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Brake line size??

Discussion in 'The Hokey Ass Message Board' started by Tugmaster, Dec 26, 2006.

  1. I am getting ready to run new brake lines on my 50 Chevy. Should I use 3/16" or 1/4" brake lines. The particulars (if it matters) 94'S-10 rear drum, 54' front drum, 67-76 non-power Vette master cylinder.

  2. Bear Metal Kustoms
    Joined: Jul 31, 2004
    Posts: 1,856

    Bear Metal Kustoms
    Alliance Vendor

    I have a similar setup and used 3/16.. most of my cars are plumbed with 3/16 lines...EVILT
    Joined: Nov 22, 2005
    Posts: 7,594

    from SIDNEY, NY

    1/4 inch from front back to rear brake hose, and 3/16 from hose out to each cylinder.
  4. ray
    Joined: Jun 25, 2001
    Posts: 3,731


    when building from scratch, i use nothing but 3/16. no need to use 1/4.
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  5. GTS225
    Joined: Jul 2, 2006
    Posts: 960


    I suggest Heathen posted good. You don't really need 1/4 for a rear drum setup, BUT....if you at some later date change over to a rear disc setup, you might need the volume that a 1/4 line would flow. Run the 1/4 to the rear, but use 3/16 everywhere else. It won't make any difference in brake performance, and the expense is negligible.

  6. jusjunk
    Joined: Dec 3, 2004
    Posts: 3,139

    from Michigan

    Ive got disks all around on my 32 coupe and 3/16 lines .. they work fine!
  7. 53sled
    Joined: Jul 5, 2005
    Posts: 5,821

    from KCMO

    I used 3/16. Vette master, disc front, stock drums in rear and an adjustable valve to the back. I am curious why you chose a disc master for a 4 wheel drum setup over a chevelle/mustang 1" drum master?
  8. Bob Dobolina
    Joined: Jul 27, 2006
    Posts: 332

    Bob Dobolina

    vette m/c, 2 lb residual valve in the front, 10 lb in the rear. 3/16 line to the rear, 1/4 to the front. stock MII calipers & 10in drums w/7/8 wheel cyl. Truck squats & stops. Period. No nose dive, no worries.

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