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Thread: First Gen Disc Brake Conversion

  1. #1
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    First Gen Disc Brake Conversion

    Just completed the conversion of my front drum brakes to disc using M1Dadio's brackets, parts list and instructions. The project went really well with the only issue being the usual parts sourcing delays. Got most of it through Napa and Summit. Once I saw all the different fitting sizes I would need for the steel brake lines with new proportioning valve and residual valves I just had Inline Tube put them together with straight pieces and I bent to fit at home.

    What a difference! As Michel points out, it doesn't make the van stop like a C7 Corvette but it's a big improvement. Not only does it stop quicker it almost feels like power brakes compared to the stock setup. I have plenty of pedal but it feels "softer" for lack of a better term, just don't have to mash it down so hard on a steep decline to stop and stay stopped waiting for the light to change. My knee appreciates it!

    One tip - before you try to figure out your new line placement, go ahead and decide where and how you will mount the proportioning block. I ditched the bracket that came with mine and bolted it directly to the van's floor right in front of the doghouse (under the van of course ;-). I used two pieces of 1/8" flat bar to reinforce the floor sheet metal, probably overkill. And you can't see it well in the picture but there are three or four washers "elevating" the block off the floor so I had plenty of room for wrenches to tighten the line fittings. The one racetrack line is because I mistakenly ordered that line 2 ft instead of 1 ft so I had to shorten it. I'll probably reorder that one to clean up the looks but then I'll have to re-bleed the lines which is a PITA. I was able to re-use the existing long line to the rear axle, and the two lines to the front brake hoses/calipers. Those were new when I converted to dual master cylinder a few years ago.

    Click image for larger version. 

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  2. #2
    VCVC Member BILLS66's Avatar
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    Very nicely done ! That is one of the best upgrades you can do! Did mine 10 years ago and they still work great . Bill
    1966 Chevy G10 Panel, 283 small block/turbo 350,Disc brakes

  3. #3
    VCVC Member LedZeppvan's Avatar
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    Great Job! Congratulations
    Jacke

    1964 GMC Handi-Van Custom 350
    1971 Ford Mustang 302
    1957 Karman Ghia Project

  4. #4
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    How much did you put into the conversion if you don't mind me asking?

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