From drum to disk on 70 chevy prop. Valve

[camaney]

I have a question I'm changing the ditrubutuion block for the prop. Valve that I got from a 71 72 gmc and I notice that the brake line firings are different size so my ? Is do they sell a fiting adapter for this or do I have to make my own if they do does anybody have the part numbers? Thanks
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[lolife99]

They make adapters.

I can get them at my local hardware store.
Hard to believe,... but the local auto parts stores don't have them.
Just ask for "inverted flare" adapters.

[camaney]

Do you know what size or do I have to take mine in to make sure?
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[lolife99]

I would take in what you are trying to convert to.
They make adapters to make the nut size bigger or smaller.

[lolife99]

I assume you are changing the Master Cylinder also?
You need one for disc brakes.
I used this M/C and prop valve from www.PerformanceOnLine.com.

You can see where I uses adapters on the two factory lines.
I had to re-bend a couple new lines, but the short lines from the M/C to the prop valve came from POL.

[camaney]

Thanks lowlife I'm goin to be using the regular 71 72 chevy master cyl. I just been running my truck with the drum master and dis block and it stops good with dick brakes but since everybody changes that too i'm gonna do it too to see if there is a difference and just in case you never know
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