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| | | Forums66 Topics128,140 Posts1,056,776 Members48,454 | | 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jan 2005 Posts: 62 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2005 Posts: 62 | I know that there is a safety issue with the concept of single vs. dual master and brake lines. But I am seeking the opinions of others. Will a new, well maintained single line system be safe on a daily driver 1 ton 3800 panel when coupled to a re-built Hydrovac? What are the issues about using a Hyrdovac on the front leg of a dual line system. The aftermarket suppliers of underfloor power masters are not too positive about putting their 1/2 ton units on a 1 ton and I have the Hydrovac. Thanks, Don | | | | | Joined: Feb 2005 Posts: 60 Member | | Member Joined: Feb 2005 Posts: 60 | www.ecihotrodbrakes.com The remote booster will work on a 1 ton part # EC 1400 a bit pricy but its needed. With this booster you can mount it anywere and just run a 2 line master. Toss the Hydro. Safe way to go. Might be over kill on our smaller trucks. | | | | | Joined: Nov 2004 Posts: 22 Junior Member | | Junior Member Joined: Nov 2004 Posts: 22 | I'm thinking about using a dual master cylinder with two Hydrovacs. A booster is required for 8800 lb GVW on my 1-ton, and I like the idea of a dual master, so why not? I'll mount a Hydrovac and vacuum can on each side of the frame. | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | Many of the large trucks had dual boosters with double master cylinders. 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: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Both my 4400 and my 6400 have the standard Hydrovac single cylinder units. I'm thinking that a bracket similar to those that mount a booster and dual master on a pickup would allow doing the same on the bigger trucks.
Might need to custom fabricate the bracket.
Then I plan to use a bigger booster and master from a C60 or similar truck.
I'm some research short of starting this, but I'm hoping to approach it that way.
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... | | |
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