody on here said something about one. Can't do without now. They were correct on one thing about it though....there is no index, table of contents, nothing.....just start flipping pages.
Mike
Mike
1951 3100 5 window
| | | | | Joined: Apr 2008 Posts: 64 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 64 | Think I have what you are looking for.
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