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03-12-2018, 01:50 PM | #1 |
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Join Date: Mar 2018
Location: St. Petersburg, FL
Posts: 1
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68' C30 Brake conversion
just recently acquired a 1968 C30 1 ton dually. I would like to do a disc brake conversion but all i can find is information for C10's and C20's. The C30 is an 8 lug and i was wondering if the C20 8 Lug was the same set up. where i can directly bolt in C20 disc brake kit... any help in this matter is greatly appreciated.
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03-12-2018, 02:31 PM | #2 |
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Join Date: Jul 2016
Location: Elkhart, Indiana
Posts: 292
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Re: 68' C30 Brake conversion
If I remember correctly, the C30 and C20 stuff is pretty interchangeable. If you have a dully I know you'll have to get different rotors, but everything else should be interchangeable.
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1967 Chevy C20 to K20 Conversion "Simply Toxic" http://67-72chevytrucks.com/vboard/s...d.php?t=749409 1971 Chevy C20 Custom Camper LS Swap http://67-72chevytrucks.com/vboard/s...d.php?t=763775 |
03-12-2018, 07:09 PM | #3 |
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Join Date: Oct 2006
Location: Orland Park Il
Posts: 2,041
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Re: 68' C30 Brake conversion
Squarebody spindles, rotors, dust shields, and ball joints will all work on your ‘68 control arms. 20/30 are the same as long as it’s not a cab and chassis.
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68 GMC C3500 Longhorn DRW 67 Chevy C10 LWB 90 Mustang Gt 90 Mustang Notchback |
03-12-2018, 08:02 PM | #4 |
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Join Date: Oct 2008
Location: Marianna Arkansas
Posts: 7,279
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Re: 68' C30 Brake conversion
If your truck has dual rear wheels get your parts off a
c30. The things you have read about conversions using squarebody parts will work it is just bigger and heavier. Try to think this way 10 to 10, 20 to 20 and so on. That will make a huge diff in you old heavy hauler. Enjoy. |
08-25-2018, 06:02 PM | #5 |
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Join Date: Oct 2012
Location: Dayton, Nevada
Posts: 4
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Re: 68' C30 Brake conversion
I have a 68 GMC c3500 and I acquired a set of 77 c30 disc spindles. Will these work with the 68 ball joints? Tried to find the difference at my local parts store but the weren't much help since they had neither years of ball joint in stock and the do not have any spec on length/with of ball joints available.
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72 chevy k20 72 chevy k20 on rockwell's 68 GMC3 c3500 69 GMC k20 353t detroit |
08-26-2018, 12:36 AM | #6 |
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Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,574
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Re: 68' C30 Brake conversion
At least for drum brakes, all the 1T stuff is bigger. I'd expect the same for the disc brake parts, but I have no experience with it. Maybe if you keep looking at parts stores, you will eventually find a counterman who knows his stuff. I had to visit the local NAPA several times until I finally got my 3/4T rear brake adjuster components. Some were boxed wrong Chineseum was most of the problem.
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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8 lug, c30, disc brake conversion |
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