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#1 |
Torn between 66 and 78
Join Date: May 2008
Location: So. Cal.
Posts: 253
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84 3/4 truck parts that are usable for a 66?
My buddy has a 3/4 ton '84 at his buddys house. He told me I can go over there and take what I need from it. Now, I want to grab the lower control arms, spindles, calipers, power steering box, ps pump, ps hoses, idler arm, and the distributor. Brake booster is all ready gone
My questions to you are: Will my list of grabs work on our trucks? Anything else that would be a worthwhile swap for our trucks? The truck is a 8-lug, can I buy 6-lug rotors for them and slap them on that spindle? Am I forgetting something? Any help and opinions are appreciated. Thanks. ![]() |
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#2 |
Senior Member
![]() Join Date: Aug 2009
Location: San Leandro, Ca 94577
Posts: 854
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Re: 84 3/4 truck parts that are usable for a 66?
I am pretty sure that the 3/4 ton spindles are different, the steering box will work with an adaptor
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#3 |
Torn between 66 and 78
Join Date: May 2008
Location: So. Cal.
Posts: 253
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Re: 84 3/4 truck parts that are usable for a 66?
I have heard and read that we can use 73-87 lower control arms for disc brake swaps. If we can't use the spindles, which ones would you use than?
Last edited by CSoliz; 11-02-2009 at 10:50 PM. |
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#4 | |
Jonny
Join Date: Apr 2008
Location: Outside the Box, Austin,TX
Posts: 741
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Re: 84 3/4 truck parts that are usable for a 66?
Quote:
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1966 C30, Cummins, stacks, and a flat bed in progress... "Honor.....simply put, A veteran - whether active duty, retired, national guard or reserve is someone who, at one time in his life, wrote a blank check made payable to 'The United States of America', for an amount of 'up to and including his life.' That is Honor, and there are way too many people in this country who no longer understand it." -AEC Hundley USNR |
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#5 |
Torn between 66 and 78
Join Date: May 2008
Location: So. Cal.
Posts: 253
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Re: 84 3/4 truck parts that are usable for a 66?
It does. But, I thought I have read that the upper control arms are the same from 6x or so, thru 87??????
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#6 |
Torn between 66 and 78
Join Date: May 2008
Location: So. Cal.
Posts: 253
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Re: 84 3/4 truck parts that are usable for a 66?
OK, after reading a ton of threads (again), I think I have the front figured out the front disc swap for 6 lug discs. Hre is what I came up with.
66 1/2 ton UCA. Change LCA to 3/4 ton from the 84. Get Spindles, Calipers, Upper and Lower ball joints, Outer Tierods; 1 1/4" 6 lug rotors; all from 88 & up. Now, what parts do i need to upgrade to the power steering from the 84? Last edited by CSoliz; 11-03-2009 at 01:02 AM. |
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#7 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,977
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Re: 84 3/4 truck parts that are usable for a 66?
6X-72 have the threaded rubber-lined steel sleeve bushing. 73-87 have the press-fit rubber bushing (no steel sleeve). BJ's interchange on 6X-87 uppers so you just need the correct BJ for the spindle & it can be bolted on to any upper a-arm within those model years.
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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. Last edited by SCOTI; 11-03-2009 at 01:03 AM. |
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#8 | |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: 84 3/4 truck parts that are usable for a 66?
The 6 lug rotors you need are for the 7200GVW 2500 series. IIRC the '88 & '89 are one part number and the '90 + are a different number. The spindles can be the from 1500 with the 1.250 rotors or the 7200GVW 2500. You will need some different inner tierods also, the ES2020's
As for the steering box, I sell the adapter plates. See the link in my sig. Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#9 | ||
Torn between 66 and 78
Join Date: May 2008
Location: So. Cal.
Posts: 253
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Re: 84 3/4 truck parts that are usable for a 66?
Quote:
Quote:
Would it be wise just to take the whole steering assembly off the 84' or do I just need the pitman and idler arm? Or are they the same as the 66'? |
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#10 | |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: 84 3/4 truck parts that are usable for a 66?
Yes that is correct. The 7200GVW is the light duty 2500 series (3/4 ton) which have the 6 lug discs in a 2wd version
Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE Last edited by Captainfab; 11-04-2009 at 01:13 AM. |
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#11 |
Registered User
Join Date: Feb 2007
Location: Kansas
Posts: 148
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Re: 84 3/4 truck parts that are usable for a 66?
another option is you can remove the complete front crossmember from the frame as a complete assemby with suspension. and it will bolt right up under your pick up. then you have the complete new suspension and steering. you only have to mount the steering gear and idler arm to the frame. This is alot easier with the engine removed because the engine mounts are bolted to this crossmember also.
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#12 |
Torn between 66 and 78
Join Date: May 2008
Location: So. Cal.
Posts: 253
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Re: 84 3/4 truck parts that are usable for a 66?
ok, one more question. I have 63-72 3" lowering springs for the front. If I was to swap to the 3/4 front end, would I still be able to use these springs?
Thanks. |
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#13 | |
Registered User
Join Date: Nov 2009
Location: cremona alberta canada
Posts: 63
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Re: 84 3/4 truck parts that are usable for a 66?
Quote:
(62gmc910) I didn't notice that my son was signed in
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