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| | | | Joined: Nov 2011 Posts: 52 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2011 Posts: 52 | I need a new master cyl for my 52 2 ton. Was wondering if anyone has upgraded to a dual resivor master cyl for saftey reasons.
52' Chevy 6400 2 ton
| | | | | Joined: Mar 2004 Posts: 6,214 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,214 | Chances are your 52 has a Hydrovac Booster which makes it hard to "split" the circuit. I have heard of guys adding a second Hydrovac (one for each circuit), but I have no knowledge of how this worked when done. Mike B  | | | | | Joined: Nov 2011 Posts: 52 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2011 Posts: 52 | Yes, thats the difficult part. I was thinking like fabing up a newer master with a booster on it. But then im not sure if i would need to stick with the same bore size. Just curious if anyone has done anything like this with success
52' Chevy 6400 2 ton
| | | | | Joined: Jan 2008 Posts: 165 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2008 Posts: 165 | I wouldn't waste the time, unless your running a 454 and driving 70 MPH the orginal set up works just fine. | | | | | Joined: Nov 2011 Posts: 52 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2011 Posts: 52 | Im sure they will work fine, i was just thinking about it for saftey if you get a leak you will still have front or rear brakes. I will prob just go back with the original setup and replace all lines and hoses.
52' Chevy 6400 2 ton
| | | | | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | I put a booster and a master from a 70 C10 truck under the floor. A lot of fab work but the brakes never worked better, if you're capable, I would recommend it,
Scott
PS...some will try to say that a C10 master is too small because of it's bore when in reality, it's bigger (because the system is split in half) | | | | | Joined: Mar 2011 Posts: 667 Shop Shark | | Shop Shark Joined: Mar 2011 Posts: 667 | Hey Scott...which truck did it go in and do you have any pix? I am looking for a dual pot solution for my '46 1.5 ton. Have zero faith in the old single pots...any leak, anywhere = zero stopping. | | | | | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | No pictures, the truck is now retired due to rust issues. I put it in my 48 1 1/2. I just made an "L" shaped bracket that attached to the original masters location making sure there was enough room for the booster. I then cross braced it to beef it up, mounted the master and made an adjustable pedal rod. Split the front and rear brakes to the master and spent a good long time bleeding and adjusting. Since my truck went to 12 volts, I also plumbed in a pressure switch for the brake lights. This was close to 20 years ago and the truck still has brake pedal!
Scott | | | | | Joined: Mar 2011 Posts: 667 Shop Shark | | Shop Shark Joined: Mar 2011 Posts: 667 | Thanks Scott --- I will have to take a look at that combo and see if it looks transplantable to my 46. Not sure what significant differences there were between the Art Deco series and the Advanced Designs but I'm hoping for an "easy" fix (ya, right).
Had a mid '60's Furd pickup that wound up with a crumpled fender when a rear wheel cylinder went South. Lucky for me it was barely rolling when it all went away. Swapped it for a dual and swore I'd never challenge that particular demon again. | | |
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