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11-05-2020, 03:15 AM
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#1 |
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Registered User
Join Date: Jan 2013
Location: 3,018 feet above the SoCal/Mojave Desert region.
Posts: 372
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Rack & Pinion conversion questions.
1969 GMC 3/4 ton with disk brakes and control arms from a 1971 GMC 3/4 ton.
Who has done one and do you like it?? Will it fit a 3/4 ton?? You have pics if done?? Most places I look says for 1/2 tons. Thanks. Last edited by desert-rat; 11-05-2020 at 08:41 PM. |
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11-05-2020, 01:02 PM
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#2 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,628
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Re: R&P conversion questions.
Try being more specific with your question. I cannot figure out what you are asking
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11-05-2020, 01:06 PM
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#3 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: R&P conversion questions.
The control arms should be the same ball joints will be different in the arms should be the only difference
You will need the steering linkage from the 71 truck as well as they slso differ from drum to disc trucks |
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11-05-2020, 01:25 PM
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#4 |
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Registered User
Join Date: Mar 2014
Location: Simi, CA
Posts: 495
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Re: R&P conversion questions.
Totally misread, need coffee. Post removed. Sorry
Last edited by Big Kev-O; 11-05-2020 at 11:39 PM. |
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11-05-2020, 01:56 PM
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#5 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: R&P conversion questions.
Lol i did not read the title
Have you contacted western chassis I have seen rack and pinion kits built for 67 72 trucks on there site |
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11-05-2020, 01:59 PM
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#6 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,628
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Re: R&P conversion questions.
Ah..rack and pinion....
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11-05-2020, 07:30 PM
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#7 |
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Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,350
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Re: R&P conversion questions.
I was thinking R&P was ring and pinion!
 Boy was I confused.
__________________
Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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11-05-2020, 08:40 PM
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#8 |
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Registered User
Join Date: Jan 2013
Location: 3,018 feet above the SoCal/Mojave Desert region.
Posts: 372
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Re: R&P conversion questions.
Sorry for all the confusion. Im asking about installing a rack & pinion. Everywhere I look says for c10. I know ball joints are different between the 1/2 ton and 3/4. I'm looking for a rack & pinion for a GMC 3/4 ton. I mentioned that I have front disk brakes and control arms from a '71 GMC 3/4 ton in case it needed to be known. Thanks.
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11-10-2020, 12:44 AM
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#9 |
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Active Member
Join Date: Nov 2018
Location: SHERWOOD PARK, AB
Posts: 113
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Re: R&P conversion questions.
If it helps, a No Limit rack and pinion will fit into a C20 frame. I only had to modify slightly where the bearing mounts to the frame. I have all C10 suspension on the frame though (QA1), with 73-87 spindles (that needed to be modified slightly).
I'm thinking it should work with the C20 suspension. The only issue I might foresee you running into will be mounting the tie rod ends to the spindles if the C20 tie rod ends are a larger diameter. This is what I had run into (73-87 tie rods larger than 67-72). I had a machine shop drill out the tapered hole in the spindle and press in a sleeve to fit the No Limit tie rod ends. It all came together quite nicely in the end. Now to finish the rest of the truck so I can actually drive it. |
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