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01-11-2016, 06:09 PM | #1 |
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Join Date: Nov 2007
Location: baltimore, maryland
Posts: 617
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Re: 1970 K20 Restoration
First, congrats! I have one on the way as well (May) but I was lucky and got my truck done first.
I had an Ho52 Rear in my K20 and looked around for a dana 60 out of a GMC from the same year. I found one out of a 71 K20 and it dropped right in with no mods at all. I did add rear disc brakes, but spring perches were perfect as were the shock locations. There may be Dana 60's out of some fords that work as well, but the GMC's had Dana 60's while the Chevy's got Ho52's for some reason. At least that is what I had read here. Good luck Chris
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01-11-2016, 06:51 PM | #2 | |
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Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
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What benefit would a Dana 60 have over the ho52? If I'm understanding it right, I'd still have to add rear disc brakes to a Dana 60, correct? Would that just be a bolt on kit? Is there any way to use the ho52 and just add disc brakes? Pros, cons: ho52, Dana 60, corporate 14 bolt? School me, I'm new to this. Basically I'd like to keep it as simple as possible and add disc brakes. Keeping the original ho52 is something I would prefer, but if parts are hard to find that may not be the best idea. Thanks |
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01-12-2016, 08:52 AM | #3 | |
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Join Date: Nov 2007
Location: baltimore, maryland
Posts: 617
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Re: 1970 K20 Restoration
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strong as all get out. Any of these axles can be converted to disc brakes using kits made by various manufacturers that provide a bracket that mounts to the axle (no welding) new rotors and either truck or cadillac calipers. If ground clearance is an issue for you the Dana 60 has a smaller case than the corporate 14 bolt so that is an advantage as well. So, without a welder (dana60) with a welder (corporate 14 bolt.) BTW, drum brakes work great and no need to change to disc unless you want to. Be aware that the drum brakes since stock will allow you to maintain the stock e-brake. If you switch to disc you will need to make a provision for the emergency brake or go without one. First, You have to order calipers that have e-brake capabilities. You may need to order custom e-brake cables and have brackets made to secure them to the caliper. I have also read about people using driveline brakes or line-locks. If you read through my build you will see my solution. Cheap, but did require welding. Works great! So that's my 2 cents. Good luck making a decision and have fun with it. Before I got a welder I was in your shoes. I wanted to change the rear without needing to weld anything. The dana 60 was my choice because it dropped right in and allowed me to change my gear ratio from 4:10 to 3:73, i was able to convert to disc and had a lit of ground clearance. I also knew I wasn't going to be wheeling so didn't need the strength of the 14 bolt. Cheers Chris
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Project Reno Build http://67-72chevytrucks.com/vboard/s...d.php?t=392636 Easier to beg forgiveness than ask permission! |
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01-12-2016, 10:46 PM | #4 | |
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Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
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