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Old 03-08-2003, 08:53 PM   #1
69blue
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Location: North Vernon, IN (approx. 50mi. so. of Indy)
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Question disc brake conversion

I have a question that I know someone can answer! I own a 69 c-10 2wd drum brake truck. I purchased a 71 c-10 2wd with disc and 5 lug. My 69 has power drum brakes and 6 lug hubs of course. My question is, when converting to the 5 lug, and disc brakes, do I have to change brake boosters, porportioning valves? Also, on the rear, do I have to change the whole rear end, or can I get by with changing just the axles and the backing plates along with the brake shoes? I almost forgot. Do I need to change more than just the spindles on the front, or is there something else I am not seeing? I know someone out there has been at the same point that I am at. Look forward to some info. Thanks, 69blue.
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Old 03-08-2003, 11:21 PM   #2
ChevLoRay
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I'd say the spindles on the front, and the proportioning valve. The booster will work for either disc or drum, but you will need a disc brake master cylinder.

Change the entire rear axle assembly. The axles on the 65-69's are shorter than the 70-72's.
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Old 03-10-2003, 08:51 AM   #3
69blue
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Thanks for the info. I never even thought about the axles being different witdths!
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