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Thread: Brake Line Size

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    Aspen and Volare Senior Member SpeedBanana1977's Avatar
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    Brake Line Size

    Went to start the 1979 Volare up yesterday and brake pedal went to the floor--like stepping on a plum. Checked the master cylinder and it looks empty. I didn't look further but anticipating that the hard line has rusted through somewhere. What's the right size brake line for an F-Body with a Slant Six? Thanks in advance.

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    Aspen and Volare Super Member 77rr2x4s's Avatar
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    Dantes Mopar parts have the pre bent front lines listed on their site. https://dantesparts.com/i-30498147-m...line-sets.html
    Complete sets can be had from Inline Tube.

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    Aspen and Volare Senior Member SpeedBanana1977's Avatar
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    Thanks. Any idea what the tube diameter is? Might have to bend my own.

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    Aspen and Volare Super Member 77rr2x4s's Avatar
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    IIRC, 3/16 inch. don`t forget the rubber lines would most likely be the first to fail. Two front hoses and the one at the rear axle. Which section of the master cylinder is empty? Could be a wheel cylinder too. Leaks should be obvious.
    Last edited by 77rr2x4s; 02-05-2019 at 09:37 AM.

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    Aspen and Volare Senior Member SpeedBanana1977's Avatar
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    Thanks again. I'll have to do some further investigating. Pretty sure both sides of the master cylinder were empty. I ordered up the rubber lines. Figured since I have to mess around with this, I might as well replace everything.

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    Aspen and Volare Super Moderator aspen79's Avatar
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    Inline tubing has (or had) pre-bent brake line kits for F/M/J. The price is under $100 for coated steel.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

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    Aspen and Volare Super Member 77rr2x4s's Avatar
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    Not $100 anymore. Inline tube complete set i bought was $182 shipped on 7 / 2017

  8. #8
    Aspen and Volare Super Moderator aspen79's Avatar
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    One thing guaranteed in life is that prices will go up I guess. Mine were $89 but that was probably 2007 or 2008, something like that anyway.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

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    Aspen and Volare Super Member 77rr2x4s's Avatar
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    That was the coated steel lines. I don`t know what stainless lines were $$$.

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    Aspen and Volare Super Member 77rr2x4s's Avatar
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    BTW, I tried stainless lines on another car years ago and I had a hard time with them sealing. I prefer the coated lines.

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