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Old 01-30-2006, 06:38 PM   #1
bighead
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? about rear end brake lines

I've just swapped out the old 6 lug coil rear in my 67 1/2 ton for a 5 lug coil rear. On the old rear the two brake lines came from the backing plates and met at a brass block which passed through a tab on top of the axle tube. The new rear end has a horseshoe shaped tab welded to the front of the axle tube. My old brake lines don't seem like they will work. Does anybody know what year this might be? Do the brake lines still meet at a brass block? How does it attach to the horseshoe shaped tab? thanks, bighead
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Old 02-04-2006, 03:02 AM   #2
tom71
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Re: ? about rear end brake lines

mine is a seventy one and it sounds like the one you described there is a threaded hole on the tab and a bolt goes thru a rubber brake hose with a brass fitting on the end
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Old 02-04-2006, 11:31 AM   #3
bighead
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Re: ? about rear end brake lines

Thanks for the reply Tom. I ended up fabbing a tab like the one on the 67 rearend and welding it in place. That way I was able to use all my brake lines and such.
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Old 02-04-2006, 12:56 PM   #4
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Re: ? about rear end brake lines

were your lines long enough? I seem to remember the 69 and earlier rear-ends being shorter than the 5-lugs.
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Last edited by smbrouss70; 02-04-2006 at 12:56 PM.
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Old 02-04-2006, 03:58 PM   #5
bighead
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Re: ? about rear end brake lines

Yep, they have some generous bends around the perches, etc. Pulled just a little slack out of them and they were fine
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Old 02-04-2006, 03:59 PM   #6
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Re: ? about rear end brake lines

good to know, thanks
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"If dogs don't go to heaven, when I die I want to go wherever they went." -- Will Rogers
R.I.P. Oscar

R.I.P. Ratchet

1967 Pontiac GTO - Dad was the Original Owner
1970 Chevy 2wd SWB "Oscar's Truck"
1970 Chevy 2wd Blazer "Ratchet's Blazer"
2013 Chevy 2500HD Crew Cab Duramax/Allison Z71 LTZ "Brown Sugar"
2017 Chevy Suburban "BDB"
2020 Chevy Blazer Premier "Foxy"

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Old 02-05-2006, 12:12 AM   #7
dennislbrooks
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Re: ? about rear end brake lines

keep me in mind if you get rid of the 6 lug coil--I am mainly after the axles---was it a positrac of sorts?
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