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09-29-2020, 12:45 PM | #1 |
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Join Date: Dec 2012
Location: Temple City
Posts: 3,574
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Re: 83 c20 upper and lower control arms on 68 c20
I have never swapped crossmember between generations, but if your wanting to swap the arms. With all the differences there maybe or could be.
Is he not better off to swap the crossmember too at this point? |
09-29-2020, 01:23 PM | #2 |
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Join Date: Apr 2001
Location: DALLAS,TX
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Re: 83 c20 upper and lower control arms on 68 c20
Swapping the x-member makes it easier for ID purposes on what to use so 'yes'. But, swapping x-members between generations can yield other differences since the rails are slightly different.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
09-29-2020, 03:07 PM | #3 |
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Join Date: Mar 2020
Location: Portland, OR
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Re: 83 c20 upper and lower control arms on 68 c20
My 67 c20 to later c20 setup used the stock cross member. I don't see why you would need to change it. I think that all the mounting points are the same.
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09-29-2020, 05:57 PM | #4 | |
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Join Date: Apr 2001
Location: DALLAS,TX
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Re: 83 c20 upper and lower control arms on 68 c20
Quote:
The main differences are usually the upper a-arm shaft mounting hardware & lower a-arm u-bolts being different sizes. The hardware sizes increased when the disc brakes were introduced on the later model trucks. The upper a-arm shaft mounting studs are also larger for C20's vs C10's.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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10-03-2020, 12:32 AM | #5 |
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Join Date: Apr 2018
Location: Cool, ca
Posts: 5
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Re: 83 c20 upper and lower control arms on 68 c20
Ok thanks for the input. The sizing all looks the same
So far Putting the arms next to each other (i have the front clip off). I plan on swapping the arms and using my original Drums for now and later doing discs. The ball joints look the same size. Should this work? |
10-03-2020, 01:24 AM | #6 | |
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Join Date: Apr 2001
Location: DALLAS,TX
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Re: 83 c20 upper and lower control arms on 68 c20
Quote:
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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10-15-2020, 01:28 AM | #7 |
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Join Date: Apr 2018
Location: Cool, ca
Posts: 5
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Re: 83 c20 upper and lower control arms on 68 c20
Had a chance to to get this done today and the a arms matched up
Great. Everything fits nice. I added new springs and shocks. Getting the Otherside done tomorrow. |
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