What size brake line do I need??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

BarryB · 03-23-2014, 12:53 PM

I finally am to a point where I can rebuild and install my brakes, lines included.(lines are pretty much non-existent) I was going to buy a kit from Inline tube, But I decided to make my own. So I bought their flaring tool, Which is AWESOME I might as well say. http://www.ebay.com/itm/181212183753...84.m1423.l2649
Ok now to my original question. My truck is a Frankenstein project. Pieces from just about every year. LOL The brake lines have been botched. So what is the correct size for the rear and front brakelines. I'm going to be using SS. I believe. advantages or disadvantages???? I know I could figure it out, but Im being lazy and decided to give you guys a shout.

**PGSigns** · 03-23-2014, 07:30 PM

I did mine with all 1/4". I like working with plane steel.
Jimmy

BMERDOC · 03-23-2014, 07:54 PM

IIRC, drum/drum use 1/4" all the way around and disc/drum systems used 3/16" in the front and 1/4" for the rear.

BarryB · 03-23-2014, 08:58 PM

Thanks guys, From the remnants of line there, I do believe it is 3/16 up front for disc, and the 1/4 going to the back. Another reason I decided to buy the flaring tool, was so I could make my own fuel and trans cooler lines, and give it a more professional job. I had bought pne the other type of flare tools, I would get more frustrated trying tomake a set of lines then it was worth. So in the bottom of the tool box that one will go.

03-23-2014, 12:53 PM	#1
BarryB Senior Member Join Date: Jul 2006 Location: Blountville, Tn. Posts: 3,904	What size brake line do I need??? I finally am to a point where I can rebuild and install my brakes, lines included.(lines are pretty much non-existent) I was going to buy a kit from Inline tube, But I decided to make my own. So I bought their flaring tool, Which is AWESOME I might as well say. http://www.ebay.com/itm/181212183753...84.m1423.l2649 Ok now to my original question. My truck is a Frankenstein project. Pieces from just about every year. LOL The brake lines have been botched. So what is the correct size for the rear and front brakelines. I'm going to be using SS. I believe. advantages or disadvantages???? I know I could figure it out, but Im being lazy and decided to give you guys a shout. __________________ We could learn a lot from crayons... Some are sharp; some are pretty;and some are dull. Some have weird names; and all are different colours;but they all have to live in the same box. You may be only one person in the world, But you may also be the world to one person. * Some mistakes are too much fun to only make once. Two rules in life. 1. Never sweat the small stuff! 2. Everything is small stuff!

03-23-2014, 07:30 PM	#2
PGSigns Senior Member Join Date: Jan 2011 Location: Hayes Va Posts: 4,569	Re: What size brake line do I need??? I did mine with all 1/4". I like working with plane steel. Jimmy __________________ 60 to 66 Chevy and GMC window decals http://67-72chevytrucks.com/vboard/s...d.php?t=661131 Good friends, good food and a hotrod what else do you need? 1966 BBW long fleet Daily driver 1965 BBW short fleet Sold and going to a good home 1965 Suburban 2003 3500 Duramax 2005 Ultra Classic

03-23-2014, 07:54 PM	#3
BMERDOC Registered User Join Date: Jun 2011 Location: Richmond,Va Posts: 2,934	Re: What size brake line do I need??? IIRC, drum/drum use 1/4" all the way around and disc/drum systems used 3/16" in the front and 1/4" for the rear. __________________ Nick Carter 1967 C10 Short bed Fleetside Project Cheap Thrills! 2WD C10 Modern/Performance Alignments Easiest Alignment Ever!

03-23-2014, 08:58 PM	#4
BarryB Senior Member Join Date: Jul 2006 Location: Blountville, Tn. Posts: 3,904	Re: What size brake line do I need??? Thanks guys, From the remnants of line there, I do believe it is 3/16 up front for disc, and the 1/4 going to the back. Another reason I decided to buy the flaring tool, was so I could make my own fuel and trans cooler lines, and give it a more professional job. I had bought pne the other type of flare tools, I would get more frustrated trying tomake a set of lines then it was worth. So in the bottom of the tool box that one will go. __________________ We could learn a lot from crayons... Some are sharp; some are pretty;and some are dull. Some have weird names; and all are different colours;but they all have to live in the same box. You may be only one person in the world, But you may also be the world to one person. * Some mistakes are too much fun to only make once. Two rules in life. 1. Never sweat the small stuff! 2. Everything is small stuff!

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