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#1 |
Oilfield Trash
Join Date: Sep 2003
Location: Raymore, Sk, Canada, Earth
Posts: 3,171
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Changing from drum to disc in front
when u change over from drum to disc brakes can you just bolt on the disc brake spindles to the original a arms or do you have to change the a arms as well?
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14 Dodge 3500 Mega Cab 08 Dodge 3500 Mega Cab 87 Chev 3+3 4x4 80 GMC K10 High Sierra bone stock 70 Chevelle 350SS long term project 68 GMC 3ton Grain Truck/Garbage wagon 50 Pontiac 2 Door Coupe Project "I've got a shotgun rifle and a 4 wheel drive and a country boy can survive" Hank Jr. |
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#2 |
Senior Member
![]() Join Date: Mar 2000
Location: Rockville,In. USA
Posts: 3,720
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If using 63-70drop or stock height disc brake conversion spindles you don't need to change anything, if using 71 up spindles unbolt the entire crossmember with a-arms and all steering parts attached up to and including the pitman arm and roll it out from under the donor vehicle then do same on your truck and roll the donor under and bolt it on. Otherwise you will need to swap out upper & lower ball joints in your current a-arms for 71 up style or swap a-arms as you said and rather than unbolting everything from donor individually its much easier to do the swap as a assembly. The lower a-arm on 71 up trucks also has the brake lines to hose mounting tang attached on the front of lower a-arm on 70 and earlier this is attached at the rear of the arm.
GMCPaul |
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#3 |
Oilfield Trash
Join Date: Sep 2003
Location: Raymore, Sk, Canada, Earth
Posts: 3,171
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but the 71 ball joints will work with the old style a arms, or what?
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14 Dodge 3500 Mega Cab 08 Dodge 3500 Mega Cab 87 Chev 3+3 4x4 80 GMC K10 High Sierra bone stock 70 Chevelle 350SS long term project 68 GMC 3ton Grain Truck/Garbage wagon 50 Pontiac 2 Door Coupe Project "I've got a shotgun rifle and a 4 wheel drive and a country boy can survive" Hank Jr. |
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#4 |
Registered User
Join Date: Jul 2001
Location: North Louisiana
Posts: 4,501
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Yes, '71 ball joints will work in your old style a-arms.
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#5 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,977
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71-72 style will work as well as 73-87 ball joints.
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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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#6 |
Oilfield Trash
Join Date: Sep 2003
Location: Raymore, Sk, Canada, Earth
Posts: 3,171
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koo
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14 Dodge 3500 Mega Cab 08 Dodge 3500 Mega Cab 87 Chev 3+3 4x4 80 GMC K10 High Sierra bone stock 70 Chevelle 350SS long term project 68 GMC 3ton Grain Truck/Garbage wagon 50 Pontiac 2 Door Coupe Project "I've got a shotgun rifle and a 4 wheel drive and a country boy can survive" Hank Jr. |
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