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Old 02-18-2008, 12:54 PM   #1
kantista
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6 lug disc brake question

I am thinking about ordering GMCPauls 6 lug front disc conversion. I am going to run manual brakes(no power booster). Does anyone know what year master cylinder/proportioning valve I need to use? I have a 73 c10 master cylinder laying around somewhere, I dont know if it will work.
Thanks for your help,
Keith
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Old 02-18-2008, 07:52 PM   #2
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Re: 6 lug disc brake question

just performed the exact same swap on my truck. GMCPaul's McGaughy spindle kit and I'm also going non power brake booster as well.

I just went with a 71 1/2 ton truck master cylinder ($17 at the local Oreilly) and a CPP prop valve. haven't road tested it yet, but everything went together like a glove!!
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Old 02-18-2008, 08:58 PM   #3
kantista
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Re: 6 lug disc brake question

Doug,
Thanks for the info. If you dont mind let me know how it works on the road.
Keith
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Old 03-06-2008, 11:34 PM   #4
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Re: 6 lug disc brake question

Bump for pics or end result
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Old 03-07-2008, 04:22 AM   #5
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Re: 6 lug disc brake question

haven't had it on an actual trial run. still having some starting issues, but I will be sure to update you. hopefully this coming weekend.

sorry for the delay guys!
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Old 03-07-2008, 08:02 AM   #6
kantista
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Re: 6 lug disc brake question

You are farther along than me. I havent started the conversion yet. I did get all the parts to lower the rear and started the body work so I can atempt to paint it. I hope yours works well, keep us posted.
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Old 03-07-2008, 08:11 AM   #7
70c10
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Re: 6 lug disc brake question

I grabbed a 71' prop valve at the junk yard for $5 and a reman MC from Autozone for $14 also for a 71'.
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Old 06-17-2008, 03:48 AM   #8
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Re: 6 lug disc brake question

Bump for updates....
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Old 06-17-2008, 07:48 AM   #9
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Re: 6 lug disc brake question

been driving the crap out of my truck. I'm quite happy without the power booster. keeps the engine bay uncluttered.
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Old 06-17-2008, 07:52 AM   #10
red71cheyenne
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Re: 6 lug disc brake question

How does it do without the power booster? Notice any sluggish response on the brakes or anything?
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Old 06-17-2008, 01:41 PM   #11
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Re: 6 lug disc brake question

Are you guys using a booster type master cylinder as a manual type? Or are you using a manual drum type master cylinder for a manual disc?

Please explain. Thanks!!
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