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M-Thrax, are you comparing the longevity of armored versus non-armored brake lines? You say, "...whats funny is both 5/16" unarmored lines were rotted like this and the six 1/4" armored lines look good to go". Do you have information to indicate that each of those brake lines were put into service at the same time?

That line also looks very wet...Was it encased in crud or being leaked on?
Conditions such as that would increase the corrosion factor substantially.

M-Thrax wrote:No Wes
re read my post
I know how to take off old brake lines
"light surface rusted line "??
Did you not see my photo??this was so rotted that as soon as I started to turn the nut the pipe just snapped., If I had tried putting pliers to the tube it would only have just crushed it. I could have soaked it for a year in Blaster and the same thing would have happened, patience had nothing to do with this failure

I understand where you are coming from, took off hundreds in the same condition over years.

Paul
No I'm not making a comparrison, I'm making a observation there is no certin proof that either lines are the same age only that the old paint build up on the lines are the same thickness & color variety, if they are the same age which I believe they are I would have thought that the armored lines would have rotted out first as they are more suseptable to holding crud
Capt
The wetness was Blaster or what ever residual BFS ( silicone) fluid was left in the line when it broke loose as it was not leaking before I tried removing it. The rotted end of this line is exposed as it hangs down between the rear axles and ties into the t block with the soft hose's that run to each armored line, this type of corrision was rampant under my deuce and the rotted cargo bed ( click link below)

http://news.webshots.com/album/559979523JkHVIq

Thats some impressive crust you had going there!

" Thats some impressive crust you had going there! "

Yeah...impressive was not the "word" I used when I pulled off the bed and got a good look underneath , unfortunately they won't let me use that word here

Tks M Thrax for the NAPA part numbers on the brake lines. The price
seems pretty reasonable so I don't see why someone wouldn't go this route when replacing old lines. They will look original and help prevent
any possible abrasion. Not that anyone will ever look under my truck to see if it's got all the "correct" parts. MY first goal is to get the M to reliably run and stop but hey, "everyone to their own poison"