6066 (1960-1966) GMC Truck Club

6066 (1960-1966) GMC Truck Club (https://6066gmcclub.com/index.php)

- Wheels, Tires, Suspension and Brakes (https://6066gmcclub.com/forumdisplay.php?f=23)

- - Brake Line Size (https://6066gmcclub.com/showthread.php?t=47425)

Strud

March 3rd, 2013 03:17 PM

Brake Line Size

I am upgrading my brakes on my 66 1500 3/4 to front disc and stock rear drum brakes with a power booster & dual res m/c. My question is what size line should I use? 3/16" to the rear with 1/4" to the front or 1/4" all around or does it depend on the M/C? I will be replacing the rear wheel cylinders and all brake lines so as not to have any issues.

Thanks in advance.

Strud

FetchMeAPepsi

March 4th, 2013 01:58 PM

Re: Brake Line Size

3/16 all around is the usual for a replacement. That's what Id go with.

raycow

March 5th, 2013 12:53 AM

Re: Brake Line Size

I converted my 60 to discs a few years ago. The lines coming off the MC are 1/4". From the front and rear tee fittings to the individual wheel cylinders or calipers they are 3/16".

Ray

Strud

March 8th, 2013 03:17 AM

Re: Brake Line Size

Thanks for the replies.

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