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Old 03-10-2024, 09:51 AM   #1
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Join Date: Feb 2003
Location: Grand Rapids MN
Posts: 13,714
Brakes! Not so standard after all...

Been working on the 69 4x4 and going through brake lines now. Of course thinking ahead and ordered new stainless front brake lines for my 4" lift, new prebent lines from in line tube and new master cylinder from frank on the board here. I put a disc brake front end in and ordered everything for a 72 short 4x4 with 4" lift.

First issue, front hoses for a 72 with a 4-6 inch lift are not long enough, Seems odd but i can figure that out. Start laying out all my prebent metal lines. The rear axle lines are not correct, maybe i got the wrong kit?
Time to research... Turns out 70 and older the brake hose went in front of the bump stop which explains why the hoses i returned were not long enough. Relocate them to the 71-72 position and the C-20 lines Special-K mentioned awhile back work good.

Second issue. looks like 72 is the only year that has a different hanger for the rear rubber line and relocating the junction block to the rear end instead of the axle. News to me. Not sure if this is a leaf spring deal, a 4x4 deal or a 72 deal. Looks like my steel lines should be correct now.

Not sure if this has been covered before but figured i would share anyhow. Please add info or correct me if i am wrong on my assumptions.

Pic 1 and 2 are on my 69, 3 and 4 are on a 72 frame.
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67 gmc custom lwb dakota truck. Sold...And bought back
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